/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-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 13:36:39,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 13:36:39,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 13:36:39,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 13:36:39,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 13:36:39,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 13:36:39,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 13:36:39,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 13:36:39,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 13:36:39,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 13:36:39,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 13:36:39,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 13:36:39,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 13:36:39,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 13:36:39,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 13:36:39,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 13:36:39,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 13:36:39,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 13:36:39,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 13:36:39,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 13:36:39,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 13:36:39,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 13:36:39,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 13:36:39,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 13:36:39,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-26 13:36:39,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-26 13:36:39,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-26 13:36:39,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-26 13:36:39,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-26 13:36:39,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-26 13:36:39,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 13:36:39,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 13:36:39,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 13:36:39,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 13:36:39,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 13:36:39,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 13:36:39,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 13:36:39,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 13:36:39,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 13:36:39,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 13:36:39,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 13:36:39,305 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 [2021-03-26 13:36:39,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 13:36:39,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 13:36:39,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 13:36:39,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 13:36:39,343 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 13:36:39,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 13:36:39,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 13:36:39,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 13:36:39,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 13:36:39,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 13:36:39,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 13:36:39,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 13:36:39,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 13:36:39,345 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 13:36:39,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 13:36:39,345 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 13:36:39,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 13:36:39,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 13:36:39,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 13:36:39,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 13:36:39,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 13:36:39,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 13:36:39,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 13:36:39,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 13:36:39,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 13:36:39,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 13:36:39,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 13:36:39,347 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 13:36:39,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 13:36:39,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 13:36:39,348 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 13:36:39,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 13:36:39,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 13:36:39,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 13:36:39,709 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 13:36:39,710 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 13:36:39,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl [2021-03-26 13:36:39,711 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl' [2021-03-26 13:36:39,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 13:36:39,745 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 13:36:39,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 13:36:39,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 13:36:39,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 13:36:39,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:39" (1/1) ... [2021-03-26 13:36:39,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:39" (1/1) ... [2021-03-26 13:36:39,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 13:36:39,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 13:36:39,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 13:36:39,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 13:36:39,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:39" (1/1) ... [2021-03-26 13:36:39,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:39" (1/1) ... [2021-03-26 13:36:39,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:39" (1/1) ... [2021-03-26 13:36:39,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:39" (1/1) ... [2021-03-26 13:36:39,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:39" (1/1) ... [2021-03-26 13:36:39,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:39" (1/1) ... [2021-03-26 13:36:39,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:39" (1/1) ... [2021-03-26 13:36:39,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 13:36:39,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 13:36:39,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 13:36:39,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 13:36:39,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:39" (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 [2021-03-26 13:36:39,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-26 13:36:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-26 13:36:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-26 13:36:39,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-26 13:36:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-26 13:36:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-26 13:36:39,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-26 13:36:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-26 13:36:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-26 13:36:39,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-26 13:36:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-26 13:36:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-26 13:36:39,864 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-26 13:36:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-26 13:36:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-26 13:36:39,864 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 13:36:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 13:36:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 13:36:39,865 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-03-26 13:36:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-03-26 13:36:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-03-26 13:36:39,866 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 13:36:40,025 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 13:36:40,025 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 13:36:40,027 INFO L202 PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:36:40 BoogieIcfgContainer [2021-03-26 13:36:40,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 13:36:40,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 13:36:40,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 13:36:40,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 13:36:40,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:36:39" (1/2) ... [2021-03-26 13:36:40,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561fd288 and model type example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 01:36:40, skipping insertion in model container [2021-03-26 13:36:40,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:36:40" (2/2) ... [2021-03-26 13:36:40,033 INFO L111 eAbstractionObserver]: Analyzing ICFG example_6.bpl [2021-03-26 13:36:40,054 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 13:36:40,058 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 13:36:40,058 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 13:36:40,189 INFO L149 ThreadInstanceAdder]: Constructed 36 joinOtherThreadTransitions. [2021-03-26 13:36:40,221 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-26 13:36:40,239 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 13:36:40,240 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 13:36:40,240 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 13:36:40,240 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 13:36:40,240 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 13:36:40,240 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 13:36:40,240 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 13:36:40,240 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 13:36:40,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 63 transitions, 264 flow [2021-03-26 13:36:40,312 INFO L129 PetriNetUnfolder]: 129/213 cut-off events. [2021-03-26 13:36:40,312 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-03-26 13:36:40,321 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. [2021-03-26 13:36:40,321 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 63 transitions, 264 flow [2021-03-26 13:36:40,327 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 55 transitions, 236 flow [2021-03-26 13:36:40,329 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:40,345 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 55 transitions, 236 flow [2021-03-26 13:36:40,347 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 55 transitions, 236 flow [2021-03-26 13:36:40,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 55 transitions, 236 flow [2021-03-26 13:36:40,378 INFO L129 PetriNetUnfolder]: 129/211 cut-off events. [2021-03-26 13:36:40,379 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-03-26 13:36:40,380 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. [2021-03-26 13:36:40,385 INFO L142 LiptonReduction]: Number of co-enabled transitions 780 [2021-03-26 13:36:40,459 INFO L154 LiptonReduction]: Checked pairs total: 225 [2021-03-26 13:36:40,459 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 13:36:40,461 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 133 [2021-03-26 13:36:40,489 INFO L129 PetriNetUnfolder]: 129/204 cut-off events. [2021-03-26 13:36:40,489 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-03-26 13:36:40,490 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:40,490 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:40,491 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]=== [2021-03-26 13:36:40,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:40,495 INFO L82 PathProgramCache]: Analyzing trace with hash -620648734, now seen corresponding path program 1 times [2021-03-26 13:36:40,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:40,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421642185] [2021-03-26 13:36:40,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:40,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:36:40,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:40,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421642185] [2021-03-26 13:36:40,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:40,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:36:40,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63563829] [2021-03-26 13:36:40,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:36:40,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:40,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:36:40,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:36:40,637 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-03-26 13:36:40,639 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) [2021-03-26 13:36:40,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:40,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-03-26 13:36:40,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:40,666 INFO L129 PetriNetUnfolder]: 49/94 cut-off events. [2021-03-26 13:36:40,667 INFO L130 PetriNetUnfolder]: For 177/177 co-relation queries the response was YES. [2021-03-26 13:36:40,667 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. [2021-03-26 13:36:40,669 INFO L132 encePairwiseOnDemand]: 63/69 looper letters, 1 selfloop transitions, 1 changer transitions 0/39 dead transitions. [2021-03-26 13:36:40,669 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 39 transitions, 178 flow [2021-03-26 13:36:40,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:36:40,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:36:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions. [2021-03-26 13:36:40,679 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9323671497584541 [2021-03-26 13:36:40,680 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 193 transitions. [2021-03-26 13:36:40,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 193 transitions. [2021-03-26 13:36:40,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:40,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 193 transitions. [2021-03-26 13:36:40,686 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) [2021-03-26 13:36:40,690 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) [2021-03-26 13:36:40,690 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) [2021-03-26 13:36:40,692 INFO L185 Difference]: Start difference. First operand has 38 places, 49 transitions, 224 flow. Second operand 3 states and 193 transitions. [2021-03-26 13:36:40,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 39 transitions, 178 flow [2021-03-26 13:36:40,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 39 transitions, 114 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-03-26 13:36:40,698 INFO L241 Difference]: Finished difference. Result has 28 places, 39 transitions, 112 flow [2021-03-26 13:36:40,699 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} [2021-03-26 13:36:40,700 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -10 predicate places. [2021-03-26 13:36:40,700 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:40,700 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 39 transitions, 112 flow [2021-03-26 13:36:40,701 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 39 transitions, 112 flow [2021-03-26 13:36:40,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 39 transitions, 112 flow [2021-03-26 13:36:40,708 INFO L129 PetriNetUnfolder]: 49/94 cut-off events. [2021-03-26 13:36:40,709 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:36:40,709 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. [2021-03-26 13:36:40,710 INFO L142 LiptonReduction]: Number of co-enabled transitions 270 [2021-03-26 13:36:40,713 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:40,714 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:40,714 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 13:36:40,715 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 39 transitions, 112 flow [2021-03-26 13:36:40,715 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) [2021-03-26 13:36:40,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:40,716 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:40,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 13:36:40,716 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]=== [2021-03-26 13:36:40,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:40,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1690452846, now seen corresponding path program 1 times [2021-03-26 13:36:40,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:40,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105064383] [2021-03-26 13:36:40,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:40,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:36:40,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:40,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105064383] [2021-03-26 13:36:40,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:40,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:36:40,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263972635] [2021-03-26 13:36:40,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:36:40,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:40,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:36:40,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:36:40,743 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-03-26 13:36:40,744 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) [2021-03-26 13:36:40,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:40,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-03-26 13:36:40,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:40,757 INFO L129 PetriNetUnfolder]: 33/73 cut-off events. [2021-03-26 13:36:40,757 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 13:36:40,757 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. [2021-03-26 13:36:40,758 INFO L132 encePairwiseOnDemand]: 66/69 looper letters, 3 selfloop transitions, 1 changer transitions 0/37 dead transitions. [2021-03-26 13:36:40,758 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 37 transitions, 114 flow [2021-03-26 13:36:40,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:36:40,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:36:40,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-03-26 13:36:40,760 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-03-26 13:36:40,760 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-03-26 13:36:40,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-03-26 13:36:40,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:40,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-03-26 13:36:40,762 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) [2021-03-26 13:36:40,763 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) [2021-03-26 13:36:40,763 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) [2021-03-26 13:36:40,763 INFO L185 Difference]: Start difference. First operand has 28 places, 39 transitions, 112 flow. Second operand 3 states and 192 transitions. [2021-03-26 13:36:40,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 37 transitions, 114 flow [2021-03-26 13:36:40,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 37 transitions, 113 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:40,765 INFO L241 Difference]: Finished difference. Result has 29 places, 37 transitions, 107 flow [2021-03-26 13:36:40,765 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} [2021-03-26 13:36:40,766 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -9 predicate places. [2021-03-26 13:36:40,766 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:40,766 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 37 transitions, 107 flow [2021-03-26 13:36:40,766 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 37 transitions, 107 flow [2021-03-26 13:36:40,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 37 transitions, 107 flow [2021-03-26 13:36:40,772 INFO L129 PetriNetUnfolder]: 33/73 cut-off events. [2021-03-26 13:36:40,772 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:36:40,772 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. [2021-03-26 13:36:40,773 INFO L142 LiptonReduction]: Number of co-enabled transitions 250 [2021-03-26 13:36:40,776 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:40,776 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:40,776 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 13:36:40,777 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 37 transitions, 107 flow [2021-03-26 13:36:40,777 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) [2021-03-26 13:36:40,777 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:40,778 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:40,778 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 13:36:40,778 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]=== [2021-03-26 13:36:40,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:40,778 INFO L82 PathProgramCache]: Analyzing trace with hash 352539060, now seen corresponding path program 1 times [2021-03-26 13:36:40,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:40,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692239391] [2021-03-26 13:36:40,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:40,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:36:40,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:40,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692239391] [2021-03-26 13:36:40,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:40,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:36:40,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109020282] [2021-03-26 13:36:40,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:36:40,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:40,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:36:40,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:36:40,801 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-03-26 13:36:40,801 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) [2021-03-26 13:36:40,801 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:40,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-03-26 13:36:40,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:40,811 INFO L129 PetriNetUnfolder]: 12/42 cut-off events. [2021-03-26 13:36:40,811 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-26 13:36:40,812 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. [2021-03-26 13:36:40,812 INFO L132 encePairwiseOnDemand]: 65/69 looper letters, 2 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2021-03-26 13:36:40,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 34 transitions, 104 flow [2021-03-26 13:36:40,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:36:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:36:40,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-03-26 13:36:40,814 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-03-26 13:36:40,814 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-03-26 13:36:40,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-03-26 13:36:40,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:40,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-03-26 13:36:40,815 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) [2021-03-26 13:36:40,816 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) [2021-03-26 13:36:40,816 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) [2021-03-26 13:36:40,816 INFO L185 Difference]: Start difference. First operand has 29 places, 37 transitions, 107 flow. Second operand 3 states and 192 transitions. [2021-03-26 13:36:40,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 34 transitions, 104 flow [2021-03-26 13:36:40,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 34 transitions, 103 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:40,818 INFO L241 Difference]: Finished difference. Result has 30 places, 34 transitions, 99 flow [2021-03-26 13:36:40,818 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} [2021-03-26 13:36:40,818 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -8 predicate places. [2021-03-26 13:36:40,818 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:40,819 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 34 transitions, 99 flow [2021-03-26 13:36:40,819 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 34 transitions, 99 flow [2021-03-26 13:36:40,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 34 transitions, 99 flow [2021-03-26 13:36:40,823 INFO L129 PetriNetUnfolder]: 12/42 cut-off events. [2021-03-26 13:36:40,823 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:36:40,823 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. [2021-03-26 13:36:40,824 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-26 13:36:40,826 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:40,826 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:40,826 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-26 13:36:40,827 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 34 transitions, 99 flow [2021-03-26 13:36:40,828 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) [2021-03-26 13:36:40,828 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:40,828 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:40,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 13:36:40,828 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]=== [2021-03-26 13:36:40,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:40,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1582961168, now seen corresponding path program 1 times [2021-03-26 13:36:40,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:40,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033473647] [2021-03-26 13:36:40,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:40,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:36:40,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:40,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033473647] [2021-03-26 13:36:40,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:40,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:36:40,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768806847] [2021-03-26 13:36:40,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:36:40,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:40,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:36:40,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:36:40,851 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-03-26 13:36:40,851 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) [2021-03-26 13:36:40,851 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:40,851 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-03-26 13:36:40,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:40,859 INFO L129 PetriNetUnfolder]: 1/21 cut-off events. [2021-03-26 13:36:40,859 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 13:36:40,860 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. [2021-03-26 13:36:40,860 INFO L132 encePairwiseOnDemand]: 64/69 looper letters, 1 selfloop transitions, 1 changer transitions 0/21 dead transitions. [2021-03-26 13:36:40,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 21 transitions, 64 flow [2021-03-26 13:36:40,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:36:40,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:36:40,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-03-26 13:36:40,861 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-03-26 13:36:40,861 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-03-26 13:36:40,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-03-26 13:36:40,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:40,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-03-26 13:36:40,863 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) [2021-03-26 13:36:40,863 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) [2021-03-26 13:36:40,864 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) [2021-03-26 13:36:40,864 INFO L185 Difference]: Start difference. First operand has 30 places, 34 transitions, 99 flow. Second operand 3 states and 192 transitions. [2021-03-26 13:36:40,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 21 transitions, 64 flow [2021-03-26 13:36:40,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 21 transitions, 63 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:40,865 INFO L241 Difference]: Finished difference. Result has 31 places, 21 transitions, 61 flow [2021-03-26 13:36:40,865 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} [2021-03-26 13:36:40,865 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -7 predicate places. [2021-03-26 13:36:40,866 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:40,866 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 21 transitions, 61 flow [2021-03-26 13:36:40,866 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 21 transitions, 61 flow [2021-03-26 13:36:40,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 21 transitions, 61 flow [2021-03-26 13:36:40,869 INFO L129 PetriNetUnfolder]: 1/21 cut-off events. [2021-03-26 13:36:40,869 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:36:40,869 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. [2021-03-26 13:36:40,870 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-26 13:36:40,871 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:40,871 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:40,871 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-26 13:36:40,872 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 21 transitions, 61 flow [2021-03-26 13:36:40,872 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) [2021-03-26 13:36:40,872 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:40,873 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:40,873 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 13:36:40,873 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]=== [2021-03-26 13:36:40,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:40,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1170099768, now seen corresponding path program 1 times [2021-03-26 13:36:40,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:40,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927898487] [2021-03-26 13:36:40,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:40,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:40,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:40,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:40,952 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:40,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:40,966 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:40,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:40,992 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:40,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:41,028 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:41,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:41,083 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:41,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:41,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:41,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927898487] [2021-03-26 13:36:41,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:41,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:41,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124370710] [2021-03-26 13:36:41,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:41,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:41,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:41,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:41,116 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:41,117 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) [2021-03-26 13:36:41,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:41,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:41,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:41,234 INFO L129 PetriNetUnfolder]: 159/327 cut-off events. [2021-03-26 13:36:41,235 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:36:41,236 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. [2021-03-26 13:36:41,238 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 20 selfloop transitions, 6 changer transitions 0/40 dead transitions. [2021-03-26 13:36:41,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 40 transitions, 151 flow [2021-03-26 13:36:41,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:41,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:41,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:41,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:41,240 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:41,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:41,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:41,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:41,242 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) [2021-03-26 13:36:41,243 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) [2021-03-26 13:36:41,244 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) [2021-03-26 13:36:41,244 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 61 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:41,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 40 transitions, 151 flow [2021-03-26 13:36:41,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 40 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:41,248 INFO L241 Difference]: Finished difference. Result has 43 places, 26 transitions, 105 flow [2021-03-26 13:36:41,249 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} [2021-03-26 13:36:41,249 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 5 predicate places. [2021-03-26 13:36:41,249 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:41,249 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 26 transitions, 105 flow [2021-03-26 13:36:41,249 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 26 transitions, 105 flow [2021-03-26 13:36:41,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 26 transitions, 105 flow [2021-03-26 13:36:41,258 INFO L129 PetriNetUnfolder]: 4/63 cut-off events. [2021-03-26 13:36:41,259 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-03-26 13:36:41,259 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. [2021-03-26 13:36:41,260 INFO L142 LiptonReduction]: Number of co-enabled transitions 152 [2021-03-26 13:36:41,261 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:41,261 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:41,261 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-26 13:36:41,264 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 26 transitions, 105 flow [2021-03-26 13:36:41,264 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) [2021-03-26 13:36:41,265 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:41,265 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:41,265 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 13:36:41,265 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]=== [2021-03-26 13:36:41,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:41,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1771331794, now seen corresponding path program 2 times [2021-03-26 13:36:41,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:41,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158993297] [2021-03-26 13:36:41,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:41,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:41,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:41,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:41,395 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:41,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:41,414 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:41,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:41,442 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:36:41,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:36:41,487 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:41,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:41,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158993297] [2021-03-26 13:36:41,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:41,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:41,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301083650] [2021-03-26 13:36:41,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:41,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:41,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:41,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:41,523 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:41,524 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) [2021-03-26 13:36:41,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:41,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:41,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:41,661 INFO L129 PetriNetUnfolder]: 203/536 cut-off events. [2021-03-26 13:36:41,661 INFO L130 PetriNetUnfolder]: For 411/424 co-relation queries the response was YES. [2021-03-26 13:36:41,663 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. [2021-03-26 13:36:41,666 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 23 selfloop transitions, 9 changer transitions 0/46 dead transitions. [2021-03-26 13:36:41,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 46 transitions, 256 flow [2021-03-26 13:36:41,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:41,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:41,669 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:41,669 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:41,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:41,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:41,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:41,671 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) [2021-03-26 13:36:41,672 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) [2021-03-26 13:36:41,673 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) [2021-03-26 13:36:41,673 INFO L185 Difference]: Start difference. First operand has 43 places, 26 transitions, 105 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:41,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 46 transitions, 256 flow [2021-03-26 13:36:41,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 250 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:41,678 INFO L241 Difference]: Finished difference. Result has 55 places, 32 transitions, 178 flow [2021-03-26 13:36:41,678 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} [2021-03-26 13:36:41,679 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 17 predicate places. [2021-03-26 13:36:41,679 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:41,679 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 32 transitions, 178 flow [2021-03-26 13:36:41,679 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 32 transitions, 178 flow [2021-03-26 13:36:41,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 32 transitions, 178 flow [2021-03-26 13:36:41,695 INFO L129 PetriNetUnfolder]: 10/146 cut-off events. [2021-03-26 13:36:41,695 INFO L130 PetriNetUnfolder]: For 104/104 co-relation queries the response was YES. [2021-03-26 13:36:41,696 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. [2021-03-26 13:36:41,697 INFO L142 LiptonReduction]: Number of co-enabled transitions 208 [2021-03-26 13:36:41,699 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:41,700 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:41,700 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-26 13:36:41,700 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 32 transitions, 178 flow [2021-03-26 13:36:41,701 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) [2021-03-26 13:36:41,701 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:41,701 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:41,701 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 13:36:41,701 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]=== [2021-03-26 13:36:41,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:41,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1945596050, now seen corresponding path program 3 times [2021-03-26 13:36:41,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:41,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669687673] [2021-03-26 13:36:41,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:41,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:41,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:41,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:41,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:41,801 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:41,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:41,814 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:41,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:41,833 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:36:41,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:36:41,858 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:41,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:41,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669687673] [2021-03-26 13:36:41,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:41,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:41,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901172879] [2021-03-26 13:36:41,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:41,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:41,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:41,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:41,882 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:41,882 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) [2021-03-26 13:36:41,882 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:41,882 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:41,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:42,014 INFO L129 PetriNetUnfolder]: 225/740 cut-off events. [2021-03-26 13:36:42,015 INFO L130 PetriNetUnfolder]: For 1512/1550 co-relation queries the response was YES. [2021-03-26 13:36:42,018 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. [2021-03-26 13:36:42,021 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 38 selfloop transitions, 15 changer transitions 0/67 dead transitions. [2021-03-26 13:36:42,022 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 67 transitions, 536 flow [2021-03-26 13:36:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:42,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:42,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:42,023 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:42,024 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:42,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:42,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:42,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:42,025 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) [2021-03-26 13:36:42,026 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) [2021-03-26 13:36:42,026 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) [2021-03-26 13:36:42,026 INFO L185 Difference]: Start difference. First operand has 55 places, 32 transitions, 178 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:42,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 67 transitions, 536 flow [2021-03-26 13:36:42,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 67 transitions, 518 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:42,031 INFO L241 Difference]: Finished difference. Result has 67 places, 44 transitions, 343 flow [2021-03-26 13:36:42,031 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} [2021-03-26 13:36:42,031 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 29 predicate places. [2021-03-26 13:36:42,032 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:42,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 44 transitions, 343 flow [2021-03-26 13:36:42,032 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 44 transitions, 343 flow [2021-03-26 13:36:42,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 44 transitions, 343 flow [2021-03-26 13:36:42,058 INFO L129 PetriNetUnfolder]: 23/312 cut-off events. [2021-03-26 13:36:42,058 INFO L130 PetriNetUnfolder]: For 492/506 co-relation queries the response was YES. [2021-03-26 13:36:42,059 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. [2021-03-26 13:36:42,062 INFO L142 LiptonReduction]: Number of co-enabled transitions 308 [2021-03-26 13:36:42,065 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:42,065 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:42,065 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-26 13:36:42,066 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 44 transitions, 343 flow [2021-03-26 13:36:42,066 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) [2021-03-26 13:36:42,066 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:42,066 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:42,066 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 13:36:42,067 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]=== [2021-03-26 13:36:42,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:42,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1450839060, now seen corresponding path program 4 times [2021-03-26 13:36:42,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:42,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239454687] [2021-03-26 13:36:42,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:42,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:42,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:42,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:42,101 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:42,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:42,114 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:42,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:42,169 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:42,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:42,195 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:42,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:42,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239454687] [2021-03-26 13:36:42,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:42,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:42,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298262419] [2021-03-26 13:36:42,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:42,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:42,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:42,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:42,220 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:42,221 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) [2021-03-26 13:36:42,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:42,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:42,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:42,416 INFO L129 PetriNetUnfolder]: 273/1086 cut-off events. [2021-03-26 13:36:42,416 INFO L130 PetriNetUnfolder]: For 3716/3756 co-relation queries the response was YES. [2021-03-26 13:36:42,422 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. [2021-03-26 13:36:42,427 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 48 selfloop transitions, 23 changer transitions 0/85 dead transitions. [2021-03-26 13:36:42,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 85 transitions, 890 flow [2021-03-26 13:36:42,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:42,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:42,429 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:42,429 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:42,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:42,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:42,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:42,430 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) [2021-03-26 13:36:42,431 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) [2021-03-26 13:36:42,431 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) [2021-03-26 13:36:42,431 INFO L185 Difference]: Start difference. First operand has 67 places, 44 transitions, 343 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:42,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 85 transitions, 890 flow [2021-03-26 13:36:42,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 85 transitions, 878 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:42,441 INFO L241 Difference]: Finished difference. Result has 79 places, 62 transitions, 649 flow [2021-03-26 13:36:42,442 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} [2021-03-26 13:36:42,442 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 41 predicate places. [2021-03-26 13:36:42,442 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:42,442 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 62 transitions, 649 flow [2021-03-26 13:36:42,442 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 62 transitions, 649 flow [2021-03-26 13:36:42,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 62 transitions, 649 flow [2021-03-26 13:36:42,496 INFO L129 PetriNetUnfolder]: 39/520 cut-off events. [2021-03-26 13:36:42,496 INFO L130 PetriNetUnfolder]: For 1565/1595 co-relation queries the response was YES. [2021-03-26 13:36:42,498 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. [2021-03-26 13:36:42,503 INFO L142 LiptonReduction]: Number of co-enabled transitions 434 [2021-03-26 13:36:42,509 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:42,509 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:42,510 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-03-26 13:36:42,510 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 62 transitions, 649 flow [2021-03-26 13:36:42,511 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) [2021-03-26 13:36:42,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:42,511 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:42,512 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 13:36:42,512 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]=== [2021-03-26 13:36:42,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:42,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1462267974, now seen corresponding path program 5 times [2021-03-26 13:36:42,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:42,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688388045] [2021-03-26 13:36:42,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:42,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:42,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:42,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:42,550 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:42,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:42,561 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:42,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:42,578 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:36:42,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:36:42,607 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:42,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:42,629 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:42,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:42,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688388045] [2021-03-26 13:36:42,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:42,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:42,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882150655] [2021-03-26 13:36:42,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:42,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:42,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:42,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:42,658 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:42,659 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) [2021-03-26 13:36:42,659 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:42,659 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:42,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:42,917 INFO L129 PetriNetUnfolder]: 303/1228 cut-off events. [2021-03-26 13:36:42,917 INFO L130 PetriNetUnfolder]: For 6322/6386 co-relation queries the response was YES. [2021-03-26 13:36:42,925 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. [2021-03-26 13:36:42,932 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 43 selfloop transitions, 33 changer transitions 0/90 dead transitions. [2021-03-26 13:36:42,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 90 transitions, 1114 flow [2021-03-26 13:36:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:42,935 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:42,935 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:42,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:42,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:42,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:42,936 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) [2021-03-26 13:36:42,939 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) [2021-03-26 13:36:42,939 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) [2021-03-26 13:36:42,940 INFO L185 Difference]: Start difference. First operand has 79 places, 62 transitions, 649 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:42,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 90 transitions, 1114 flow [2021-03-26 13:36:42,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 90 transitions, 1092 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:42,959 INFO L241 Difference]: Finished difference. Result has 91 places, 75 transitions, 932 flow [2021-03-26 13:36:42,960 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} [2021-03-26 13:36:42,960 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 53 predicate places. [2021-03-26 13:36:42,960 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:42,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 75 transitions, 932 flow [2021-03-26 13:36:42,961 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 75 transitions, 932 flow [2021-03-26 13:36:42,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 75 transitions, 932 flow [2021-03-26 13:36:43,029 INFO L129 PetriNetUnfolder]: 40/583 cut-off events. [2021-03-26 13:36:43,029 INFO L130 PetriNetUnfolder]: For 2681/2815 co-relation queries the response was YES. [2021-03-26 13:36:43,033 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. [2021-03-26 13:36:43,040 INFO L142 LiptonReduction]: Number of co-enabled transitions 544 [2021-03-26 13:36:43,049 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:43,049 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:43,049 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 89 [2021-03-26 13:36:43,050 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 75 transitions, 932 flow [2021-03-26 13:36:43,050 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) [2021-03-26 13:36:43,050 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:43,050 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:43,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 13:36:43,050 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]=== [2021-03-26 13:36:43,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:43,051 INFO L82 PathProgramCache]: Analyzing trace with hash 135383418, now seen corresponding path program 6 times [2021-03-26 13:36:43,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:43,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613614356] [2021-03-26 13:36:43,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:43,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:43,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:43,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:43,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:36:43,124 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:36:43,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:36:43,161 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:43,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:43,186 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:43,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:43,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:43,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613614356] [2021-03-26 13:36:43,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:43,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:43,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151117131] [2021-03-26 13:36:43,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:43,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:43,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:43,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:43,212 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:43,213 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) [2021-03-26 13:36:43,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:43,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:43,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:43,463 INFO L129 PetriNetUnfolder]: 280/1316 cut-off events. [2021-03-26 13:36:43,464 INFO L130 PetriNetUnfolder]: For 10146/10202 co-relation queries the response was YES. [2021-03-26 13:36:43,472 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. [2021-03-26 13:36:43,479 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 57 selfloop transitions, 35 changer transitions 1/107 dead transitions. [2021-03-26 13:36:43,479 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 107 transitions, 1541 flow [2021-03-26 13:36:43,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:43,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:43,481 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:43,481 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:43,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:43,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:43,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:43,483 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) [2021-03-26 13:36:43,484 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) [2021-03-26 13:36:43,484 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) [2021-03-26 13:36:43,484 INFO L185 Difference]: Start difference. First operand has 91 places, 75 transitions, 932 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:43,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 107 transitions, 1541 flow [2021-03-26 13:36:43,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 107 transitions, 1452 flow, removed 30 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:43,511 INFO L241 Difference]: Finished difference. Result has 103 places, 83 transitions, 1102 flow [2021-03-26 13:36:43,512 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} [2021-03-26 13:36:43,512 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 65 predicate places. [2021-03-26 13:36:43,512 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:43,512 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 83 transitions, 1102 flow [2021-03-26 13:36:43,513 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 83 transitions, 1102 flow [2021-03-26 13:36:43,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 83 transitions, 1102 flow [2021-03-26 13:36:43,607 INFO L129 PetriNetUnfolder]: 43/735 cut-off events. [2021-03-26 13:36:43,607 INFO L130 PetriNetUnfolder]: For 4479/4725 co-relation queries the response was YES. [2021-03-26 13:36:43,611 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. [2021-03-26 13:36:43,619 INFO L142 LiptonReduction]: Number of co-enabled transitions 634 [2021-03-26 13:36:43,628 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:43,628 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:43,629 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 117 [2021-03-26 13:36:43,629 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 83 transitions, 1102 flow [2021-03-26 13:36:43,629 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) [2021-03-26 13:36:43,629 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:43,629 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:43,629 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 13:36:43,630 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]=== [2021-03-26 13:36:43,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:43,630 INFO L82 PathProgramCache]: Analyzing trace with hash -109852654, now seen corresponding path program 7 times [2021-03-26 13:36:43,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:43,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933950646] [2021-03-26 13:36:43,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:43,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:43,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:43,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:43,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:43,690 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:43,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:43,704 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:43,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:43,725 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:36:43,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:36:43,751 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:43,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:43,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933950646] [2021-03-26 13:36:43,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:43,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:43,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724018084] [2021-03-26 13:36:43,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:43,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:43,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:43,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:43,776 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:43,777 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) [2021-03-26 13:36:43,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:43,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:43,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:44,027 INFO L129 PetriNetUnfolder]: 271/1471 cut-off events. [2021-03-26 13:36:44,027 INFO L130 PetriNetUnfolder]: For 14290/14409 co-relation queries the response was YES. [2021-03-26 13:36:44,038 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. [2021-03-26 13:36:44,047 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 71 selfloop transitions, 41 changer transitions 0/126 dead transitions. [2021-03-26 13:36:44,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 126 transitions, 1942 flow [2021-03-26 13:36:44,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:44,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:44,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:44,049 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:44,050 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:44,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:44,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:44,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:44,051 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) [2021-03-26 13:36:44,052 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) [2021-03-26 13:36:44,052 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) [2021-03-26 13:36:44,052 INFO L185 Difference]: Start difference. First operand has 102 places, 83 transitions, 1102 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:44,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 126 transitions, 1942 flow [2021-03-26 13:36:44,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 126 transitions, 1876 flow, removed 23 selfloop flow, removed 2 redundant places. [2021-03-26 13:36:44,099 INFO L241 Difference]: Finished difference. Result has 113 places, 98 transitions, 1454 flow [2021-03-26 13:36:44,099 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} [2021-03-26 13:36:44,099 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 75 predicate places. [2021-03-26 13:36:44,099 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:44,100 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 98 transitions, 1454 flow [2021-03-26 13:36:44,100 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 98 transitions, 1454 flow [2021-03-26 13:36:44,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 98 transitions, 1454 flow [2021-03-26 13:36:44,210 INFO L129 PetriNetUnfolder]: 61/947 cut-off events. [2021-03-26 13:36:44,210 INFO L130 PetriNetUnfolder]: For 7103/7331 co-relation queries the response was YES. [2021-03-26 13:36:44,217 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. [2021-03-26 13:36:44,228 INFO L142 LiptonReduction]: Number of co-enabled transitions 744 [2021-03-26 13:36:44,242 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:44,242 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:44,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 143 [2021-03-26 13:36:44,245 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 98 transitions, 1454 flow [2021-03-26 13:36:44,245 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) [2021-03-26 13:36:44,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:44,245 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:44,245 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 13:36:44,245 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]=== [2021-03-26 13:36:44,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:44,246 INFO L82 PathProgramCache]: Analyzing trace with hash 432502018, now seen corresponding path program 8 times [2021-03-26 13:36:44,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:44,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103712007] [2021-03-26 13:36:44,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:44,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:44,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:44,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:44,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:36:44,317 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:44,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:44,336 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:44,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:44,361 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:44,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:44,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103712007] [2021-03-26 13:36:44,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:44,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:44,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442445241] [2021-03-26 13:36:44,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:44,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:44,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:44,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:44,386 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:44,386 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) [2021-03-26 13:36:44,386 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:44,386 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:44,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:44,709 INFO L129 PetriNetUnfolder]: 267/1513 cut-off events. [2021-03-26 13:36:44,709 INFO L130 PetriNetUnfolder]: For 17718/17856 co-relation queries the response was YES. [2021-03-26 13:36:44,722 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. [2021-03-26 13:36:44,730 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 77 selfloop transitions, 47 changer transitions 0/138 dead transitions. [2021-03-26 13:36:44,730 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 138 transitions, 2346 flow [2021-03-26 13:36:44,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:44,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:44,732 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:44,732 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:44,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:44,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:44,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:44,734 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) [2021-03-26 13:36:44,735 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) [2021-03-26 13:36:44,735 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) [2021-03-26 13:36:44,735 INFO L185 Difference]: Start difference. First operand has 113 places, 98 transitions, 1454 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:44,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 138 transitions, 2346 flow [2021-03-26 13:36:44,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 138 transitions, 2264 flow, removed 31 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:44,793 INFO L241 Difference]: Finished difference. Result has 125 places, 111 transitions, 1792 flow [2021-03-26 13:36:44,793 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} [2021-03-26 13:36:44,794 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 87 predicate places. [2021-03-26 13:36:44,794 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:44,794 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 111 transitions, 1792 flow [2021-03-26 13:36:44,794 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 111 transitions, 1792 flow [2021-03-26 13:36:44,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 111 transitions, 1792 flow [2021-03-26 13:36:44,918 INFO L129 PetriNetUnfolder]: 67/1017 cut-off events. [2021-03-26 13:36:44,918 INFO L130 PetriNetUnfolder]: For 10343/10715 co-relation queries the response was YES. [2021-03-26 13:36:44,927 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. [2021-03-26 13:36:44,942 INFO L142 LiptonReduction]: Number of co-enabled transitions 846 [2021-03-26 13:36:44,960 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:44,960 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:44,961 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 167 [2021-03-26 13:36:44,961 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 111 transitions, 1792 flow [2021-03-26 13:36:44,961 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) [2021-03-26 13:36:44,961 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:44,962 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:44,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 13:36:44,962 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]=== [2021-03-26 13:36:44,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:44,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1732370938, now seen corresponding path program 9 times [2021-03-26 13:36:44,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:44,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183248752] [2021-03-26 13:36:44,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:44,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:44,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:44,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:45,000 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:45,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:45,011 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:45,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:45,029 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:45,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:45,049 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:36:45,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:36:45,077 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:45,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:45,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183248752] [2021-03-26 13:36:45,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:45,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:45,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762483834] [2021-03-26 13:36:45,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:45,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:45,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:45,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:45,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:45,103 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) [2021-03-26 13:36:45,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:45,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:45,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:45,456 INFO L129 PetriNetUnfolder]: 282/1594 cut-off events. [2021-03-26 13:36:45,456 INFO L130 PetriNetUnfolder]: For 22109/22303 co-relation queries the response was YES. [2021-03-26 13:36:45,471 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. [2021-03-26 13:36:45,482 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 69 selfloop transitions, 61 changer transitions 1/145 dead transitions. [2021-03-26 13:36:45,482 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 145 transitions, 2670 flow [2021-03-26 13:36:45,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:45,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:45,484 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:45,484 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:45,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:45,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:45,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:45,486 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) [2021-03-26 13:36:45,487 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) [2021-03-26 13:36:45,487 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) [2021-03-26 13:36:45,487 INFO L185 Difference]: Start difference. First operand has 125 places, 111 transitions, 1792 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:45,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 145 transitions, 2670 flow [2021-03-26 13:36:45,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 145 transitions, 2558 flow, removed 46 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:45,540 INFO L241 Difference]: Finished difference. Result has 137 places, 121 transitions, 2142 flow [2021-03-26 13:36:45,540 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} [2021-03-26 13:36:45,541 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 99 predicate places. [2021-03-26 13:36:45,541 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:45,541 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 121 transitions, 2142 flow [2021-03-26 13:36:45,541 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 121 transitions, 2142 flow [2021-03-26 13:36:45,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 137 places, 121 transitions, 2142 flow [2021-03-26 13:36:45,674 INFO L129 PetriNetUnfolder]: 67/1029 cut-off events. [2021-03-26 13:36:45,674 INFO L130 PetriNetUnfolder]: For 13049/13674 co-relation queries the response was YES. [2021-03-26 13:36:45,683 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. [2021-03-26 13:36:45,696 INFO L142 LiptonReduction]: Number of co-enabled transitions 962 [2021-03-26 13:36:45,715 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:45,715 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:45,715 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 174 [2021-03-26 13:36:45,716 INFO L480 AbstractCegarLoop]: Abstraction has has 137 places, 121 transitions, 2142 flow [2021-03-26 13:36:45,716 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) [2021-03-26 13:36:45,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:45,716 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:45,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 13:36:45,717 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]=== [2021-03-26 13:36:45,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:45,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1473148824, now seen corresponding path program 10 times [2021-03-26 13:36:45,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:45,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994247550] [2021-03-26 13:36:45,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:45,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:45,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:45,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:45,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:45,756 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:45,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:45,771 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:45,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:45,796 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:45,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:45,822 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:45,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:45,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:45,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994247550] [2021-03-26 13:36:45,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:45,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:45,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153343866] [2021-03-26 13:36:45,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:45,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:45,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:45,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:45,848 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:45,849 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) [2021-03-26 13:36:45,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:45,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:45,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:46,252 INFO L129 PetriNetUnfolder]: 279/1628 cut-off events. [2021-03-26 13:36:46,252 INFO L130 PetriNetUnfolder]: For 27703/27951 co-relation queries the response was YES. [2021-03-26 13:36:46,269 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. [2021-03-26 13:36:46,283 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 82 selfloop transitions, 56 changer transitions 0/152 dead transitions. [2021-03-26 13:36:46,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 152 transitions, 3042 flow [2021-03-26 13:36:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:46,285 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:46,285 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:46,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:46,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:46,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:46,288 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) [2021-03-26 13:36:46,289 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) [2021-03-26 13:36:46,289 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) [2021-03-26 13:36:46,289 INFO L185 Difference]: Start difference. First operand has 137 places, 121 transitions, 2142 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:46,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 152 transitions, 3042 flow [2021-03-26 13:36:46,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 152 transitions, 2942 flow, removed 40 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:46,374 INFO L241 Difference]: Finished difference. Result has 148 places, 137 transitions, 2606 flow [2021-03-26 13:36:46,374 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} [2021-03-26 13:36:46,374 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 110 predicate places. [2021-03-26 13:36:46,374 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:46,374 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 137 transitions, 2606 flow [2021-03-26 13:36:46,375 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 137 transitions, 2606 flow [2021-03-26 13:36:46,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 137 transitions, 2606 flow [2021-03-26 13:36:46,541 INFO L129 PetriNetUnfolder]: 70/1079 cut-off events. [2021-03-26 13:36:46,541 INFO L130 PetriNetUnfolder]: For 16203/16787 co-relation queries the response was YES. [2021-03-26 13:36:46,552 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. [2021-03-26 13:36:46,569 INFO L142 LiptonReduction]: Number of co-enabled transitions 1066 [2021-03-26 13:36:46,578 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:46,579 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:46,579 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 205 [2021-03-26 13:36:46,580 INFO L480 AbstractCegarLoop]: Abstraction has has 148 places, 137 transitions, 2606 flow [2021-03-26 13:36:46,580 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) [2021-03-26 13:36:46,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:46,580 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:46,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 13:36:46,581 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]=== [2021-03-26 13:36:46,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:46,581 INFO L82 PathProgramCache]: Analyzing trace with hash 384916286, now seen corresponding path program 11 times [2021-03-26 13:36:46,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:46,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724342601] [2021-03-26 13:36:46,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:46,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:46,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:46,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:46,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:46,621 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:46,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:46,631 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:46,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:46,650 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:46,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:46,673 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:36:46,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:36:46,701 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:46,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:46,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724342601] [2021-03-26 13:36:46,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:46,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:46,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005115795] [2021-03-26 13:36:46,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:46,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:46,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:46,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:46,727 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:46,728 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) [2021-03-26 13:36:46,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:46,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:46,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:47,061 INFO L129 PetriNetUnfolder]: 279/1646 cut-off events. [2021-03-26 13:36:47,061 INFO L130 PetriNetUnfolder]: For 31131/31379 co-relation queries the response was YES. [2021-03-26 13:36:47,079 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. [2021-03-26 13:36:47,087 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 58 selfloop transitions, 84 changer transitions 1/157 dead transitions. [2021-03-26 13:36:47,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 157 transitions, 3298 flow [2021-03-26 13:36:47,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:47,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:47,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:47,089 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:47,090 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:47,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:47,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:47,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:47,091 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) [2021-03-26 13:36:47,092 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) [2021-03-26 13:36:47,092 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) [2021-03-26 13:36:47,093 INFO L185 Difference]: Start difference. First operand has 148 places, 137 transitions, 2606 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:47,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 157 transitions, 3298 flow [2021-03-26 13:36:47,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 157 transitions, 3178 flow, removed 32 selfloop flow, removed 2 redundant places. [2021-03-26 13:36:47,202 INFO L241 Difference]: Finished difference. Result has 158 places, 143 transitions, 2896 flow [2021-03-26 13:36:47,202 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} [2021-03-26 13:36:47,203 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 120 predicate places. [2021-03-26 13:36:47,203 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:47,203 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 143 transitions, 2896 flow [2021-03-26 13:36:47,203 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 143 transitions, 2896 flow [2021-03-26 13:36:47,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 158 places, 143 transitions, 2896 flow [2021-03-26 13:36:47,376 INFO L129 PetriNetUnfolder]: 70/1097 cut-off events. [2021-03-26 13:36:47,376 INFO L130 PetriNetUnfolder]: For 18876/19841 co-relation queries the response was YES. [2021-03-26 13:36:47,389 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. [2021-03-26 13:36:47,406 INFO L142 LiptonReduction]: Number of co-enabled transitions 1122 [2021-03-26 13:36:47,417 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:47,418 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:47,418 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 215 [2021-03-26 13:36:47,418 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 143 transitions, 2896 flow [2021-03-26 13:36:47,419 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) [2021-03-26 13:36:47,419 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:47,419 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:47,419 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 13:36:47,419 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]=== [2021-03-26 13:36:47,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:47,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1925717138, now seen corresponding path program 12 times [2021-03-26 13:36:47,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:47,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868664680] [2021-03-26 13:36:47,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:47,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:47,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:47,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:47,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:47,444 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:47,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:47,455 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:47,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:47,470 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:47,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:47,490 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:36:47,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:36:47,516 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:47,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:47,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:47,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868664680] [2021-03-26 13:36:47,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:47,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:47,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204338475] [2021-03-26 13:36:47,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:47,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:47,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:47,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:47,544 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:47,544 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) [2021-03-26 13:36:47,544 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:47,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:47,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:47,888 INFO L129 PetriNetUnfolder]: 279/1645 cut-off events. [2021-03-26 13:36:47,888 INFO L130 PetriNetUnfolder]: For 34910/35158 co-relation queries the response was YES. [2021-03-26 13:36:47,908 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. [2021-03-26 13:36:47,917 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 64 selfloop transitions, 81 changer transitions 1/160 dead transitions. [2021-03-26 13:36:47,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 160 transitions, 3552 flow [2021-03-26 13:36:47,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:47,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:47,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:47,921 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:47,921 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:47,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:47,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:47,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:47,923 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) [2021-03-26 13:36:47,924 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) [2021-03-26 13:36:47,925 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) [2021-03-26 13:36:47,925 INFO L185 Difference]: Start difference. First operand has 158 places, 143 transitions, 2896 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:47,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 160 transitions, 3552 flow [2021-03-26 13:36:48,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 160 transitions, 3412 flow, removed 29 selfloop flow, removed 2 redundant places. [2021-03-26 13:36:48,038 INFO L241 Difference]: Finished difference. Result has 167 places, 148 transitions, 3078 flow [2021-03-26 13:36:48,039 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} [2021-03-26 13:36:48,039 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 129 predicate places. [2021-03-26 13:36:48,039 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:48,039 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 148 transitions, 3078 flow [2021-03-26 13:36:48,040 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 148 transitions, 3078 flow [2021-03-26 13:36:48,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 148 transitions, 3078 flow [2021-03-26 13:36:48,185 INFO L129 PetriNetUnfolder]: 70/1096 cut-off events. [2021-03-26 13:36:48,185 INFO L130 PetriNetUnfolder]: For 19740/20458 co-relation queries the response was YES. [2021-03-26 13:36:48,196 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. [2021-03-26 13:36:48,210 INFO L142 LiptonReduction]: Number of co-enabled transitions 1186 [2021-03-26 13:36:48,221 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:48,221 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:48,222 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 183 [2021-03-26 13:36:48,223 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 148 transitions, 3078 flow [2021-03-26 13:36:48,223 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) [2021-03-26 13:36:48,223 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:48,223 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:48,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 13:36:48,223 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]=== [2021-03-26 13:36:48,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:48,224 INFO L82 PathProgramCache]: Analyzing trace with hash 881421328, now seen corresponding path program 13 times [2021-03-26 13:36:48,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:48,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568522663] [2021-03-26 13:36:48,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:48,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:48,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:48,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:48,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:48,256 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:48,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:48,267 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:48,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:48,282 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:48,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:48,302 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:48,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:48,329 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:48,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:48,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:48,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568522663] [2021-03-26 13:36:48,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:48,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:48,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526768407] [2021-03-26 13:36:48,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:48,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:48,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:48,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:48,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:48,361 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) [2021-03-26 13:36:48,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:48,361 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:48,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:48,677 INFO L129 PetriNetUnfolder]: 279/1644 cut-off events. [2021-03-26 13:36:48,678 INFO L130 PetriNetUnfolder]: For 37646/37894 co-relation queries the response was YES. [2021-03-26 13:36:48,695 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. [2021-03-26 13:36:48,702 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 54 selfloop transitions, 91 changer transitions 1/160 dead transitions. [2021-03-26 13:36:48,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 160 transitions, 3624 flow [2021-03-26 13:36:48,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:48,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:48,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:36:48,704 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:36:48,704 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:36:48,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:36:48,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:48,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:36:48,705 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) [2021-03-26 13:36:48,706 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) [2021-03-26 13:36:48,706 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) [2021-03-26 13:36:48,706 INFO L185 Difference]: Start difference. First operand has 167 places, 148 transitions, 3078 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:36:48,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 160 transitions, 3624 flow [2021-03-26 13:36:48,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 160 transitions, 3450 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:48,832 INFO L241 Difference]: Finished difference. Result has 174 places, 150 transitions, 3162 flow [2021-03-26 13:36:48,832 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} [2021-03-26 13:36:48,832 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 136 predicate places. [2021-03-26 13:36:48,832 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:48,833 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 150 transitions, 3162 flow [2021-03-26 13:36:48,833 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 150 transitions, 3162 flow [2021-03-26 13:36:48,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 174 places, 150 transitions, 3162 flow [2021-03-26 13:36:48,954 INFO L129 PetriNetUnfolder]: 70/1095 cut-off events. [2021-03-26 13:36:48,955 INFO L130 PetriNetUnfolder]: For 21378/22195 co-relation queries the response was YES. [2021-03-26 13:36:48,964 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. [2021-03-26 13:36:48,978 INFO L142 LiptonReduction]: Number of co-enabled transitions 1206 [2021-03-26 13:36:48,988 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:48,989 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:48,989 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 157 [2021-03-26 13:36:48,989 INFO L480 AbstractCegarLoop]: Abstraction has has 174 places, 150 transitions, 3162 flow [2021-03-26 13:36:48,990 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) [2021-03-26 13:36:48,990 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:48,990 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:48,990 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 13:36:48,990 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]=== [2021-03-26 13:36:48,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:48,990 INFO L82 PathProgramCache]: Analyzing trace with hash 71391482, now seen corresponding path program 14 times [2021-03-26 13:36:48,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:48,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021414723] [2021-03-26 13:36:48,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:49,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:49,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:49,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:49,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:49,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:49,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:49,018 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:49,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:49,031 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:49,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:49,049 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:49,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:49,075 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:49,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:49,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021414723] [2021-03-26 13:36:49,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:49,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:49,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673015850] [2021-03-26 13:36:49,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:49,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:49,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:49,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:49,100 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:49,101 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) [2021-03-26 13:36:49,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:49,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:49,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:49,533 INFO L129 PetriNetUnfolder]: 277/1954 cut-off events. [2021-03-26 13:36:49,533 INFO L130 PetriNetUnfolder]: For 52802/53050 co-relation queries the response was YES. [2021-03-26 13:36:49,547 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. [2021-03-26 13:36:49,555 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 180 selfloop transitions, 90 changer transitions 0/284 dead transitions. [2021-03-26 13:36:49,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 284 transitions, 7005 flow [2021-03-26 13:36:49,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:49,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:49,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:49,556 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:49,556 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:49,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:49,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:49,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:49,558 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) [2021-03-26 13:36:49,559 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) [2021-03-26 13:36:49,559 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) [2021-03-26 13:36:49,559 INFO L185 Difference]: Start difference. First operand has 174 places, 150 transitions, 3162 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:49,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 284 transitions, 7005 flow [2021-03-26 13:36:49,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 284 transitions, 6640 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:49,722 INFO L241 Difference]: Finished difference. Result has 183 places, 213 transitions, 4970 flow [2021-03-26 13:36:49,723 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} [2021-03-26 13:36:49,723 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 145 predicate places. [2021-03-26 13:36:49,723 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:49,723 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 213 transitions, 4970 flow [2021-03-26 13:36:49,723 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 213 transitions, 4970 flow [2021-03-26 13:36:49,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 213 transitions, 4970 flow [2021-03-26 13:36:49,959 INFO L129 PetriNetUnfolder]: 109/1632 cut-off events. [2021-03-26 13:36:49,959 INFO L130 PetriNetUnfolder]: For 35220/35613 co-relation queries the response was YES. [2021-03-26 13:36:49,975 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. [2021-03-26 13:36:49,994 INFO L142 LiptonReduction]: Number of co-enabled transitions 1398 [2021-03-26 13:36:50,008 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:50,008 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:50,009 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 286 [2021-03-26 13:36:50,009 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 213 transitions, 4970 flow [2021-03-26 13:36:50,009 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) [2021-03-26 13:36:50,009 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:50,010 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:50,010 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 13:36:50,010 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]=== [2021-03-26 13:36:50,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:50,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1996286544, now seen corresponding path program 15 times [2021-03-26 13:36:50,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:50,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338989994] [2021-03-26 13:36:50,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:50,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:50,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:50,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:50,044 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:50,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:50,055 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:50,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:50,071 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:36:50,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:36:50,090 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:50,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:50,115 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:50,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:50,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:50,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338989994] [2021-03-26 13:36:50,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:50,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:50,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59919023] [2021-03-26 13:36:50,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:50,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:50,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:50,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:50,139 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:50,140 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) [2021-03-26 13:36:50,140 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:50,140 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:50,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:50,623 INFO L129 PetriNetUnfolder]: 303/2122 cut-off events. [2021-03-26 13:36:50,623 INFO L130 PetriNetUnfolder]: For 51998/52317 co-relation queries the response was YES. [2021-03-26 13:36:50,646 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. [2021-03-26 13:36:50,654 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 64 selfloop transitions, 147 changer transitions 1/226 dead transitions. [2021-03-26 13:36:50,654 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 226 transitions, 5690 flow [2021-03-26 13:36:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:50,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:50,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:50,656 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:50,656 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:50,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:50,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:50,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:50,657 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) [2021-03-26 13:36:50,658 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) [2021-03-26 13:36:50,658 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) [2021-03-26 13:36:50,659 INFO L185 Difference]: Start difference. First operand has 183 places, 213 transitions, 4970 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:50,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 226 transitions, 5690 flow [2021-03-26 13:36:50,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 226 transitions, 5660 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:50,874 INFO L241 Difference]: Finished difference. Result has 192 places, 216 transitions, 5331 flow [2021-03-26 13:36:50,875 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} [2021-03-26 13:36:50,875 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 154 predicate places. [2021-03-26 13:36:50,875 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:50,875 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 192 places, 216 transitions, 5331 flow [2021-03-26 13:36:50,878 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 192 places, 216 transitions, 5331 flow [2021-03-26 13:36:50,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 192 places, 216 transitions, 5331 flow [2021-03-26 13:36:51,103 INFO L129 PetriNetUnfolder]: 109/1638 cut-off events. [2021-03-26 13:36:51,103 INFO L130 PetriNetUnfolder]: For 39451/39903 co-relation queries the response was YES. [2021-03-26 13:36:51,119 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. [2021-03-26 13:36:51,174 INFO L142 LiptonReduction]: Number of co-enabled transitions 1434 [2021-03-26 13:36:51,185 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:51,185 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:51,185 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 310 [2021-03-26 13:36:51,185 INFO L480 AbstractCegarLoop]: Abstraction has has 192 places, 216 transitions, 5331 flow [2021-03-26 13:36:51,186 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) [2021-03-26 13:36:51,186 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:51,186 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:51,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 13:36:51,186 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]=== [2021-03-26 13:36:51,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:51,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1618551422, now seen corresponding path program 16 times [2021-03-26 13:36:51,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:51,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016995161] [2021-03-26 13:36:51,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:51,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:51,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:51,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:51,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:51,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:51,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:51,235 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:51,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:51,249 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:51,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:51,268 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:51,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:51,298 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:51,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:51,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:51,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016995161] [2021-03-26 13:36:51,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:51,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:51,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703488553] [2021-03-26 13:36:51,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:51,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:51,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:51,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:51,325 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:51,325 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) [2021-03-26 13:36:51,325 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:51,326 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:51,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:51,832 INFO L129 PetriNetUnfolder]: 279/2263 cut-off events. [2021-03-26 13:36:51,832 INFO L130 PetriNetUnfolder]: For 63183/63502 co-relation queries the response was YES. [2021-03-26 13:36:51,850 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. [2021-03-26 13:36:51,858 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 186 selfloop transitions, 102 changer transitions 0/302 dead transitions. [2021-03-26 13:36:51,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 302 transitions, 8153 flow [2021-03-26 13:36:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:51,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:51,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:51,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:51,860 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:51,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:51,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:51,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:51,861 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) [2021-03-26 13:36:51,862 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) [2021-03-26 13:36:51,862 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) [2021-03-26 13:36:51,862 INFO L185 Difference]: Start difference. First operand has 192 places, 216 transitions, 5331 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:51,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 302 transitions, 8153 flow [2021-03-26 13:36:52,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 302 transitions, 7766 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-26 13:36:52,084 INFO L241 Difference]: Finished difference. Result has 201 places, 255 transitions, 6508 flow [2021-03-26 13:36:52,085 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} [2021-03-26 13:36:52,085 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 163 predicate places. [2021-03-26 13:36:52,085 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:52,085 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 255 transitions, 6508 flow [2021-03-26 13:36:52,085 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 255 transitions, 6508 flow [2021-03-26 13:36:52,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 255 transitions, 6508 flow [2021-03-26 13:36:52,353 INFO L129 PetriNetUnfolder]: 136/1990 cut-off events. [2021-03-26 13:36:52,353 INFO L130 PetriNetUnfolder]: For 53713/54143 co-relation queries the response was YES. [2021-03-26 13:36:52,372 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. [2021-03-26 13:36:52,394 INFO L142 LiptonReduction]: Number of co-enabled transitions 1590 [2021-03-26 13:36:52,407 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:52,407 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:52,408 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 323 [2021-03-26 13:36:52,408 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 255 transitions, 6508 flow [2021-03-26 13:36:52,408 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) [2021-03-26 13:36:52,408 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:52,408 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:52,409 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 13:36:52,409 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]=== [2021-03-26 13:36:52,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:52,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1642344288, now seen corresponding path program 17 times [2021-03-26 13:36:52,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:52,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750857599] [2021-03-26 13:36:52,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:52,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:52,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:52,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:52,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:52,427 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:52,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:52,436 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:52,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:52,453 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:52,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:52,475 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:52,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:52,500 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:52,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:52,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:52,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750857599] [2021-03-26 13:36:52,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:52,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:52,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095665823] [2021-03-26 13:36:52,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:52,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:52,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:52,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:52,532 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:52,532 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) [2021-03-26 13:36:52,532 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:52,532 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:52,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:53,044 INFO L129 PetriNetUnfolder]: 267/2345 cut-off events. [2021-03-26 13:36:53,044 INFO L130 PetriNetUnfolder]: For 69756/70184 co-relation queries the response was YES. [2021-03-26 13:36:53,063 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. [2021-03-26 13:36:53,069 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 76 selfloop transitions, 182 changer transitions 1/273 dead transitions. [2021-03-26 13:36:53,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 273 transitions, 7510 flow [2021-03-26 13:36:53,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:53,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:53,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:53,070 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:53,070 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:53,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:53,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:53,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:53,072 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) [2021-03-26 13:36:53,073 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) [2021-03-26 13:36:53,073 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) [2021-03-26 13:36:53,073 INFO L185 Difference]: Start difference. First operand has 201 places, 255 transitions, 6508 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:53,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 273 transitions, 7510 flow [2021-03-26 13:36:53,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 273 transitions, 7376 flow, removed 49 selfloop flow, removed 1 redundant places. [2021-03-26 13:36:53,328 INFO L241 Difference]: Finished difference. Result has 211 places, 262 transitions, 7018 flow [2021-03-26 13:36:53,328 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} [2021-03-26 13:36:53,328 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 173 predicate places. [2021-03-26 13:36:53,328 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:53,328 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 262 transitions, 7018 flow [2021-03-26 13:36:53,329 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 262 transitions, 7018 flow [2021-03-26 13:36:53,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 262 transitions, 7018 flow [2021-03-26 13:36:53,579 INFO L129 PetriNetUnfolder]: 136/2086 cut-off events. [2021-03-26 13:36:53,579 INFO L130 PetriNetUnfolder]: For 62862/63231 co-relation queries the response was YES. [2021-03-26 13:36:53,595 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. [2021-03-26 13:36:53,613 INFO L142 LiptonReduction]: Number of co-enabled transitions 1648 [2021-03-26 13:36:53,626 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:53,626 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:53,626 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 298 [2021-03-26 13:36:53,627 INFO L480 AbstractCegarLoop]: Abstraction has has 211 places, 262 transitions, 7018 flow [2021-03-26 13:36:53,627 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) [2021-03-26 13:36:53,627 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:53,627 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:53,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 13:36:53,627 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]=== [2021-03-26 13:36:53,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:53,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1618713732, now seen corresponding path program 18 times [2021-03-26 13:36:53,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:53,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473463190] [2021-03-26 13:36:53,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:53,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:53,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:53,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:53,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:53,657 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:53,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:53,666 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:53,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:53,677 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:53,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:53,696 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:53,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:53,716 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:53,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:53,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:53,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473463190] [2021-03-26 13:36:53,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:53,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:53,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832822794] [2021-03-26 13:36:53,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:53,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:53,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:53,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:53,737 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:53,738 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) [2021-03-26 13:36:53,738 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:53,738 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:53,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:54,246 INFO L129 PetriNetUnfolder]: 264/2334 cut-off events. [2021-03-26 13:36:54,246 INFO L130 PetriNetUnfolder]: For 76510/77024 co-relation queries the response was YES. [2021-03-26 13:36:54,266 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. [2021-03-26 13:36:54,271 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 122 selfloop transitions, 161 changer transitions 1/298 dead transitions. [2021-03-26 13:36:54,271 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 298 transitions, 8590 flow [2021-03-26 13:36:54,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:54,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:54,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:54,272 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:54,272 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:54,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:54,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:54,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:54,273 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) [2021-03-26 13:36:54,274 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) [2021-03-26 13:36:54,274 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) [2021-03-26 13:36:54,274 INFO L185 Difference]: Start difference. First operand has 211 places, 262 transitions, 7018 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:54,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 298 transitions, 8590 flow [2021-03-26 13:36:54,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 298 transitions, 8264 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-26 13:36:54,516 INFO L241 Difference]: Finished difference. Result has 219 places, 279 transitions, 7718 flow [2021-03-26 13:36:54,516 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} [2021-03-26 13:36:54,516 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 181 predicate places. [2021-03-26 13:36:54,516 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:54,517 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 219 places, 279 transitions, 7718 flow [2021-03-26 13:36:54,517 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 219 places, 279 transitions, 7718 flow [2021-03-26 13:36:54,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 219 places, 279 transitions, 7718 flow [2021-03-26 13:36:54,789 INFO L129 PetriNetUnfolder]: 136/2084 cut-off events. [2021-03-26 13:36:54,790 INFO L130 PetriNetUnfolder]: For 68793/69179 co-relation queries the response was YES. [2021-03-26 13:36:54,811 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. [2021-03-26 13:36:54,830 INFO L142 LiptonReduction]: Number of co-enabled transitions 1798 [2021-03-26 13:36:54,845 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:54,845 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:54,846 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 330 [2021-03-26 13:36:54,846 INFO L480 AbstractCegarLoop]: Abstraction has has 219 places, 279 transitions, 7718 flow [2021-03-26 13:36:54,846 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) [2021-03-26 13:36:54,846 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:54,846 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:54,846 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 13:36:54,846 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]=== [2021-03-26 13:36:54,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:54,847 INFO L82 PathProgramCache]: Analyzing trace with hash -189128520, now seen corresponding path program 19 times [2021-03-26 13:36:54,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:54,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662094596] [2021-03-26 13:36:54,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:54,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:54,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:54,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:54,872 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:54,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:54,882 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:36:54,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:36:54,895 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:54,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:54,911 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:54,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:54,934 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:54,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:54,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:54,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662094596] [2021-03-26 13:36:54,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:54,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:54,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470980735] [2021-03-26 13:36:54,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:54,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:54,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:54,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:54,964 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:54,976 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) [2021-03-26 13:36:54,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:54,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:54,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:55,548 INFO L129 PetriNetUnfolder]: 267/2342 cut-off events. [2021-03-26 13:36:55,548 INFO L130 PetriNetUnfolder]: For 83190/83884 co-relation queries the response was YES. [2021-03-26 13:36:55,569 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. [2021-03-26 13:36:55,575 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 81 selfloop transitions, 193 changer transitions 0/288 dead transitions. [2021-03-26 13:36:55,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 288 transitions, 8534 flow [2021-03-26 13:36:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:55,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:55,576 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:55,576 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:55,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:55,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:55,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:55,577 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) [2021-03-26 13:36:55,578 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) [2021-03-26 13:36:55,578 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) [2021-03-26 13:36:55,578 INFO L185 Difference]: Start difference. First operand has 219 places, 279 transitions, 7718 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:55,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 288 transitions, 8534 flow [2021-03-26 13:36:55,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 288 transitions, 8260 flow, removed 48 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:55,844 INFO L241 Difference]: Finished difference. Result has 223 places, 282 transitions, 7940 flow [2021-03-26 13:36:55,845 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} [2021-03-26 13:36:55,845 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 185 predicate places. [2021-03-26 13:36:55,845 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:55,845 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 282 transitions, 7940 flow [2021-03-26 13:36:55,845 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 282 transitions, 7940 flow [2021-03-26 13:36:55,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 282 transitions, 7940 flow [2021-03-26 13:36:56,123 INFO L129 PetriNetUnfolder]: 136/2083 cut-off events. [2021-03-26 13:36:56,123 INFO L130 PetriNetUnfolder]: For 71029/71406 co-relation queries the response was YES. [2021-03-26 13:36:56,140 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. [2021-03-26 13:36:56,158 INFO L142 LiptonReduction]: Number of co-enabled transitions 1828 [2021-03-26 13:36:56,173 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:56,173 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:56,173 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 328 [2021-03-26 13:36:56,173 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 282 transitions, 7940 flow [2021-03-26 13:36:56,174 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) [2021-03-26 13:36:56,174 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:56,174 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:56,174 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 13:36:56,174 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]=== [2021-03-26 13:36:56,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:56,174 INFO L82 PathProgramCache]: Analyzing trace with hash -796340978, now seen corresponding path program 20 times [2021-03-26 13:36:56,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:56,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670722993] [2021-03-26 13:36:56,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:56,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:56,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:56,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:56,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:56,202 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:56,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:56,214 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:36:56,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:36:56,245 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:36:56,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:36:56,276 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:56,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:56,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:56,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670722993] [2021-03-26 13:36:56,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:56,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:56,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254977342] [2021-03-26 13:36:56,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:56,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:56,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:56,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:56,303 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:56,303 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) [2021-03-26 13:36:56,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:56,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:56,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:56,813 INFO L129 PetriNetUnfolder]: 265/2402 cut-off events. [2021-03-26 13:36:56,814 INFO L130 PetriNetUnfolder]: For 89402/90100 co-relation queries the response was YES. [2021-03-26 13:36:56,836 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. [2021-03-26 13:36:56,842 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 197 selfloop transitions, 127 changer transitions 0/338 dead transitions. [2021-03-26 13:36:56,842 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 338 transitions, 10314 flow [2021-03-26 13:36:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:56,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:56,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:56,844 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:56,844 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:56,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:56,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:56,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:56,845 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) [2021-03-26 13:36:56,846 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) [2021-03-26 13:36:56,846 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) [2021-03-26 13:36:56,846 INFO L185 Difference]: Start difference. First operand has 223 places, 282 transitions, 7940 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:56,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 338 transitions, 10314 flow [2021-03-26 13:36:57,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 338 transitions, 9845 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 13:36:57,131 INFO L241 Difference]: Finished difference. Result has 230 places, 311 transitions, 8850 flow [2021-03-26 13:36:57,131 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} [2021-03-26 13:36:57,131 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 192 predicate places. [2021-03-26 13:36:57,131 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:57,132 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 311 transitions, 8850 flow [2021-03-26 13:36:57,132 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 311 transitions, 8850 flow [2021-03-26 13:36:57,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 230 places, 311 transitions, 8850 flow [2021-03-26 13:36:57,478 INFO L129 PetriNetUnfolder]: 139/2161 cut-off events. [2021-03-26 13:36:57,478 INFO L130 PetriNetUnfolder]: For 79987/80371 co-relation queries the response was YES. [2021-03-26 13:36:57,497 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. [2021-03-26 13:36:57,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 1990 [2021-03-26 13:36:57,577 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:57,577 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:57,578 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 447 [2021-03-26 13:36:57,578 INFO L480 AbstractCegarLoop]: Abstraction has has 230 places, 311 transitions, 8850 flow [2021-03-26 13:36:57,578 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) [2021-03-26 13:36:57,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:57,578 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:57,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 13:36:57,579 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]=== [2021-03-26 13:36:57,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:57,579 INFO L82 PathProgramCache]: Analyzing trace with hash 2068408222, now seen corresponding path program 21 times [2021-03-26 13:36:57,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:57,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900111197] [2021-03-26 13:36:57,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:57,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:57,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:57,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:57,603 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:57,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:57,612 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:57,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:57,624 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:36:57,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:36:57,649 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:57,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:57,676 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:57,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:57,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:57,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900111197] [2021-03-26 13:36:57,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:57,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:57,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290709290] [2021-03-26 13:36:57,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:57,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:57,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:57,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:57,697 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:57,697 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) [2021-03-26 13:36:57,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:57,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:57,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:58,256 INFO L129 PetriNetUnfolder]: 253/2479 cut-off events. [2021-03-26 13:36:58,256 INFO L130 PetriNetUnfolder]: For 98927/99652 co-relation queries the response was YES. [2021-03-26 13:36:58,278 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. [2021-03-26 13:36:58,285 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 123 selfloop transitions, 201 changer transitions 0/338 dead transitions. [2021-03-26 13:36:58,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 338 transitions, 10217 flow [2021-03-26 13:36:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:58,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:58,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:58,301 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:58,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:58,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:58,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:58,302 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) [2021-03-26 13:36:58,303 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) [2021-03-26 13:36:58,303 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) [2021-03-26 13:36:58,303 INFO L185 Difference]: Start difference. First operand has 230 places, 311 transitions, 8850 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:58,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 338 transitions, 10217 flow [2021-03-26 13:36:58,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 338 transitions, 10019 flow, removed 44 selfloop flow, removed 2 redundant places. [2021-03-26 13:36:58,666 INFO L241 Difference]: Finished difference. Result has 239 places, 322 transitions, 9408 flow [2021-03-26 13:36:58,667 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} [2021-03-26 13:36:58,667 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 201 predicate places. [2021-03-26 13:36:58,667 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:58,667 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 322 transitions, 9408 flow [2021-03-26 13:36:58,667 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 322 transitions, 9408 flow [2021-03-26 13:36:58,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 322 transitions, 9408 flow [2021-03-26 13:36:58,987 INFO L129 PetriNetUnfolder]: 139/2250 cut-off events. [2021-03-26 13:36:58,987 INFO L130 PetriNetUnfolder]: For 90711/91128 co-relation queries the response was YES. [2021-03-26 13:36:59,005 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. [2021-03-26 13:36:59,025 INFO L142 LiptonReduction]: Number of co-enabled transitions 2106 [2021-03-26 13:36:59,042 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:59,043 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:59,043 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 376 [2021-03-26 13:36:59,043 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 322 transitions, 9408 flow [2021-03-26 13:36:59,043 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) [2021-03-26 13:36:59,043 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:59,043 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:59,044 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 13:36:59,044 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]=== [2021-03-26 13:36:59,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:59,044 INFO L82 PathProgramCache]: Analyzing trace with hash 365565104, now seen corresponding path program 22 times [2021-03-26 13:36:59,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:59,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778195658] [2021-03-26 13:36:59,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:59,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:59,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:59,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:59,063 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:36:59,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:36:59,071 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:36:59,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:36:59,084 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:36:59,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:36:59,102 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:36:59,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:36:59,127 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:36:59,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:36:59,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:36:59,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778195658] [2021-03-26 13:36:59,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:59,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:36:59,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370407014] [2021-03-26 13:36:59,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:36:59,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:59,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:36:59,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:36:59,153 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:36:59,153 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) [2021-03-26 13:36:59,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:59,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:36:59,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:36:59,752 INFO L129 PetriNetUnfolder]: 252/2479 cut-off events. [2021-03-26 13:36:59,752 INFO L130 PetriNetUnfolder]: For 105983/106706 co-relation queries the response was YES. [2021-03-26 13:36:59,774 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. [2021-03-26 13:36:59,779 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 138 selfloop transitions, 199 changer transitions 0/351 dead transitions. [2021-03-26 13:36:59,780 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 351 transitions, 11012 flow [2021-03-26 13:36:59,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:36:59,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:36:59,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:36:59,781 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:36:59,781 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:36:59,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:36:59,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:36:59,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:36:59,782 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) [2021-03-26 13:36:59,782 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) [2021-03-26 13:36:59,782 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) [2021-03-26 13:36:59,783 INFO L185 Difference]: Start difference. First operand has 239 places, 322 transitions, 9408 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:36:59,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 351 transitions, 11012 flow [2021-03-26 13:37:00,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 351 transitions, 10807 flow, removed 11 selfloop flow, removed 2 redundant places. [2021-03-26 13:37:00,158 INFO L241 Difference]: Finished difference. Result has 249 places, 330 transitions, 10065 flow [2021-03-26 13:37:00,158 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} [2021-03-26 13:37:00,158 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 211 predicate places. [2021-03-26 13:37:00,158 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:00,158 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 330 transitions, 10065 flow [2021-03-26 13:37:00,159 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 330 transitions, 10065 flow [2021-03-26 13:37:00,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 330 transitions, 10065 flow [2021-03-26 13:37:00,505 INFO L129 PetriNetUnfolder]: 139/2257 cut-off events. [2021-03-26 13:37:00,505 INFO L130 PetriNetUnfolder]: For 99962/100320 co-relation queries the response was YES. [2021-03-26 13:37:00,527 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. [2021-03-26 13:37:00,548 INFO L142 LiptonReduction]: Number of co-enabled transitions 2174 [2021-03-26 13:37:00,566 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:00,566 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:00,566 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 408 [2021-03-26 13:37:00,566 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 330 transitions, 10065 flow [2021-03-26 13:37:00,566 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) [2021-03-26 13:37:00,566 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:00,566 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:00,567 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 13:37:00,567 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]=== [2021-03-26 13:37:00,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:00,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1897951838, now seen corresponding path program 23 times [2021-03-26 13:37:00,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:00,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119433213] [2021-03-26 13:37:00,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:00,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:00,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:00,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:00,588 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:00,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:00,597 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:00,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:00,609 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:00,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:00,628 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:00,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:00,660 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:00,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:00,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119433213] [2021-03-26 13:37:00,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:00,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:00,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760735187] [2021-03-26 13:37:00,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:00,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:00,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:00,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:00,681 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:00,682 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) [2021-03-26 13:37:00,682 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:00,682 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:00,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:01,306 INFO L129 PetriNetUnfolder]: 244/2523 cut-off events. [2021-03-26 13:37:01,307 INFO L130 PetriNetUnfolder]: For 117775/118531 co-relation queries the response was YES. [2021-03-26 13:37:01,326 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. [2021-03-26 13:37:01,331 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 146 selfloop transitions, 196 changer transitions 0/356 dead transitions. [2021-03-26 13:37:01,332 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 356 transitions, 11600 flow [2021-03-26 13:37:01,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:01,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:01,333 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:01,333 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:01,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:01,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:01,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:01,334 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) [2021-03-26 13:37:01,334 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) [2021-03-26 13:37:01,334 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) [2021-03-26 13:37:01,334 INFO L185 Difference]: Start difference. First operand has 249 places, 330 transitions, 10065 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:01,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 356 transitions, 11600 flow [2021-03-26 13:37:01,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 356 transitions, 11385 flow, removed 16 selfloop flow, removed 2 redundant places. [2021-03-26 13:37:01,680 INFO L241 Difference]: Finished difference. Result has 258 places, 338 transitions, 10576 flow [2021-03-26 13:37:01,681 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} [2021-03-26 13:37:01,681 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 220 predicate places. [2021-03-26 13:37:01,681 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:01,681 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 338 transitions, 10576 flow [2021-03-26 13:37:01,681 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 338 transitions, 10576 flow [2021-03-26 13:37:01,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 258 places, 338 transitions, 10576 flow [2021-03-26 13:37:02,018 INFO L129 PetriNetUnfolder]: 139/2320 cut-off events. [2021-03-26 13:37:02,019 INFO L130 PetriNetUnfolder]: For 110059/110419 co-relation queries the response was YES. [2021-03-26 13:37:02,042 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. [2021-03-26 13:37:02,072 INFO L142 LiptonReduction]: Number of co-enabled transitions 2252 [2021-03-26 13:37:02,096 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:02,096 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:02,096 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 415 [2021-03-26 13:37:02,097 INFO L480 AbstractCegarLoop]: Abstraction has has 258 places, 338 transitions, 10576 flow [2021-03-26 13:37:02,097 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) [2021-03-26 13:37:02,097 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:02,097 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:02,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 13:37:02,097 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]=== [2021-03-26 13:37:02,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:02,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1929461150, now seen corresponding path program 24 times [2021-03-26 13:37:02,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:02,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813254337] [2021-03-26 13:37:02,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:02,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:02,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:02,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:02,119 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:02,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:02,128 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:02,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:02,141 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:37:02,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:37:02,175 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:02,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:02,196 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:02,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:02,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:02,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813254337] [2021-03-26 13:37:02,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:02,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:02,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294936427] [2021-03-26 13:37:02,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:02,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:02,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:02,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:02,219 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:02,219 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) [2021-03-26 13:37:02,219 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:02,219 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:02,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:02,884 INFO L129 PetriNetUnfolder]: 244/2522 cut-off events. [2021-03-26 13:37:02,884 INFO L130 PetriNetUnfolder]: For 123765/124473 co-relation queries the response was YES. [2021-03-26 13:37:02,912 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. [2021-03-26 13:37:02,918 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 146 selfloop transitions, 205 changer transitions 0/365 dead transitions. [2021-03-26 13:37:02,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 365 transitions, 12206 flow [2021-03-26 13:37:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:02,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:02,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:02,920 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:02,920 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:02,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:02,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:02,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:02,921 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) [2021-03-26 13:37:02,921 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) [2021-03-26 13:37:02,922 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) [2021-03-26 13:37:02,922 INFO L185 Difference]: Start difference. First operand has 258 places, 338 transitions, 10576 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:02,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 365 transitions, 12206 flow [2021-03-26 13:37:03,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 365 transitions, 11725 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:03,346 INFO L241 Difference]: Finished difference. Result has 265 places, 345 transitions, 10837 flow [2021-03-26 13:37:03,347 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} [2021-03-26 13:37:03,347 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 227 predicate places. [2021-03-26 13:37:03,347 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:03,347 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 345 transitions, 10837 flow [2021-03-26 13:37:03,347 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 345 transitions, 10837 flow [2021-03-26 13:37:03,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 345 transitions, 10837 flow [2021-03-26 13:37:03,724 INFO L129 PetriNetUnfolder]: 139/2319 cut-off events. [2021-03-26 13:37:03,725 INFO L130 PetriNetUnfolder]: For 116277/116635 co-relation queries the response was YES. [2021-03-26 13:37:03,747 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. [2021-03-26 13:37:03,777 INFO L142 LiptonReduction]: Number of co-enabled transitions 2332 [2021-03-26 13:37:03,806 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:03,806 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:03,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 459 [2021-03-26 13:37:03,807 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 345 transitions, 10837 flow [2021-03-26 13:37:03,807 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) [2021-03-26 13:37:03,807 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:03,807 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:03,807 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 13:37:03,807 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]=== [2021-03-26 13:37:03,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:03,807 INFO L82 PathProgramCache]: Analyzing trace with hash -2135503386, now seen corresponding path program 25 times [2021-03-26 13:37:03,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:03,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902991190] [2021-03-26 13:37:03,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:03,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:03,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:03,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:03,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:03,827 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:03,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:03,836 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:03,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:03,852 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:03,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:03,871 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:03,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:03,890 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:03,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:03,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:03,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902991190] [2021-03-26 13:37:03,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:03,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:03,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069007530] [2021-03-26 13:37:03,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:03,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:03,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:03,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:03,914 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:03,914 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) [2021-03-26 13:37:03,914 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:03,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:03,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:04,529 INFO L129 PetriNetUnfolder]: 244/2521 cut-off events. [2021-03-26 13:37:04,529 INFO L130 PetriNetUnfolder]: For 129629/130329 co-relation queries the response was YES. [2021-03-26 13:37:04,556 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. [2021-03-26 13:37:04,562 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 134 selfloop transitions, 213 changer transitions 0/361 dead transitions. [2021-03-26 13:37:04,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 361 transitions, 12106 flow [2021-03-26 13:37:04,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:04,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:04,563 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:04,564 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:04,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:04,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:04,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:04,564 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) [2021-03-26 13:37:04,565 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) [2021-03-26 13:37:04,565 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) [2021-03-26 13:37:04,565 INFO L185 Difference]: Start difference. First operand has 265 places, 345 transitions, 10837 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:04,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 361 transitions, 12106 flow [2021-03-26 13:37:05,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 361 transitions, 11887 flow, removed 18 selfloop flow, removed 2 redundant places. [2021-03-26 13:37:05,016 INFO L241 Difference]: Finished difference. Result has 274 places, 354 transitions, 11446 flow [2021-03-26 13:37:05,016 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} [2021-03-26 13:37:05,017 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 236 predicate places. [2021-03-26 13:37:05,017 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:05,017 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 274 places, 354 transitions, 11446 flow [2021-03-26 13:37:05,017 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 274 places, 354 transitions, 11446 flow [2021-03-26 13:37:05,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 274 places, 354 transitions, 11446 flow [2021-03-26 13:37:05,375 INFO L129 PetriNetUnfolder]: 139/2318 cut-off events. [2021-03-26 13:37:05,376 INFO L130 PetriNetUnfolder]: For 123255/123602 co-relation queries the response was YES. [2021-03-26 13:37:05,402 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. [2021-03-26 13:37:05,425 INFO L142 LiptonReduction]: Number of co-enabled transitions 2440 [2021-03-26 13:37:05,448 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:05,448 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:05,448 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 431 [2021-03-26 13:37:05,449 INFO L480 AbstractCegarLoop]: Abstraction has has 274 places, 354 transitions, 11446 flow [2021-03-26 13:37:05,449 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) [2021-03-26 13:37:05,449 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:05,449 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:05,449 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 13:37:05,449 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]=== [2021-03-26 13:37:05,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:05,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1513075010, now seen corresponding path program 26 times [2021-03-26 13:37:05,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:05,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254737751] [2021-03-26 13:37:05,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:05,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:05,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:05,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:05,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:05,469 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:05,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:05,477 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:05,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:05,489 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:37:05,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:37:05,516 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:05,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:05,554 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:05,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:05,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254737751] [2021-03-26 13:37:05,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:05,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:05,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552732876] [2021-03-26 13:37:05,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:05,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:05,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:05,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:05,577 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:05,577 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) [2021-03-26 13:37:05,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:05,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:05,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:06,220 INFO L129 PetriNetUnfolder]: 244/2520 cut-off events. [2021-03-26 13:37:06,221 INFO L130 PetriNetUnfolder]: For 137470/138170 co-relation queries the response was YES. [2021-03-26 13:37:06,251 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. [2021-03-26 13:37:06,258 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 131 selfloop transitions, 216 changer transitions 0/361 dead transitions. [2021-03-26 13:37:06,258 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 361 transitions, 12438 flow [2021-03-26 13:37:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:06,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:06,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:06,260 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:06,260 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:06,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:06,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:06,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:06,261 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) [2021-03-26 13:37:06,261 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) [2021-03-26 13:37:06,261 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) [2021-03-26 13:37:06,261 INFO L185 Difference]: Start difference. First operand has 274 places, 354 transitions, 11446 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:06,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 361 transitions, 12438 flow [2021-03-26 13:37:06,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 361 transitions, 12087 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-26 13:37:06,793 INFO L241 Difference]: Finished difference. Result has 280 places, 357 transitions, 11663 flow [2021-03-26 13:37:06,793 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} [2021-03-26 13:37:06,793 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 242 predicate places. [2021-03-26 13:37:06,793 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:06,794 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 280 places, 357 transitions, 11663 flow [2021-03-26 13:37:06,794 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 280 places, 357 transitions, 11663 flow [2021-03-26 13:37:06,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 280 places, 357 transitions, 11663 flow [2021-03-26 13:37:07,155 INFO L129 PetriNetUnfolder]: 139/2317 cut-off events. [2021-03-26 13:37:07,155 INFO L130 PetriNetUnfolder]: For 129885/130281 co-relation queries the response was YES. [2021-03-26 13:37:07,181 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. [2021-03-26 13:37:07,204 INFO L142 LiptonReduction]: Number of co-enabled transitions 2466 [2021-03-26 13:37:07,224 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:07,225 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:07,225 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 432 [2021-03-26 13:37:07,225 INFO L480 AbstractCegarLoop]: Abstraction has has 280 places, 357 transitions, 11663 flow [2021-03-26 13:37:07,225 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) [2021-03-26 13:37:07,225 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:07,225 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:07,225 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 13:37:07,226 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]=== [2021-03-26 13:37:07,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:07,226 INFO L82 PathProgramCache]: Analyzing trace with hash -819346082, now seen corresponding path program 27 times [2021-03-26 13:37:07,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:07,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268233433] [2021-03-26 13:37:07,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:07,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:07,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:07,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:07,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:07,246 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:07,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:07,255 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:07,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:07,270 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:07,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:07,287 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:07,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:07,310 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:07,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:07,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:07,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268233433] [2021-03-26 13:37:07,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:07,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:07,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146652852] [2021-03-26 13:37:07,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:07,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:07,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:07,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:07,334 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:07,334 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) [2021-03-26 13:37:07,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:07,334 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:07,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:08,011 INFO L129 PetriNetUnfolder]: 244/2519 cut-off events. [2021-03-26 13:37:08,011 INFO L130 PetriNetUnfolder]: For 143449/144139 co-relation queries the response was YES. [2021-03-26 13:37:08,040 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. [2021-03-26 13:37:08,048 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 137 selfloop transitions, 213 changer transitions 0/364 dead transitions. [2021-03-26 13:37:08,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 364 transitions, 12665 flow [2021-03-26 13:37:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:08,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:08,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:08,049 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:08,049 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:08,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:08,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:08,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:08,050 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) [2021-03-26 13:37:08,051 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) [2021-03-26 13:37:08,051 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) [2021-03-26 13:37:08,051 INFO L185 Difference]: Start difference. First operand has 280 places, 357 transitions, 11663 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:08,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 364 transitions, 12665 flow [2021-03-26 13:37:08,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 364 transitions, 12260 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:08,672 INFO L241 Difference]: Finished difference. Result has 285 places, 360 transitions, 11813 flow [2021-03-26 13:37:08,672 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} [2021-03-26 13:37:08,672 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 247 predicate places. [2021-03-26 13:37:08,672 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:08,672 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 285 places, 360 transitions, 11813 flow [2021-03-26 13:37:08,673 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 285 places, 360 transitions, 11813 flow [2021-03-26 13:37:08,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 285 places, 360 transitions, 11813 flow [2021-03-26 13:37:09,038 INFO L129 PetriNetUnfolder]: 139/2316 cut-off events. [2021-03-26 13:37:09,038 INFO L130 PetriNetUnfolder]: For 134813/135167 co-relation queries the response was YES. [2021-03-26 13:37:09,065 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. [2021-03-26 13:37:09,089 INFO L142 LiptonReduction]: Number of co-enabled transitions 2490 [2021-03-26 13:37:09,112 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:09,112 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:09,112 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 440 [2021-03-26 13:37:09,113 INFO L480 AbstractCegarLoop]: Abstraction has has 285 places, 360 transitions, 11813 flow [2021-03-26 13:37:09,113 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) [2021-03-26 13:37:09,113 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:09,113 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:09,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 13:37:09,113 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]=== [2021-03-26 13:37:09,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:09,114 INFO L82 PathProgramCache]: Analyzing trace with hash 583939516, now seen corresponding path program 28 times [2021-03-26 13:37:09,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:09,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550242122] [2021-03-26 13:37:09,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:09,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:09,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:09,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:09,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:09,134 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:09,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:09,142 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:09,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:09,155 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:09,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:09,173 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:09,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:09,196 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:09,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:09,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550242122] [2021-03-26 13:37:09,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:09,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:09,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119239334] [2021-03-26 13:37:09,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:09,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:09,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:09,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:09,222 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:09,223 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) [2021-03-26 13:37:09,223 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:09,223 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:09,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:09,917 INFO L129 PetriNetUnfolder]: 244/2518 cut-off events. [2021-03-26 13:37:09,917 INFO L130 PetriNetUnfolder]: For 149482/150168 co-relation queries the response was YES. [2021-03-26 13:37:09,941 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. [2021-03-26 13:37:09,947 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 131 selfloop transitions, 219 changer transitions 0/364 dead transitions. [2021-03-26 13:37:09,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 364 transitions, 12729 flow [2021-03-26 13:37:09,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:09,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:09,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:09,948 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:09,948 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:09,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:09,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:09,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:09,949 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) [2021-03-26 13:37:09,950 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) [2021-03-26 13:37:09,950 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) [2021-03-26 13:37:09,950 INFO L185 Difference]: Start difference. First operand has 285 places, 360 transitions, 11813 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:09,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 364 transitions, 12729 flow [2021-03-26 13:37:10,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 364 transitions, 12335 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:10,404 INFO L241 Difference]: Finished difference. Result has 289 places, 360 transitions, 11860 flow [2021-03-26 13:37:10,405 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} [2021-03-26 13:37:10,405 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 251 predicate places. [2021-03-26 13:37:10,405 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:10,405 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 289 places, 360 transitions, 11860 flow [2021-03-26 13:37:10,405 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 289 places, 360 transitions, 11860 flow [2021-03-26 13:37:10,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 289 places, 360 transitions, 11860 flow [2021-03-26 13:37:10,739 INFO L129 PetriNetUnfolder]: 139/2315 cut-off events. [2021-03-26 13:37:10,739 INFO L130 PetriNetUnfolder]: For 141222/141618 co-relation queries the response was YES. [2021-03-26 13:37:10,761 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. [2021-03-26 13:37:10,782 INFO L142 LiptonReduction]: Number of co-enabled transitions 2490 [2021-03-26 13:37:10,804 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:10,804 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:10,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 399 [2021-03-26 13:37:10,805 INFO L480 AbstractCegarLoop]: Abstraction has has 289 places, 360 transitions, 11860 flow [2021-03-26 13:37:10,805 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) [2021-03-26 13:37:10,805 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:10,805 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:10,805 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 13:37:10,805 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]=== [2021-03-26 13:37:10,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:10,805 INFO L82 PathProgramCache]: Analyzing trace with hash -410719532, now seen corresponding path program 29 times [2021-03-26 13:37:10,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:10,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631210996] [2021-03-26 13:37:10,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:10,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:10,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:10,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:10,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:10,823 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:10,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:10,834 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:10,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:10,845 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:37:10,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:37:10,882 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:10,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:10,909 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:10,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:10,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631210996] [2021-03-26 13:37:10,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:10,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:10,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734645771] [2021-03-26 13:37:10,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:10,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:10,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:10,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:10,929 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:10,929 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) [2021-03-26 13:37:10,929 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:10,929 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:10,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:11,581 INFO L129 PetriNetUnfolder]: 244/2517 cut-off events. [2021-03-26 13:37:11,581 INFO L130 PetriNetUnfolder]: For 155333/156019 co-relation queries the response was YES. [2021-03-26 13:37:11,605 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. [2021-03-26 13:37:11,611 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 153 selfloop transitions, 209 changer transitions 0/376 dead transitions. [2021-03-26 13:37:11,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 376 transitions, 13182 flow [2021-03-26 13:37:11,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:11,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:11,612 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:11,612 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:11,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:11,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:11,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:11,613 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) [2021-03-26 13:37:11,614 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) [2021-03-26 13:37:11,614 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) [2021-03-26 13:37:11,614 INFO L185 Difference]: Start difference. First operand has 289 places, 360 transitions, 11860 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:11,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 376 transitions, 13182 flow [2021-03-26 13:37:12,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 376 transitions, 12771 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:12,110 INFO L241 Difference]: Finished difference. Result has 293 places, 360 transitions, 11870 flow [2021-03-26 13:37:12,111 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} [2021-03-26 13:37:12,111 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 255 predicate places. [2021-03-26 13:37:12,111 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:12,111 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 293 places, 360 transitions, 11870 flow [2021-03-26 13:37:12,111 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 293 places, 360 transitions, 11870 flow [2021-03-26 13:37:12,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 293 places, 360 transitions, 11870 flow [2021-03-26 13:37:12,497 INFO L129 PetriNetUnfolder]: 139/2314 cut-off events. [2021-03-26 13:37:12,497 INFO L130 PetriNetUnfolder]: For 147072/147426 co-relation queries the response was YES. [2021-03-26 13:37:12,519 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. [2021-03-26 13:37:12,541 INFO L142 LiptonReduction]: Number of co-enabled transitions 2490 [2021-03-26 13:37:12,561 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:12,561 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:12,561 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 450 [2021-03-26 13:37:12,562 INFO L480 AbstractCegarLoop]: Abstraction has has 293 places, 360 transitions, 11870 flow [2021-03-26 13:37:12,562 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) [2021-03-26 13:37:12,562 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:12,562 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:12,562 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 13:37:12,562 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]=== [2021-03-26 13:37:12,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:12,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1868542390, now seen corresponding path program 30 times [2021-03-26 13:37:12,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:12,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311107220] [2021-03-26 13:37:12,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:12,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:12,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:12,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:12,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:12,582 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:12,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:12,590 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:12,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:12,603 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:12,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:12,618 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:12,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:12,638 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:12,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:12,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:12,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311107220] [2021-03-26 13:37:12,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:12,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:12,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753911116] [2021-03-26 13:37:12,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:12,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:12,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:12,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:12,660 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:12,660 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) [2021-03-26 13:37:12,660 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:12,660 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:12,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:13,356 INFO L129 PetriNetUnfolder]: 244/2516 cut-off events. [2021-03-26 13:37:13,356 INFO L130 PetriNetUnfolder]: For 161370/162060 co-relation queries the response was YES. [2021-03-26 13:37:13,377 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. [2021-03-26 13:37:13,382 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 154 selfloop transitions, 211 changer transitions 0/379 dead transitions. [2021-03-26 13:37:13,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 379 transitions, 13298 flow [2021-03-26 13:37:13,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:13,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:13,383 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:13,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:13,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:13,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:13,384 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) [2021-03-26 13:37:13,384 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) [2021-03-26 13:37:13,384 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) [2021-03-26 13:37:13,385 INFO L185 Difference]: Start difference. First operand has 293 places, 360 transitions, 11870 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:13,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 379 transitions, 13298 flow [2021-03-26 13:37:13,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 379 transitions, 12675 flow, removed 11 selfloop flow, removed 10 redundant places. [2021-03-26 13:37:13,857 INFO L241 Difference]: Finished difference. Result has 292 places, 363 transitions, 11795 flow [2021-03-26 13:37:13,857 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} [2021-03-26 13:37:13,857 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 254 predicate places. [2021-03-26 13:37:13,857 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:13,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 292 places, 363 transitions, 11795 flow [2021-03-26 13:37:13,858 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 292 places, 363 transitions, 11795 flow [2021-03-26 13:37:13,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 292 places, 363 transitions, 11795 flow [2021-03-26 13:37:14,185 INFO L129 PetriNetUnfolder]: 139/2313 cut-off events. [2021-03-26 13:37:14,186 INFO L130 PetriNetUnfolder]: For 150877/151229 co-relation queries the response was YES. [2021-03-26 13:37:14,207 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. [2021-03-26 13:37:14,229 INFO L142 LiptonReduction]: Number of co-enabled transitions 2514 [2021-03-26 13:37:14,250 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:14,250 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:14,250 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 393 [2021-03-26 13:37:14,251 INFO L480 AbstractCegarLoop]: Abstraction has has 292 places, 363 transitions, 11795 flow [2021-03-26 13:37:14,251 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) [2021-03-26 13:37:14,251 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:14,251 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:14,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 13:37:14,251 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]=== [2021-03-26 13:37:14,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:14,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1516166888, now seen corresponding path program 31 times [2021-03-26 13:37:14,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:14,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674058635] [2021-03-26 13:37:14,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:14,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:14,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:14,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:14,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:14,268 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:14,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:14,277 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:14,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:14,292 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:14,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:14,309 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:14,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:14,334 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:14,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:14,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674058635] [2021-03-26 13:37:14,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:14,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:14,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605012481] [2021-03-26 13:37:14,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:14,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:14,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:14,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:14,358 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:14,358 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) [2021-03-26 13:37:14,358 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:14,358 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:14,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:15,048 INFO L129 PetriNetUnfolder]: 244/2515 cut-off events. [2021-03-26 13:37:15,048 INFO L130 PetriNetUnfolder]: For 166123/166813 co-relation queries the response was YES. [2021-03-26 13:37:15,072 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. [2021-03-26 13:37:15,078 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 146 selfloop transitions, 219 changer transitions 0/379 dead transitions. [2021-03-26 13:37:15,078 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 379 transitions, 13145 flow [2021-03-26 13:37:15,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:15,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:15,079 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:15,079 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:15,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:15,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:15,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:15,080 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) [2021-03-26 13:37:15,081 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) [2021-03-26 13:37:15,081 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) [2021-03-26 13:37:15,081 INFO L185 Difference]: Start difference. First operand has 292 places, 363 transitions, 11795 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:15,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 379 transitions, 13145 flow [2021-03-26 13:37:15,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 379 transitions, 12756 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:15,938 INFO L241 Difference]: Finished difference. Result has 297 places, 375 transitions, 12316 flow [2021-03-26 13:37:15,938 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} [2021-03-26 13:37:15,939 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 259 predicate places. [2021-03-26 13:37:15,939 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:15,939 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 297 places, 375 transitions, 12316 flow [2021-03-26 13:37:15,939 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 297 places, 375 transitions, 12316 flow [2021-03-26 13:37:15,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 297 places, 375 transitions, 12316 flow [2021-03-26 13:37:16,273 INFO L129 PetriNetUnfolder]: 139/2312 cut-off events. [2021-03-26 13:37:16,273 INFO L130 PetriNetUnfolder]: For 158888/159231 co-relation queries the response was YES. [2021-03-26 13:37:16,296 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. [2021-03-26 13:37:16,318 INFO L142 LiptonReduction]: Number of co-enabled transitions 2616 [2021-03-26 13:37:16,341 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:16,341 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:16,341 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 402 [2021-03-26 13:37:16,342 INFO L480 AbstractCegarLoop]: Abstraction has has 297 places, 375 transitions, 12316 flow [2021-03-26 13:37:16,342 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) [2021-03-26 13:37:16,342 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:16,342 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:16,342 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 13:37:16,342 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]=== [2021-03-26 13:37:16,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:16,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1792424652, now seen corresponding path program 32 times [2021-03-26 13:37:16,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:16,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126490142] [2021-03-26 13:37:16,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:16,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:16,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:16,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:16,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:16,363 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:16,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:16,373 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:16,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:16,386 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:16,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:16,402 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:16,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:16,420 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:16,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:16,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:16,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126490142] [2021-03-26 13:37:16,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:16,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:16,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549051721] [2021-03-26 13:37:16,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:16,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:16,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:16,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:16,440 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:16,440 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) [2021-03-26 13:37:16,440 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:16,440 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:16,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:17,131 INFO L129 PetriNetUnfolder]: 244/2514 cut-off events. [2021-03-26 13:37:17,131 INFO L130 PetriNetUnfolder]: For 173746/174436 co-relation queries the response was YES. [2021-03-26 13:37:17,158 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. [2021-03-26 13:37:17,165 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 148 selfloop transitions, 217 changer transitions 0/379 dead transitions. [2021-03-26 13:37:17,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 379 transitions, 13294 flow [2021-03-26 13:37:17,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:17,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:17,166 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:17,166 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:17,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:17,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:17,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:17,167 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) [2021-03-26 13:37:17,168 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) [2021-03-26 13:37:17,168 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) [2021-03-26 13:37:17,168 INFO L185 Difference]: Start difference. First operand has 297 places, 375 transitions, 12316 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:17,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 379 transitions, 13294 flow [2021-03-26 13:37:17,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 379 transitions, 12962 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 13:37:17,772 INFO L241 Difference]: Finished difference. Result has 302 places, 375 transitions, 12421 flow [2021-03-26 13:37:17,772 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} [2021-03-26 13:37:17,772 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 264 predicate places. [2021-03-26 13:37:17,775 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:17,776 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 302 places, 375 transitions, 12421 flow [2021-03-26 13:37:17,777 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 302 places, 375 transitions, 12421 flow [2021-03-26 13:37:17,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 375 transitions, 12421 flow [2021-03-26 13:37:18,132 INFO L129 PetriNetUnfolder]: 139/2311 cut-off events. [2021-03-26 13:37:18,132 INFO L130 PetriNetUnfolder]: For 164690/165042 co-relation queries the response was YES. [2021-03-26 13:37:18,155 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. [2021-03-26 13:37:18,178 INFO L142 LiptonReduction]: Number of co-enabled transitions 2616 [2021-03-26 13:37:18,201 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:18,202 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:18,202 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 427 [2021-03-26 13:37:18,202 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 375 transitions, 12421 flow [2021-03-26 13:37:18,202 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) [2021-03-26 13:37:18,202 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:18,202 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:18,202 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 13:37:18,203 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]=== [2021-03-26 13:37:18,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:18,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1111898804, now seen corresponding path program 33 times [2021-03-26 13:37:18,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:18,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600609546] [2021-03-26 13:37:18,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:18,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:18,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:18,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:18,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:18,222 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:18,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:18,232 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:18,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:18,245 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:18,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:18,261 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:18,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:18,287 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:18,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:18,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:18,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600609546] [2021-03-26 13:37:18,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:18,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:18,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823697310] [2021-03-26 13:37:18,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:18,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:18,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:18,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:18,310 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:18,310 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) [2021-03-26 13:37:18,311 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:18,311 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:18,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:19,068 INFO L129 PetriNetUnfolder]: 244/2513 cut-off events. [2021-03-26 13:37:19,068 INFO L130 PetriNetUnfolder]: For 180415/181101 co-relation queries the response was YES. [2021-03-26 13:37:19,095 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. [2021-03-26 13:37:19,101 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 159 selfloop transitions, 212 changer transitions 0/385 dead transitions. [2021-03-26 13:37:19,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 385 transitions, 13639 flow [2021-03-26 13:37:19,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:19,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:19,102 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:19,102 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:19,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:19,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:19,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:19,103 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) [2021-03-26 13:37:19,104 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) [2021-03-26 13:37:19,104 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) [2021-03-26 13:37:19,104 INFO L185 Difference]: Start difference. First operand has 302 places, 375 transitions, 12421 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:19,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 385 transitions, 13639 flow [2021-03-26 13:37:19,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 385 transitions, 13226 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:19,699 INFO L241 Difference]: Finished difference. Result has 307 places, 378 transitions, 12604 flow [2021-03-26 13:37:19,699 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} [2021-03-26 13:37:19,699 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 269 predicate places. [2021-03-26 13:37:19,700 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:19,700 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 378 transitions, 12604 flow [2021-03-26 13:37:19,700 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 378 transitions, 12604 flow [2021-03-26 13:37:19,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 378 transitions, 12604 flow [2021-03-26 13:37:20,117 INFO L129 PetriNetUnfolder]: 139/2310 cut-off events. [2021-03-26 13:37:20,117 INFO L130 PetriNetUnfolder]: For 172040/172383 co-relation queries the response was YES. [2021-03-26 13:37:20,145 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. [2021-03-26 13:37:20,174 INFO L142 LiptonReduction]: Number of co-enabled transitions 2650 [2021-03-26 13:37:20,197 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:20,197 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:20,197 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 498 [2021-03-26 13:37:20,197 INFO L480 AbstractCegarLoop]: Abstraction has has 307 places, 378 transitions, 12604 flow [2021-03-26 13:37:20,197 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) [2021-03-26 13:37:20,197 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:20,198 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:20,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 13:37:20,198 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]=== [2021-03-26 13:37:20,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:20,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1093985606, now seen corresponding path program 34 times [2021-03-26 13:37:20,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:20,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801266199] [2021-03-26 13:37:20,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:20,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:20,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:20,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:20,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:20,217 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:20,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:20,226 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:20,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:20,239 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:20,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:20,258 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:20,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:20,280 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:20,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:20,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801266199] [2021-03-26 13:37:20,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:20,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:20,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955931091] [2021-03-26 13:37:20,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:20,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:20,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:20,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:20,305 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:20,306 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) [2021-03-26 13:37:20,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:20,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:20,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:21,010 INFO L129 PetriNetUnfolder]: 244/2512 cut-off events. [2021-03-26 13:37:21,010 INFO L130 PetriNetUnfolder]: For 187485/188179 co-relation queries the response was YES. [2021-03-26 13:37:21,040 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. [2021-03-26 13:37:21,046 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 165 selfloop transitions, 206 changer transitions 0/385 dead transitions. [2021-03-26 13:37:21,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 385 transitions, 13700 flow [2021-03-26 13:37:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:21,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:21,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:21,047 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:21,047 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:21,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:21,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:21,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:21,049 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) [2021-03-26 13:37:21,050 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) [2021-03-26 13:37:21,050 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) [2021-03-26 13:37:21,050 INFO L185 Difference]: Start difference. First operand has 307 places, 378 transitions, 12604 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:21,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 385 transitions, 13700 flow [2021-03-26 13:37:21,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 385 transitions, 13451 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 13:37:21,569 INFO L241 Difference]: Finished difference. Result has 313 places, 381 transitions, 12918 flow [2021-03-26 13:37:21,569 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} [2021-03-26 13:37:21,569 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 275 predicate places. [2021-03-26 13:37:21,569 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:21,569 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 313 places, 381 transitions, 12918 flow [2021-03-26 13:37:21,570 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 313 places, 381 transitions, 12918 flow [2021-03-26 13:37:21,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 313 places, 381 transitions, 12918 flow [2021-03-26 13:37:21,929 INFO L129 PetriNetUnfolder]: 139/2309 cut-off events. [2021-03-26 13:37:21,929 INFO L130 PetriNetUnfolder]: For 181477/181810 co-relation queries the response was YES. [2021-03-26 13:37:21,956 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. [2021-03-26 13:37:21,979 INFO L142 LiptonReduction]: Number of co-enabled transitions 2682 [2021-03-26 13:37:22,005 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:22,005 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:22,005 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 436 [2021-03-26 13:37:22,006 INFO L480 AbstractCegarLoop]: Abstraction has has 313 places, 381 transitions, 12918 flow [2021-03-26 13:37:22,006 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) [2021-03-26 13:37:22,006 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:22,006 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:22,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 13:37:22,006 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]=== [2021-03-26 13:37:22,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:22,006 INFO L82 PathProgramCache]: Analyzing trace with hash 768911008, now seen corresponding path program 35 times [2021-03-26 13:37:22,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:22,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973415238] [2021-03-26 13:37:22,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:22,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:22,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:22,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:22,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:22,023 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:22,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:22,031 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:22,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:22,043 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:22,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:22,063 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:22,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:22,090 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:22,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:22,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:22,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973415238] [2021-03-26 13:37:22,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:22,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:22,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567667551] [2021-03-26 13:37:22,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:22,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:22,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:22,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:22,112 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:22,113 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) [2021-03-26 13:37:22,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:22,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:22,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:22,774 INFO L129 PetriNetUnfolder]: 244/2511 cut-off events. [2021-03-26 13:37:22,774 INFO L130 PetriNetUnfolder]: For 196472/197186 co-relation queries the response was YES. [2021-03-26 13:37:22,800 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. [2021-03-26 13:37:22,806 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 167 selfloop transitions, 204 changer transitions 0/385 dead transitions. [2021-03-26 13:37:22,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 385 transitions, 13932 flow [2021-03-26 13:37:22,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:22,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:22,816 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:22,817 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:22,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:22,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:22,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:22,817 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) [2021-03-26 13:37:22,818 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) [2021-03-26 13:37:22,818 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) [2021-03-26 13:37:22,818 INFO L185 Difference]: Start difference. First operand has 313 places, 381 transitions, 12918 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:22,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 385 transitions, 13932 flow [2021-03-26 13:37:23,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 385 transitions, 13439 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 13:37:23,553 INFO L241 Difference]: Finished difference. Result has 315 places, 381 transitions, 12836 flow [2021-03-26 13:37:23,553 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} [2021-03-26 13:37:23,553 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 277 predicate places. [2021-03-26 13:37:23,553 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:23,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 315 places, 381 transitions, 12836 flow [2021-03-26 13:37:23,554 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 315 places, 381 transitions, 12836 flow [2021-03-26 13:37:23,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 381 transitions, 12836 flow [2021-03-26 13:37:23,924 INFO L129 PetriNetUnfolder]: 139/2308 cut-off events. [2021-03-26 13:37:23,924 INFO L130 PetriNetUnfolder]: For 186658/186999 co-relation queries the response was YES. [2021-03-26 13:37:23,950 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. [2021-03-26 13:37:23,973 INFO L142 LiptonReduction]: Number of co-enabled transitions 2682 [2021-03-26 13:37:23,996 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:23,996 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:23,996 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 443 [2021-03-26 13:37:23,997 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 381 transitions, 12836 flow [2021-03-26 13:37:23,997 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) [2021-03-26 13:37:23,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:23,997 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:23,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-26 13:37:23,997 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]=== [2021-03-26 13:37:23,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:23,997 INFO L82 PathProgramCache]: Analyzing trace with hash -854709530, now seen corresponding path program 36 times [2021-03-26 13:37:23,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:23,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90432371] [2021-03-26 13:37:23,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:24,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:24,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:24,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:24,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:24,014 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:37:24,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:37:24,023 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:37:24,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:37:24,034 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:24,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:24,050 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:24,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:24,072 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:24,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:24,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:24,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90432371] [2021-03-26 13:37:24,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:24,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:24,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567780946] [2021-03-26 13:37:24,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:24,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:24,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:24,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:24,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:24,094 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) [2021-03-26 13:37:24,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:24,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:24,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:24,804 INFO L129 PetriNetUnfolder]: 244/2510 cut-off events. [2021-03-26 13:37:24,805 INFO L130 PetriNetUnfolder]: For 202432/203138 co-relation queries the response was YES. [2021-03-26 13:37:24,838 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. [2021-03-26 13:37:24,844 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 138 selfloop transitions, 180 changer transitions 53/385 dead transitions. [2021-03-26 13:37:24,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 385 transitions, 13858 flow [2021-03-26 13:37:24,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:24,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:24,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:24,845 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:24,845 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:24,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:24,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:24,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:24,846 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) [2021-03-26 13:37:24,846 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) [2021-03-26 13:37:24,846 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) [2021-03-26 13:37:24,846 INFO L185 Difference]: Start difference. First operand has 315 places, 381 transitions, 12836 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:24,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 385 transitions, 13858 flow [2021-03-26 13:37:25,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 385 transitions, 13477 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:25,745 INFO L241 Difference]: Finished difference. Result has 319 places, 328 transitions, 10537 flow [2021-03-26 13:37:25,746 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} [2021-03-26 13:37:25,746 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 281 predicate places. [2021-03-26 13:37:25,746 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:25,746 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 319 places, 328 transitions, 10537 flow [2021-03-26 13:37:25,746 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 319 places, 328 transitions, 10537 flow [2021-03-26 13:37:25,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 295 places, 328 transitions, 10537 flow [2021-03-26 13:37:26,114 INFO L129 PetriNetUnfolder]: 138/2153 cut-off events. [2021-03-26 13:37:26,114 INFO L130 PetriNetUnfolder]: For 185364/185680 co-relation queries the response was YES. [2021-03-26 13:37:26,139 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. [2021-03-26 13:37:26,161 INFO L142 LiptonReduction]: Number of co-enabled transitions 2122 [2021-03-26 13:37:26,179 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:26,179 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:26,179 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 433 [2021-03-26 13:37:26,179 INFO L480 AbstractCegarLoop]: Abstraction has has 295 places, 328 transitions, 10537 flow [2021-03-26 13:37:26,179 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) [2021-03-26 13:37:26,179 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:26,179 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:26,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 13:37:26,180 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]=== [2021-03-26 13:37:26,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:26,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1024334096, now seen corresponding path program 37 times [2021-03-26 13:37:26,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:26,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302725718] [2021-03-26 13:37:26,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:26,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:26,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:26,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:26,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:26,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:26,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:26,206 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:26,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:26,227 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:37:26,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:37:26,258 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:26,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:26,285 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:26,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:26,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:26,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302725718] [2021-03-26 13:37:26,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:26,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:26,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672303564] [2021-03-26 13:37:26,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:26,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:26,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:26,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:26,312 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:26,313 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) [2021-03-26 13:37:26,313 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:26,313 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:26,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:26,961 INFO L129 PetriNetUnfolder]: 244/2515 cut-off events. [2021-03-26 13:37:26,961 INFO L130 PetriNetUnfolder]: For 214551/214987 co-relation queries the response was YES. [2021-03-26 13:37:26,987 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. [2021-03-26 13:37:26,993 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 252 selfloop transitions, 121 changer transitions 1/388 dead transitions. [2021-03-26 13:37:26,993 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 388 transitions, 13303 flow [2021-03-26 13:37:26,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:26,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:26,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:26,994 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:26,994 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:26,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:26,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:26,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:26,995 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) [2021-03-26 13:37:26,995 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) [2021-03-26 13:37:26,995 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) [2021-03-26 13:37:26,995 INFO L185 Difference]: Start difference. First operand has 295 places, 328 transitions, 10537 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:26,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 388 transitions, 13303 flow [2021-03-26 13:37:27,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 388 transitions, 12545 flow, removed 135 selfloop flow, removed 41 redundant places. [2021-03-26 13:37:27,469 INFO L241 Difference]: Finished difference. Result has 266 places, 341 transitions, 10790 flow [2021-03-26 13:37:27,470 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} [2021-03-26 13:37:27,470 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 228 predicate places. [2021-03-26 13:37:27,470 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:27,470 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 266 places, 341 transitions, 10790 flow [2021-03-26 13:37:27,470 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 266 places, 341 transitions, 10790 flow [2021-03-26 13:37:27,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 341 transitions, 10790 flow [2021-03-26 13:37:27,771 INFO L129 PetriNetUnfolder]: 148/2310 cut-off events. [2021-03-26 13:37:27,771 INFO L130 PetriNetUnfolder]: For 73904/74324 co-relation queries the response was YES. [2021-03-26 13:37:27,792 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. [2021-03-26 13:37:27,814 INFO L142 LiptonReduction]: Number of co-enabled transitions 2266 [2021-03-26 13:37:27,834 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:27,834 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:27,834 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 364 [2021-03-26 13:37:27,835 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 341 transitions, 10790 flow [2021-03-26 13:37:27,835 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) [2021-03-26 13:37:27,835 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:27,835 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:27,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-26 13:37:27,835 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]=== [2021-03-26 13:37:27,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:27,835 INFO L82 PathProgramCache]: Analyzing trace with hash -433736442, now seen corresponding path program 38 times [2021-03-26 13:37:27,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:27,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131575597] [2021-03-26 13:37:27,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:27,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:27,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:27,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:27,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:27,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:27,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:27,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:27,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:27,872 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:27,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:27,888 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:27,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:27,911 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:27,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:27,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:27,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131575597] [2021-03-26 13:37:27,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:27,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:27,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47138203] [2021-03-26 13:37:27,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:27,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:27,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:27,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:27,932 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:27,932 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) [2021-03-26 13:37:27,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:27,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:27,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:28,492 INFO L129 PetriNetUnfolder]: 243/2518 cut-off events. [2021-03-26 13:37:28,493 INFO L130 PetriNetUnfolder]: For 83397/83833 co-relation queries the response was YES. [2021-03-26 13:37:28,514 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. [2021-03-26 13:37:28,519 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 196 selfloop transitions, 151 changer transitions 2/363 dead transitions. [2021-03-26 13:37:28,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 363 transitions, 12116 flow [2021-03-26 13:37:28,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:28,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:28,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:28,520 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:28,520 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:28,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:28,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:28,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:28,521 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) [2021-03-26 13:37:28,521 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) [2021-03-26 13:37:28,521 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) [2021-03-26 13:37:28,521 INFO L185 Difference]: Start difference. First operand has 265 places, 341 transitions, 10790 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:28,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 363 transitions, 12116 flow [2021-03-26 13:37:28,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 363 transitions, 12052 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-03-26 13:37:28,839 INFO L241 Difference]: Finished difference. Result has 274 places, 345 transitions, 11205 flow [2021-03-26 13:37:28,839 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} [2021-03-26 13:37:28,839 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 236 predicate places. [2021-03-26 13:37:28,839 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:28,839 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 274 places, 345 transitions, 11205 flow [2021-03-26 13:37:28,840 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 274 places, 345 transitions, 11205 flow [2021-03-26 13:37:28,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 345 transitions, 11205 flow [2021-03-26 13:37:29,156 INFO L129 PetriNetUnfolder]: 148/2311 cut-off events. [2021-03-26 13:37:29,156 INFO L130 PetriNetUnfolder]: For 77139/77513 co-relation queries the response was YES. [2021-03-26 13:37:29,178 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. [2021-03-26 13:37:29,200 INFO L142 LiptonReduction]: Number of co-enabled transitions 2314 [2021-03-26 13:37:29,221 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:29,221 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:29,221 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 382 [2021-03-26 13:37:29,222 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 345 transitions, 11205 flow [2021-03-26 13:37:29,222 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) [2021-03-26 13:37:29,222 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:29,222 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:29,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 13:37:29,222 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]=== [2021-03-26 13:37:29,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:29,223 INFO L82 PathProgramCache]: Analyzing trace with hash 703165622, now seen corresponding path program 39 times [2021-03-26 13:37:29,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:29,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728404232] [2021-03-26 13:37:29,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:29,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:29,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:29,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:29,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:29,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:29,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:29,247 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:29,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:29,268 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:37:29,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:37:29,293 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:29,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:29,314 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:29,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:29,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728404232] [2021-03-26 13:37:29,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:29,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:29,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600572926] [2021-03-26 13:37:29,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:29,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:29,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:29,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:29,339 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:29,339 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) [2021-03-26 13:37:29,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:29,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:29,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:30,117 INFO L129 PetriNetUnfolder]: 243/2546 cut-off events. [2021-03-26 13:37:30,117 INFO L130 PetriNetUnfolder]: For 88516/88929 co-relation queries the response was YES. [2021-03-26 13:37:30,152 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. [2021-03-26 13:37:30,159 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 223 selfloop transitions, 154 changer transitions 1/392 dead transitions. [2021-03-26 13:37:30,160 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 392 transitions, 13507 flow [2021-03-26 13:37:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:30,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:30,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:30,161 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:30,161 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:30,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:30,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:30,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:30,162 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) [2021-03-26 13:37:30,163 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) [2021-03-26 13:37:30,163 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) [2021-03-26 13:37:30,163 INFO L185 Difference]: Start difference. First operand has 273 places, 345 transitions, 11205 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:30,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 392 transitions, 13507 flow [2021-03-26 13:37:30,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 392 transitions, 13323 flow, removed 19 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:30,598 INFO L241 Difference]: Finished difference. Result has 281 places, 362 transitions, 12107 flow [2021-03-26 13:37:30,599 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} [2021-03-26 13:37:30,599 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 243 predicate places. [2021-03-26 13:37:30,599 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:30,599 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 362 transitions, 12107 flow [2021-03-26 13:37:30,599 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 362 transitions, 12107 flow [2021-03-26 13:37:30,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 280 places, 362 transitions, 12107 flow [2021-03-26 13:37:30,943 INFO L129 PetriNetUnfolder]: 151/2346 cut-off events. [2021-03-26 13:37:30,943 INFO L130 PetriNetUnfolder]: For 83345/83726 co-relation queries the response was YES. [2021-03-26 13:37:30,960 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. [2021-03-26 13:37:30,980 INFO L142 LiptonReduction]: Number of co-enabled transitions 2508 [2021-03-26 13:37:31,000 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:31,000 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:31,000 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 401 [2021-03-26 13:37:31,000 INFO L480 AbstractCegarLoop]: Abstraction has has 280 places, 362 transitions, 12107 flow [2021-03-26 13:37:31,000 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) [2021-03-26 13:37:31,001 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:31,001 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:31,001 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-26 13:37:31,001 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]=== [2021-03-26 13:37:31,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:31,001 INFO L82 PathProgramCache]: Analyzing trace with hash -705201464, now seen corresponding path program 40 times [2021-03-26 13:37:31,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:31,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807201603] [2021-03-26 13:37:31,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:31,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:31,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:31,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:31,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:31,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:31,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:31,026 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:31,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:31,039 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:31,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:31,057 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:31,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:31,087 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:31,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:31,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807201603] [2021-03-26 13:37:31,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:31,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:31,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365436435] [2021-03-26 13:37:31,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:31,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:31,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:31,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:31,107 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:31,107 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) [2021-03-26 13:37:31,107 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:31,107 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:31,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:31,688 INFO L129 PetriNetUnfolder]: 242/2537 cut-off events. [2021-03-26 13:37:31,689 INFO L130 PetriNetUnfolder]: For 93197/93610 co-relation queries the response was YES. [2021-03-26 13:37:31,712 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. [2021-03-26 13:37:31,717 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 189 selfloop transitions, 167 changer transitions 0/370 dead transitions. [2021-03-26 13:37:31,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 370 transitions, 13046 flow [2021-03-26 13:37:31,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:31,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:31,719 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:31,719 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:31,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:31,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:31,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:31,719 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) [2021-03-26 13:37:31,720 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) [2021-03-26 13:37:31,720 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) [2021-03-26 13:37:31,720 INFO L185 Difference]: Start difference. First operand has 280 places, 362 transitions, 12107 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:31,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 370 transitions, 13046 flow [2021-03-26 13:37:32,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 370 transitions, 12754 flow, removed 23 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:32,089 INFO L241 Difference]: Finished difference. Result has 284 places, 362 transitions, 12160 flow [2021-03-26 13:37:32,089 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} [2021-03-26 13:37:32,089 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 246 predicate places. [2021-03-26 13:37:32,090 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:32,090 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 284 places, 362 transitions, 12160 flow [2021-03-26 13:37:32,090 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 284 places, 362 transitions, 12160 flow [2021-03-26 13:37:32,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 284 places, 362 transitions, 12160 flow [2021-03-26 13:37:32,455 INFO L129 PetriNetUnfolder]: 151/2345 cut-off events. [2021-03-26 13:37:32,456 INFO L130 PetriNetUnfolder]: For 81500/81983 co-relation queries the response was YES. [2021-03-26 13:37:32,478 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. [2021-03-26 13:37:32,501 INFO L142 LiptonReduction]: Number of co-enabled transitions 2508 [2021-03-26 13:37:32,523 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:32,523 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:32,523 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 433 [2021-03-26 13:37:32,524 INFO L480 AbstractCegarLoop]: Abstraction has has 284 places, 362 transitions, 12160 flow [2021-03-26 13:37:32,524 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) [2021-03-26 13:37:32,524 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:32,524 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:32,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-26 13:37:32,524 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]=== [2021-03-26 13:37:32,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:32,524 INFO L82 PathProgramCache]: Analyzing trace with hash 184289042, now seen corresponding path program 41 times [2021-03-26 13:37:32,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:32,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676108963] [2021-03-26 13:37:32,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:32,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:32,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:32,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:32,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:32,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:32,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:32,549 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:32,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:32,562 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:32,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:32,580 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:32,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:32,605 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:32,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:32,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676108963] [2021-03-26 13:37:32,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:32,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:32,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938567175] [2021-03-26 13:37:32,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:32,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:32,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:32,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:32,626 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:32,626 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) [2021-03-26 13:37:32,626 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:32,626 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:32,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:33,217 INFO L129 PetriNetUnfolder]: 242/2536 cut-off events. [2021-03-26 13:37:33,217 INFO L130 PetriNetUnfolder]: For 91202/91615 co-relation queries the response was YES. [2021-03-26 13:37:33,241 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. [2021-03-26 13:37:33,247 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 191 selfloop transitions, 165 changer transitions 0/370 dead transitions. [2021-03-26 13:37:33,247 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 370 transitions, 13099 flow [2021-03-26 13:37:33,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:33,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:33,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:33,248 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:33,248 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:33,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:33,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:33,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:33,248 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) [2021-03-26 13:37:33,249 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) [2021-03-26 13:37:33,249 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) [2021-03-26 13:37:33,249 INFO L185 Difference]: Start difference. First operand has 284 places, 362 transitions, 12160 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:33,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 370 transitions, 13099 flow [2021-03-26 13:37:33,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 370 transitions, 12774 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:33,660 INFO L241 Difference]: Finished difference. Result has 288 places, 362 transitions, 12168 flow [2021-03-26 13:37:33,660 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} [2021-03-26 13:37:33,660 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 250 predicate places. [2021-03-26 13:37:33,660 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:33,660 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 288 places, 362 transitions, 12168 flow [2021-03-26 13:37:33,661 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 288 places, 362 transitions, 12168 flow [2021-03-26 13:37:33,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 288 places, 362 transitions, 12168 flow [2021-03-26 13:37:33,983 INFO L129 PetriNetUnfolder]: 151/2344 cut-off events. [2021-03-26 13:37:33,983 INFO L130 PetriNetUnfolder]: For 83741/84110 co-relation queries the response was YES. [2021-03-26 13:37:34,007 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. [2021-03-26 13:37:34,029 INFO L142 LiptonReduction]: Number of co-enabled transitions 2508 [2021-03-26 13:37:34,049 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:34,050 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:34,050 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 390 [2021-03-26 13:37:34,050 INFO L480 AbstractCegarLoop]: Abstraction has has 288 places, 362 transitions, 12168 flow [2021-03-26 13:37:34,050 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) [2021-03-26 13:37:34,050 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:34,050 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:34,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-26 13:37:34,051 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]=== [2021-03-26 13:37:34,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:34,051 INFO L82 PathProgramCache]: Analyzing trace with hash -215487928, now seen corresponding path program 42 times [2021-03-26 13:37:34,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:34,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642637493] [2021-03-26 13:37:34,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:34,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:34,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:34,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:34,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:34,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:34,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:34,074 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:34,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:34,086 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:34,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:34,103 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:34,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:34,129 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:34,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:34,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:34,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642637493] [2021-03-26 13:37:34,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:34,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:34,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466628382] [2021-03-26 13:37:34,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:34,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:34,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:34,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:34,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:34,148 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) [2021-03-26 13:37:34,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:34,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:34,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:34,741 INFO L129 PetriNetUnfolder]: 242/2535 cut-off events. [2021-03-26 13:37:34,742 INFO L130 PetriNetUnfolder]: For 94062/94477 co-relation queries the response was YES. [2021-03-26 13:37:34,765 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. [2021-03-26 13:37:34,771 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 190 selfloop transitions, 166 changer transitions 0/370 dead transitions. [2021-03-26 13:37:34,772 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 370 transitions, 13115 flow [2021-03-26 13:37:34,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:34,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:34,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:34,772 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:34,772 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:34,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:34,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:34,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:34,773 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) [2021-03-26 13:37:34,774 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) [2021-03-26 13:37:34,774 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) [2021-03-26 13:37:34,774 INFO L185 Difference]: Start difference. First operand has 288 places, 362 transitions, 12168 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:34,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 370 transitions, 13115 flow [2021-03-26 13:37:35,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 370 transitions, 12840 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-26 13:37:35,320 INFO L241 Difference]: Finished difference. Result has 294 places, 363 transitions, 12284 flow [2021-03-26 13:37:35,320 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} [2021-03-26 13:37:35,321 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 256 predicate places. [2021-03-26 13:37:35,321 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:35,321 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 294 places, 363 transitions, 12284 flow [2021-03-26 13:37:35,321 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 294 places, 363 transitions, 12284 flow [2021-03-26 13:37:35,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 294 places, 363 transitions, 12284 flow [2021-03-26 13:37:35,657 INFO L129 PetriNetUnfolder]: 151/2343 cut-off events. [2021-03-26 13:37:35,657 INFO L130 PetriNetUnfolder]: For 86634/87062 co-relation queries the response was YES. [2021-03-26 13:37:35,680 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. [2021-03-26 13:37:35,707 INFO L142 LiptonReduction]: Number of co-enabled transitions 2522 [2021-03-26 13:37:35,729 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:35,729 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:35,729 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 408 [2021-03-26 13:37:35,729 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 363 transitions, 12284 flow [2021-03-26 13:37:35,730 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) [2021-03-26 13:37:35,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:35,730 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:35,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 13:37:35,730 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]=== [2021-03-26 13:37:35,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:35,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1998116454, now seen corresponding path program 43 times [2021-03-26 13:37:35,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:35,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380824312] [2021-03-26 13:37:35,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:35,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:35,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:35,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:35,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:35,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:35,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:35,757 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:35,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:35,770 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:35,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:35,786 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:35,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:35,808 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:35,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:35,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:35,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380824312] [2021-03-26 13:37:35,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:35,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:35,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906405434] [2021-03-26 13:37:35,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:35,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:35,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:35,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:35,830 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:35,830 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) [2021-03-26 13:37:35,831 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:35,831 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:35,831 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:36,446 INFO L129 PetriNetUnfolder]: 242/2534 cut-off events. [2021-03-26 13:37:36,446 INFO L130 PetriNetUnfolder]: For 97356/97771 co-relation queries the response was YES. [2021-03-26 13:37:36,470 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. [2021-03-26 13:37:36,476 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 187 selfloop transitions, 169 changer transitions 0/370 dead transitions. [2021-03-26 13:37:36,476 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 370 transitions, 13200 flow [2021-03-26 13:37:36,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:36,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:36,477 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:36,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:36,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:36,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:36,477 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) [2021-03-26 13:37:36,478 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) [2021-03-26 13:37:36,478 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) [2021-03-26 13:37:36,478 INFO L185 Difference]: Start difference. First operand has 294 places, 363 transitions, 12284 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:36,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 370 transitions, 13200 flow [2021-03-26 13:37:36,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 370 transitions, 12880 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:36,904 INFO L241 Difference]: Finished difference. Result has 299 places, 364 transitions, 12401 flow [2021-03-26 13:37:36,904 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} [2021-03-26 13:37:36,904 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 261 predicate places. [2021-03-26 13:37:36,905 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:36,905 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 299 places, 364 transitions, 12401 flow [2021-03-26 13:37:36,905 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 299 places, 364 transitions, 12401 flow [2021-03-26 13:37:36,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 364 transitions, 12401 flow [2021-03-26 13:37:37,245 INFO L129 PetriNetUnfolder]: 151/2342 cut-off events. [2021-03-26 13:37:37,245 INFO L130 PetriNetUnfolder]: For 91363/91756 co-relation queries the response was YES. [2021-03-26 13:37:37,266 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. [2021-03-26 13:37:37,289 INFO L142 LiptonReduction]: Number of co-enabled transitions 2536 [2021-03-26 13:37:37,311 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:37,311 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:37,311 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 406 [2021-03-26 13:37:37,312 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 364 transitions, 12401 flow [2021-03-26 13:37:37,312 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) [2021-03-26 13:37:37,312 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:37,312 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:37,312 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-26 13:37:37,312 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]=== [2021-03-26 13:37:37,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:37,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1552148344, now seen corresponding path program 44 times [2021-03-26 13:37:37,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:37,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303021656] [2021-03-26 13:37:37,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:37,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:37,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:37,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:37,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:37,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:37,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:37,336 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:37:37,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:37:37,348 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:37,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:37,366 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:37,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:37,386 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:37,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:37,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:37,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303021656] [2021-03-26 13:37:37,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:37,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:37,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300059191] [2021-03-26 13:37:37,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:37,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:37,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:37,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:37,410 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:37,410 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) [2021-03-26 13:37:37,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:37,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:37,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:38,043 INFO L129 PetriNetUnfolder]: 242/2533 cut-off events. [2021-03-26 13:37:38,044 INFO L130 PetriNetUnfolder]: For 101965/102454 co-relation queries the response was YES. [2021-03-26 13:37:38,068 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. [2021-03-26 13:37:38,074 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 185 selfloop transitions, 163 changer transitions 8/370 dead transitions. [2021-03-26 13:37:38,075 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 370 transitions, 13289 flow [2021-03-26 13:37:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:38,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:38,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:38,076 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:38,076 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:38,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:38,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:38,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:38,077 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) [2021-03-26 13:37:38,077 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) [2021-03-26 13:37:38,077 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) [2021-03-26 13:37:38,077 INFO L185 Difference]: Start difference. First operand has 299 places, 364 transitions, 12401 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:38,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 370 transitions, 13289 flow [2021-03-26 13:37:38,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 370 transitions, 13024 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-26 13:37:38,531 INFO L241 Difference]: Finished difference. Result has 304 places, 356 transitions, 12087 flow [2021-03-26 13:37:38,531 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} [2021-03-26 13:37:38,531 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 266 predicate places. [2021-03-26 13:37:38,531 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:38,531 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 304 places, 356 transitions, 12087 flow [2021-03-26 13:37:38,532 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 304 places, 356 transitions, 12087 flow [2021-03-26 13:37:38,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 356 transitions, 12087 flow [2021-03-26 13:37:38,870 INFO L129 PetriNetUnfolder]: 150/2304 cut-off events. [2021-03-26 13:37:38,871 INFO L130 PetriNetUnfolder]: For 91968/92386 co-relation queries the response was YES. [2021-03-26 13:37:38,895 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. [2021-03-26 13:37:38,919 INFO L142 LiptonReduction]: Number of co-enabled transitions 2438 [2021-03-26 13:37:38,939 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:38,939 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:38,940 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 409 [2021-03-26 13:37:38,940 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 356 transitions, 12087 flow [2021-03-26 13:37:38,940 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) [2021-03-26 13:37:38,940 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:38,940 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:38,940 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-26 13:37:38,940 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]=== [2021-03-26 13:37:38,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:38,940 INFO L82 PathProgramCache]: Analyzing trace with hash -669860520, now seen corresponding path program 45 times [2021-03-26 13:37:38,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:38,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534811233] [2021-03-26 13:37:38,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:38,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:38,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:38,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:38,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:38,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:38,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:38,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:38,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:38,984 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:37:38,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:37:39,012 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:39,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:39,041 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:39,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:39,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534811233] [2021-03-26 13:37:39,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:39,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:39,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776711026] [2021-03-26 13:37:39,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:39,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:39,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:39,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:39,063 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:39,063 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) [2021-03-26 13:37:39,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:39,064 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:39,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:39,735 INFO L129 PetriNetUnfolder]: 241/2495 cut-off events. [2021-03-26 13:37:39,735 INFO L130 PetriNetUnfolder]: For 102976/103352 co-relation queries the response was YES. [2021-03-26 13:37:39,759 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. [2021-03-26 13:37:39,765 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 201 selfloop transitions, 151 changer transitions 2/368 dead transitions. [2021-03-26 13:37:39,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 368 transitions, 13202 flow [2021-03-26 13:37:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:39,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:39,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:39,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:39,766 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:39,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:39,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:39,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:39,767 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) [2021-03-26 13:37:39,767 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) [2021-03-26 13:37:39,767 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) [2021-03-26 13:37:39,767 INFO L185 Difference]: Start difference. First operand has 298 places, 356 transitions, 12087 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:39,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 368 transitions, 13202 flow [2021-03-26 13:37:40,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 368 transitions, 12826 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-03-26 13:37:40,147 INFO L241 Difference]: Finished difference. Result has 298 places, 357 transitions, 12153 flow [2021-03-26 13:37:40,148 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} [2021-03-26 13:37:40,148 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 260 predicate places. [2021-03-26 13:37:40,148 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:40,148 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 357 transitions, 12153 flow [2021-03-26 13:37:40,148 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 357 transitions, 12153 flow [2021-03-26 13:37:40,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 297 places, 357 transitions, 12153 flow [2021-03-26 13:37:40,457 INFO L129 PetriNetUnfolder]: 149/2294 cut-off events. [2021-03-26 13:37:40,457 INFO L130 PetriNetUnfolder]: For 77882/78307 co-relation queries the response was YES. [2021-03-26 13:37:40,478 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. [2021-03-26 13:37:40,500 INFO L142 LiptonReduction]: Number of co-enabled transitions 2454 [2021-03-26 13:37:40,520 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:40,520 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:40,520 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 372 [2021-03-26 13:37:40,521 INFO L480 AbstractCegarLoop]: Abstraction has has 297 places, 357 transitions, 12153 flow [2021-03-26 13:37:40,521 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) [2021-03-26 13:37:40,521 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:40,521 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:40,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-26 13:37:40,521 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]=== [2021-03-26 13:37:40,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:40,521 INFO L82 PathProgramCache]: Analyzing trace with hash 2117147140, now seen corresponding path program 46 times [2021-03-26 13:37:40,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:40,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009152324] [2021-03-26 13:37:40,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:40,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:40,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:40,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:40,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:40,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:40,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:40,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:40,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:40,556 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:37:40,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:40,584 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:40,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:40,605 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:40,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:40,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:40,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009152324] [2021-03-26 13:37:40,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:40,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:40,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321825998] [2021-03-26 13:37:40,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:40,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:40,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:40,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:40,627 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:40,628 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) [2021-03-26 13:37:40,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:40,628 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:40,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:41,336 INFO L129 PetriNetUnfolder]: 239/2695 cut-off events. [2021-03-26 13:37:41,336 INFO L130 PetriNetUnfolder]: For 94066/94444 co-relation queries the response was YES. [2021-03-26 13:37:41,358 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. [2021-03-26 13:37:41,363 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 293 selfloop transitions, 127 changer transitions 2/436 dead transitions. [2021-03-26 13:37:41,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 436 transitions, 15764 flow [2021-03-26 13:37:41,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:41,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:41,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:41,364 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:41,364 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:41,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:41,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:41,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:41,365 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) [2021-03-26 13:37:41,365 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) [2021-03-26 13:37:41,365 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) [2021-03-26 13:37:41,365 INFO L185 Difference]: Start difference. First operand has 297 places, 357 transitions, 12153 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:41,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 436 transitions, 15764 flow [2021-03-26 13:37:41,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 436 transitions, 15437 flow, removed 22 selfloop flow, removed 6 redundant places. [2021-03-26 13:37:41,775 INFO L241 Difference]: Finished difference. Result has 303 places, 373 transitions, 12848 flow [2021-03-26 13:37:41,775 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} [2021-03-26 13:37:41,776 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 265 predicate places. [2021-03-26 13:37:41,776 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:41,776 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 373 transitions, 12848 flow [2021-03-26 13:37:41,776 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 373 transitions, 12848 flow [2021-03-26 13:37:41,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 373 transitions, 12848 flow [2021-03-26 13:37:42,140 INFO L129 PetriNetUnfolder]: 165/2552 cut-off events. [2021-03-26 13:37:42,140 INFO L130 PetriNetUnfolder]: For 90321/90550 co-relation queries the response was YES. [2021-03-26 13:37:42,165 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. [2021-03-26 13:37:42,191 INFO L142 LiptonReduction]: Number of co-enabled transitions 2588 [2021-03-26 13:37:42,213 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:42,213 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:42,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 437 [2021-03-26 13:37:42,213 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 373 transitions, 12848 flow [2021-03-26 13:37:42,213 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) [2021-03-26 13:37:42,213 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:42,214 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:42,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-26 13:37:42,214 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]=== [2021-03-26 13:37:42,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:42,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1351111734, now seen corresponding path program 47 times [2021-03-26 13:37:42,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:42,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205375532] [2021-03-26 13:37:42,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:42,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:42,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:42,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:42,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:42,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:42,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:42,243 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:42,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:42,264 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:37:42,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:42,292 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:42,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:42,313 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:42,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:42,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205375532] [2021-03-26 13:37:42,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:42,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:42,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242062198] [2021-03-26 13:37:42,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:42,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:42,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:42,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:42,336 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:42,336 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) [2021-03-26 13:37:42,336 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:42,336 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:42,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:43,014 INFO L129 PetriNetUnfolder]: 237/2723 cut-off events. [2021-03-26 13:37:43,015 INFO L130 PetriNetUnfolder]: For 98988/99409 co-relation queries the response was YES. [2021-03-26 13:37:43,041 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. [2021-03-26 13:37:43,047 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 219 selfloop transitions, 166 changer transitions 2/401 dead transitions. [2021-03-26 13:37:43,047 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 401 transitions, 14590 flow [2021-03-26 13:37:43,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:43,048 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:43,048 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:43,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:43,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:43,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:43,049 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) [2021-03-26 13:37:43,049 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) [2021-03-26 13:37:43,049 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) [2021-03-26 13:37:43,049 INFO L185 Difference]: Start difference. First operand has 302 places, 373 transitions, 12848 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:43,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 401 transitions, 14590 flow [2021-03-26 13:37:43,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 401 transitions, 14437 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:43,534 INFO L241 Difference]: Finished difference. Result has 309 places, 377 transitions, 13274 flow [2021-03-26 13:37:43,535 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} [2021-03-26 13:37:43,535 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 271 predicate places. [2021-03-26 13:37:43,535 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:43,535 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 309 places, 377 transitions, 13274 flow [2021-03-26 13:37:43,535 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 309 places, 377 transitions, 13274 flow [2021-03-26 13:37:43,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 308 places, 377 transitions, 13274 flow [2021-03-26 13:37:43,931 INFO L129 PetriNetUnfolder]: 167/2588 cut-off events. [2021-03-26 13:37:43,931 INFO L130 PetriNetUnfolder]: For 94159/94406 co-relation queries the response was YES. [2021-03-26 13:37:43,960 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. [2021-03-26 13:37:43,985 INFO L142 LiptonReduction]: Number of co-enabled transitions 2638 [2021-03-26 13:37:44,006 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:44,007 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:44,007 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 472 [2021-03-26 13:37:44,007 INFO L480 AbstractCegarLoop]: Abstraction has has 308 places, 377 transitions, 13274 flow [2021-03-26 13:37:44,007 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) [2021-03-26 13:37:44,007 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:44,007 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:44,007 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-26 13:37:44,007 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]=== [2021-03-26 13:37:44,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:44,008 INFO L82 PathProgramCache]: Analyzing trace with hash 977850520, now seen corresponding path program 48 times [2021-03-26 13:37:44,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:44,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390959079] [2021-03-26 13:37:44,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:44,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:44,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:44,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:44,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:44,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:44,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:44,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:44,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:44,044 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:37:44,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:44,072 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:44,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:44,093 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:44,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:44,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390959079] [2021-03-26 13:37:44,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:44,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:44,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623829682] [2021-03-26 13:37:44,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:44,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:44,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:44,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:44,114 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:44,114 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) [2021-03-26 13:37:44,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:44,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:44,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:44,788 INFO L129 PetriNetUnfolder]: 236/2713 cut-off events. [2021-03-26 13:37:44,788 INFO L130 PetriNetUnfolder]: For 101199/101593 co-relation queries the response was YES. [2021-03-26 13:37:44,814 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. [2021-03-26 13:37:44,820 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 246 selfloop transitions, 157 changer transitions 2/419 dead transitions. [2021-03-26 13:37:44,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 419 transitions, 15589 flow [2021-03-26 13:37:44,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:44,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:44,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:44,821 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:44,821 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:44,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:44,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:44,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:44,822 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) [2021-03-26 13:37:44,822 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) [2021-03-26 13:37:44,823 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) [2021-03-26 13:37:44,823 INFO L185 Difference]: Start difference. First operand has 308 places, 377 transitions, 13274 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:44,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 419 transitions, 15589 flow [2021-03-26 13:37:45,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 419 transitions, 15404 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:45,285 INFO L241 Difference]: Finished difference. Result has 316 places, 391 transitions, 14134 flow [2021-03-26 13:37:45,286 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} [2021-03-26 13:37:45,286 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 278 predicate places. [2021-03-26 13:37:45,286 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:45,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 316 places, 391 transitions, 14134 flow [2021-03-26 13:37:45,286 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 316 places, 391 transitions, 14134 flow [2021-03-26 13:37:45,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 391 transitions, 14134 flow [2021-03-26 13:37:45,670 INFO L129 PetriNetUnfolder]: 166/2578 cut-off events. [2021-03-26 13:37:45,670 INFO L130 PetriNetUnfolder]: For 100481/100696 co-relation queries the response was YES. [2021-03-26 13:37:45,696 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. [2021-03-26 13:37:45,723 INFO L142 LiptonReduction]: Number of co-enabled transitions 2776 [2021-03-26 13:37:45,748 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:45,748 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:45,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 463 [2021-03-26 13:37:45,749 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 391 transitions, 14134 flow [2021-03-26 13:37:45,749 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) [2021-03-26 13:37:45,749 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:45,749 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:45,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-26 13:37:45,749 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]=== [2021-03-26 13:37:45,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:45,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1740840540, now seen corresponding path program 49 times [2021-03-26 13:37:45,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:45,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286135506] [2021-03-26 13:37:45,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:45,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:45,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:45,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:45,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:45,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:45,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:45,774 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:45,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:45,795 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:37:45,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:37:45,820 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:45,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:45,843 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:45,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:45,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286135506] [2021-03-26 13:37:45,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:45,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:45,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601646782] [2021-03-26 13:37:45,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:45,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:45,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:45,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:45,866 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:45,867 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) [2021-03-26 13:37:45,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:45,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:45,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:46,606 INFO L129 PetriNetUnfolder]: 235/2703 cut-off events. [2021-03-26 13:37:46,606 INFO L130 PetriNetUnfolder]: For 107510/107992 co-relation queries the response was YES. [2021-03-26 13:37:46,632 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. [2021-03-26 13:37:46,638 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 218 selfloop transitions, 176 changer transitions 3/411 dead transitions. [2021-03-26 13:37:46,638 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 411 transitions, 15626 flow [2021-03-26 13:37:46,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:46,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:46,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:46,639 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:46,639 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:46,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:46,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:46,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:46,639 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) [2021-03-26 13:37:46,640 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) [2021-03-26 13:37:46,640 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) [2021-03-26 13:37:46,640 INFO L185 Difference]: Start difference. First operand has 315 places, 391 transitions, 14134 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:46,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 411 transitions, 15626 flow [2021-03-26 13:37:47,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 411 transitions, 15430 flow, removed 24 selfloop flow, removed 4 redundant places. [2021-03-26 13:37:47,175 INFO L241 Difference]: Finished difference. Result has 320 places, 390 transitions, 14290 flow [2021-03-26 13:37:47,176 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} [2021-03-26 13:37:47,176 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 282 predicate places. [2021-03-26 13:37:47,176 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:47,176 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 390 transitions, 14290 flow [2021-03-26 13:37:47,176 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 390 transitions, 14290 flow [2021-03-26 13:37:47,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 319 places, 390 transitions, 14290 flow [2021-03-26 13:37:47,571 INFO L129 PetriNetUnfolder]: 165/2566 cut-off events. [2021-03-26 13:37:47,571 INFO L130 PetriNetUnfolder]: For 100029/100254 co-relation queries the response was YES. [2021-03-26 13:37:47,606 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. [2021-03-26 13:37:47,633 INFO L142 LiptonReduction]: Number of co-enabled transitions 2760 [2021-03-26 13:37:47,657 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:47,658 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:47,658 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 482 [2021-03-26 13:37:47,658 INFO L480 AbstractCegarLoop]: Abstraction has has 319 places, 390 transitions, 14290 flow [2021-03-26 13:37:47,658 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) [2021-03-26 13:37:47,658 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:47,659 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:47,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-26 13:37:47,659 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]=== [2021-03-26 13:37:47,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:47,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1986280744, now seen corresponding path program 50 times [2021-03-26 13:37:47,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:47,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166454110] [2021-03-26 13:37:47,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:47,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:47,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:47,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:47,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:47,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:47,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:47,681 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:47,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:47,702 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:37:47,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:37:47,734 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:47,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:47,758 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:47,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:47,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:47,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166454110] [2021-03-26 13:37:47,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:47,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:47,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012136908] [2021-03-26 13:37:47,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:47,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:47,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:47,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:47,779 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:47,780 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) [2021-03-26 13:37:47,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:47,780 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:47,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:48,483 INFO L129 PetriNetUnfolder]: 234/2691 cut-off events. [2021-03-26 13:37:48,483 INFO L130 PetriNetUnfolder]: For 107407/107889 co-relation queries the response was YES. [2021-03-26 13:37:48,511 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. [2021-03-26 13:37:48,517 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 222 selfloop transitions, 172 changer transitions 2/410 dead transitions. [2021-03-26 13:37:48,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 410 transitions, 15776 flow [2021-03-26 13:37:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:48,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:48,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:48,518 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:48,518 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:48,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:48,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:48,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:48,519 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) [2021-03-26 13:37:48,519 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) [2021-03-26 13:37:48,519 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) [2021-03-26 13:37:48,519 INFO L185 Difference]: Start difference. First operand has 319 places, 390 transitions, 14290 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:48,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 410 transitions, 15776 flow [2021-03-26 13:37:49,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 410 transitions, 15433 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:37:49,130 INFO L241 Difference]: Finished difference. Result has 323 places, 390 transitions, 14306 flow [2021-03-26 13:37:49,131 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} [2021-03-26 13:37:49,132 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 285 predicate places. [2021-03-26 13:37:49,132 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:49,132 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 390 transitions, 14306 flow [2021-03-26 13:37:49,132 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 390 transitions, 14306 flow [2021-03-26 13:37:49,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 322 places, 390 transitions, 14306 flow [2021-03-26 13:37:49,551 INFO L129 PetriNetUnfolder]: 164/2556 cut-off events. [2021-03-26 13:37:49,551 INFO L130 PetriNetUnfolder]: For 100342/100557 co-relation queries the response was YES. [2021-03-26 13:37:49,584 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. [2021-03-26 13:37:49,611 INFO L142 LiptonReduction]: Number of co-enabled transitions 2750 [2021-03-26 13:37:49,639 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:49,639 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:49,640 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 508 [2021-03-26 13:37:49,640 INFO L480 AbstractCegarLoop]: Abstraction has has 322 places, 390 transitions, 14306 flow [2021-03-26 13:37:49,640 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) [2021-03-26 13:37:49,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:49,640 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:49,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-26 13:37:49,640 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]=== [2021-03-26 13:37:49,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:49,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1990232474, now seen corresponding path program 51 times [2021-03-26 13:37:49,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:49,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641692948] [2021-03-26 13:37:49,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:49,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:49,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:49,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:49,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:49,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:49,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:49,668 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:49,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:49,688 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:49,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:49,706 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:49,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:49,728 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:49,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641692948] [2021-03-26 13:37:49,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:49,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:49,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190359313] [2021-03-26 13:37:49,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:49,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:49,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:49,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:49,754 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:49,754 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) [2021-03-26 13:37:49,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:49,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:49,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:50,501 INFO L129 PetriNetUnfolder]: 233/2681 cut-off events. [2021-03-26 13:37:50,501 INFO L130 PetriNetUnfolder]: For 107436/107918 co-relation queries the response was YES. [2021-03-26 13:37:50,528 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. [2021-03-26 13:37:50,534 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 214 selfloop transitions, 180 changer transitions 0/408 dead transitions. [2021-03-26 13:37:50,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 408 transitions, 15720 flow [2021-03-26 13:37:50,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:50,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:50,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:50,535 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:50,535 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:50,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:50,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:50,535 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:50,535 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) [2021-03-26 13:37:50,536 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) [2021-03-26 13:37:50,536 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) [2021-03-26 13:37:50,536 INFO L185 Difference]: Start difference. First operand has 322 places, 390 transitions, 14306 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:50,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 408 transitions, 15720 flow [2021-03-26 13:37:51,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 408 transitions, 15565 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-26 13:37:51,083 INFO L241 Difference]: Finished difference. Result has 328 places, 404 transitions, 15145 flow [2021-03-26 13:37:51,084 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} [2021-03-26 13:37:51,084 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 290 predicate places. [2021-03-26 13:37:51,084 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:51,084 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 328 places, 404 transitions, 15145 flow [2021-03-26 13:37:51,084 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 328 places, 404 transitions, 15145 flow [2021-03-26 13:37:51,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 328 places, 404 transitions, 15145 flow [2021-03-26 13:37:51,476 INFO L129 PetriNetUnfolder]: 164/2555 cut-off events. [2021-03-26 13:37:51,477 INFO L130 PetriNetUnfolder]: For 102489/102704 co-relation queries the response was YES. [2021-03-26 13:37:51,502 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. [2021-03-26 13:37:51,528 INFO L142 LiptonReduction]: Number of co-enabled transitions 2788 [2021-03-26 13:37:51,554 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:51,555 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:51,555 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 471 [2021-03-26 13:37:51,555 INFO L480 AbstractCegarLoop]: Abstraction has has 328 places, 404 transitions, 15145 flow [2021-03-26 13:37:51,555 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) [2021-03-26 13:37:51,555 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:51,555 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:51,555 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-03-26 13:37:51,555 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]=== [2021-03-26 13:37:51,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:51,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1553442510, now seen corresponding path program 52 times [2021-03-26 13:37:51,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:51,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927971149] [2021-03-26 13:37:51,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:51,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:51,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:51,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:51,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:51,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:51,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:51,586 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:51,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:51,607 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:37:51,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:37:51,624 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:51,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:51,645 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:51,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:51,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927971149] [2021-03-26 13:37:51,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:51,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:51,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642416216] [2021-03-26 13:37:51,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:51,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:51,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:51,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:51,668 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:51,668 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) [2021-03-26 13:37:51,668 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:51,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:51,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:52,371 INFO L129 PetriNetUnfolder]: 233/2680 cut-off events. [2021-03-26 13:37:52,371 INFO L130 PetriNetUnfolder]: For 109825/110305 co-relation queries the response was YES. [2021-03-26 13:37:52,399 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. [2021-03-26 13:37:52,404 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 214 selfloop transitions, 176 changer transitions 4/408 dead transitions. [2021-03-26 13:37:52,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 408 transitions, 16029 flow [2021-03-26 13:37:52,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:52,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:52,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:52,406 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:52,406 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:52,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:52,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:52,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:52,406 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) [2021-03-26 13:37:52,407 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) [2021-03-26 13:37:52,407 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) [2021-03-26 13:37:52,407 INFO L185 Difference]: Start difference. First operand has 328 places, 404 transitions, 15145 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:52,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 408 transitions, 16029 flow [2021-03-26 13:37:52,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 408 transitions, 15750 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 13:37:52,990 INFO L241 Difference]: Finished difference. Result has 333 places, 400 transitions, 15034 flow [2021-03-26 13:37:52,990 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} [2021-03-26 13:37:52,990 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 295 predicate places. [2021-03-26 13:37:52,990 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:52,991 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 400 transitions, 15034 flow [2021-03-26 13:37:52,991 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 400 transitions, 15034 flow [2021-03-26 13:37:52,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 331 places, 400 transitions, 15034 flow [2021-03-26 13:37:53,404 INFO L129 PetriNetUnfolder]: 163/2540 cut-off events. [2021-03-26 13:37:53,404 INFO L130 PetriNetUnfolder]: For 104757/104972 co-relation queries the response was YES. [2021-03-26 13:37:53,429 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. [2021-03-26 13:37:53,455 INFO L142 LiptonReduction]: Number of co-enabled transitions 2742 [2021-03-26 13:37:53,484 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:53,484 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:53,484 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 494 [2021-03-26 13:37:53,484 INFO L480 AbstractCegarLoop]: Abstraction has has 331 places, 400 transitions, 15034 flow [2021-03-26 13:37:53,485 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) [2021-03-26 13:37:53,485 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:53,485 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:53,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-26 13:37:53,485 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]=== [2021-03-26 13:37:53,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:53,485 INFO L82 PathProgramCache]: Analyzing trace with hash -947050058, now seen corresponding path program 53 times [2021-03-26 13:37:53,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:53,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070946690] [2021-03-26 13:37:53,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:53,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:53,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:53,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:53,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:53,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:53,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:53,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:53,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:53,520 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:37:53,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:37:53,536 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:53,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:53,555 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:53,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:53,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:53,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070946690] [2021-03-26 13:37:53,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:53,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:53,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750565427] [2021-03-26 13:37:53,574 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:53,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:53,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:53,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:53,575 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:53,575 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) [2021-03-26 13:37:53,575 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:53,575 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:53,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:54,369 INFO L129 PetriNetUnfolder]: 232/2665 cut-off events. [2021-03-26 13:37:54,369 INFO L130 PetriNetUnfolder]: For 112090/112570 co-relation queries the response was YES. [2021-03-26 13:37:54,391 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. [2021-03-26 13:37:54,396 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 228 selfloop transitions, 160 changer transitions 2/404 dead transitions. [2021-03-26 13:37:54,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 404 transitions, 15918 flow [2021-03-26 13:37:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:54,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:54,398 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:54,398 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:54,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:54,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:54,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:54,399 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) [2021-03-26 13:37:54,399 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) [2021-03-26 13:37:54,399 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) [2021-03-26 13:37:54,399 INFO L185 Difference]: Start difference. First operand has 331 places, 400 transitions, 15034 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:54,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 404 transitions, 15918 flow [2021-03-26 13:37:54,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 404 transitions, 15500 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-03-26 13:37:54,895 INFO L241 Difference]: Finished difference. Result has 332 places, 398 transitions, 14865 flow [2021-03-26 13:37:54,896 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} [2021-03-26 13:37:54,896 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 294 predicate places. [2021-03-26 13:37:54,896 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:54,896 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 332 places, 398 transitions, 14865 flow [2021-03-26 13:37:54,896 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 332 places, 398 transitions, 14865 flow [2021-03-26 13:37:54,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 331 places, 398 transitions, 14865 flow [2021-03-26 13:37:55,282 INFO L129 PetriNetUnfolder]: 162/2530 cut-off events. [2021-03-26 13:37:55,282 INFO L130 PetriNetUnfolder]: For 101227/101453 co-relation queries the response was YES. [2021-03-26 13:37:55,310 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. [2021-03-26 13:37:55,336 INFO L142 LiptonReduction]: Number of co-enabled transitions 2730 [2021-03-26 13:37:55,362 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:55,362 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:55,362 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 466 [2021-03-26 13:37:55,363 INFO L480 AbstractCegarLoop]: Abstraction has has 331 places, 398 transitions, 14865 flow [2021-03-26 13:37:55,363 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) [2021-03-26 13:37:55,363 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:55,363 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:55,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-03-26 13:37:55,363 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]=== [2021-03-26 13:37:55,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:55,363 INFO L82 PathProgramCache]: Analyzing trace with hash -63561370, now seen corresponding path program 54 times [2021-03-26 13:37:55,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:55,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821004050] [2021-03-26 13:37:55,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:55,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:55,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:55,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:55,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:55,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:55,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:55,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:55,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:55,400 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:37:55,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:37:55,425 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:55,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:55,445 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:55,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:55,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:55,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821004050] [2021-03-26 13:37:55,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:55,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:55,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109534702] [2021-03-26 13:37:55,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:55,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:55,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:55,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:55,465 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:55,465 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) [2021-03-26 13:37:55,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:55,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:55,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:56,144 INFO L129 PetriNetUnfolder]: 231/2655 cut-off events. [2021-03-26 13:37:56,144 INFO L130 PetriNetUnfolder]: For 108181/108661 co-relation queries the response was YES. [2021-03-26 13:37:56,172 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. [2021-03-26 13:37:56,178 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 221 selfloop transitions, 165 changer transitions 2/402 dead transitions. [2021-03-26 13:37:56,178 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 402 transitions, 15737 flow [2021-03-26 13:37:56,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:56,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:56,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:56,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:56,179 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:56,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:56,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:56,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:56,180 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) [2021-03-26 13:37:56,180 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) [2021-03-26 13:37:56,180 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) [2021-03-26 13:37:56,181 INFO L185 Difference]: Start difference. First operand has 331 places, 398 transitions, 14865 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:56,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 402 transitions, 15737 flow [2021-03-26 13:37:56,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 402 transitions, 15310 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 13:37:56,717 INFO L241 Difference]: Finished difference. Result has 333 places, 396 transitions, 14687 flow [2021-03-26 13:37:56,718 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} [2021-03-26 13:37:56,718 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 295 predicate places. [2021-03-26 13:37:56,718 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:56,718 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 396 transitions, 14687 flow [2021-03-26 13:37:56,718 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 396 transitions, 14687 flow [2021-03-26 13:37:56,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 332 places, 396 transitions, 14687 flow [2021-03-26 13:37:57,112 INFO L129 PetriNetUnfolder]: 161/2520 cut-off events. [2021-03-26 13:37:57,113 INFO L130 PetriNetUnfolder]: For 98514/98739 co-relation queries the response was YES. [2021-03-26 13:37:57,136 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. [2021-03-26 13:37:57,159 INFO L142 LiptonReduction]: Number of co-enabled transitions 2712 [2021-03-26 13:37:57,183 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:57,183 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:57,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 465 [2021-03-26 13:37:57,184 INFO L480 AbstractCegarLoop]: Abstraction has has 332 places, 396 transitions, 14687 flow [2021-03-26 13:37:57,184 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) [2021-03-26 13:37:57,184 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:57,184 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:57,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-26 13:37:57,184 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]=== [2021-03-26 13:37:57,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:57,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1536876484, now seen corresponding path program 55 times [2021-03-26 13:37:57,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:57,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138391496] [2021-03-26 13:37:57,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:57,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:57,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:57,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:57,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:57,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:57,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:57,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:57,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:57,216 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:57,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:57,231 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:37:57,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:37:57,251 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:57,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:57,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:57,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138391496] [2021-03-26 13:37:57,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:57,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:57,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21432897] [2021-03-26 13:37:57,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:57,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:57,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:57,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:57,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:57,270 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) [2021-03-26 13:37:57,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:57,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:57,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:57,933 INFO L129 PetriNetUnfolder]: 230/2645 cut-off events. [2021-03-26 13:37:57,933 INFO L130 PetriNetUnfolder]: For 105799/106281 co-relation queries the response was YES. [2021-03-26 13:37:57,960 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. [2021-03-26 13:37:57,966 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 221 selfloop transitions, 162 changer transitions 3/400 dead transitions. [2021-03-26 13:37:57,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 400 transitions, 15555 flow [2021-03-26 13:37:57,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:57,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:57,967 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:57,967 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:57,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:57,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:57,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:57,968 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) [2021-03-26 13:37:57,968 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) [2021-03-26 13:37:57,968 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) [2021-03-26 13:37:57,969 INFO L185 Difference]: Start difference. First operand has 332 places, 396 transitions, 14687 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:57,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 400 transitions, 15555 flow [2021-03-26 13:37:58,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 400 transitions, 15233 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:37:58,482 INFO L241 Difference]: Finished difference. Result has 335 places, 393 transitions, 14550 flow [2021-03-26 13:37:58,483 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} [2021-03-26 13:37:58,483 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 297 predicate places. [2021-03-26 13:37:58,483 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:37:58,483 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 393 transitions, 14550 flow [2021-03-26 13:37:58,483 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 393 transitions, 14550 flow [2021-03-26 13:37:58,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 333 places, 393 transitions, 14550 flow [2021-03-26 13:37:58,845 INFO L129 PetriNetUnfolder]: 160/2504 cut-off events. [2021-03-26 13:37:58,845 INFO L130 PetriNetUnfolder]: For 97866/98081 co-relation queries the response was YES. [2021-03-26 13:37:58,869 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. [2021-03-26 13:37:58,894 INFO L142 LiptonReduction]: Number of co-enabled transitions 2682 [2021-03-26 13:37:58,918 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:37:58,918 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:37:58,918 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 435 [2021-03-26 13:37:58,919 INFO L480 AbstractCegarLoop]: Abstraction has has 333 places, 393 transitions, 14550 flow [2021-03-26 13:37:58,919 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) [2021-03-26 13:37:58,919 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:37:58,919 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:37:58,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-03-26 13:37:58,919 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]=== [2021-03-26 13:37:58,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:37:58,919 INFO L82 PathProgramCache]: Analyzing trace with hash 632381588, now seen corresponding path program 56 times [2021-03-26 13:37:58,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:37:58,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357276587] [2021-03-26 13:37:58,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:37:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:37:58,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:58,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:37:58,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:58,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:37:58,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:58,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:37:58,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:37:58,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:37:58,952 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:37:58,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:37:58,970 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:37:58,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:37:58,993 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:37:58,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:37:59,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:37:59,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357276587] [2021-03-26 13:37:59,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:37:59,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:37:59,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234577227] [2021-03-26 13:37:59,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:37:59,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:37:59,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:37:59,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:37:59,014 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:37:59,014 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) [2021-03-26 13:37:59,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:37:59,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:37:59,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:37:59,720 INFO L129 PetriNetUnfolder]: 229/2629 cut-off events. [2021-03-26 13:37:59,720 INFO L130 PetriNetUnfolder]: For 104893/105375 co-relation queries the response was YES. [2021-03-26 13:37:59,745 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. [2021-03-26 13:37:59,750 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 248 selfloop transitions, 157 changer transitions 0/419 dead transitions. [2021-03-26 13:37:59,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 419 transitions, 16322 flow [2021-03-26 13:37:59,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:37:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:37:59,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:37:59,759 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:37:59,759 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:37:59,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:37:59,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:37:59,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:37:59,760 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) [2021-03-26 13:37:59,760 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) [2021-03-26 13:37:59,760 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) [2021-03-26 13:37:59,761 INFO L185 Difference]: Start difference. First operand has 333 places, 393 transitions, 14550 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:37:59,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 419 transitions, 16322 flow [2021-03-26 13:38:00,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 419 transitions, 15952 flow, removed 24 selfloop flow, removed 6 redundant places. [2021-03-26 13:38:00,278 INFO L241 Difference]: Finished difference. Result has 337 places, 411 transitions, 15354 flow [2021-03-26 13:38:00,278 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} [2021-03-26 13:38:00,279 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 299 predicate places. [2021-03-26 13:38:00,279 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:00,279 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 337 places, 411 transitions, 15354 flow [2021-03-26 13:38:00,279 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 337 places, 411 transitions, 15354 flow [2021-03-26 13:38:00,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 337 places, 411 transitions, 15354 flow [2021-03-26 13:38:00,650 INFO L129 PetriNetUnfolder]: 160/2503 cut-off events. [2021-03-26 13:38:00,650 INFO L130 PetriNetUnfolder]: For 95557/95772 co-relation queries the response was YES. [2021-03-26 13:38:00,675 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. [2021-03-26 13:38:00,699 INFO L142 LiptonReduction]: Number of co-enabled transitions 2738 [2021-03-26 13:38:00,724 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:00,725 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:00,725 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 446 [2021-03-26 13:38:00,725 INFO L480 AbstractCegarLoop]: Abstraction has has 337 places, 411 transitions, 15354 flow [2021-03-26 13:38:00,725 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) [2021-03-26 13:38:00,725 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:00,725 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:00,725 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-26 13:38:00,725 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]=== [2021-03-26 13:38:00,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:00,725 INFO L82 PathProgramCache]: Analyzing trace with hash -440703792, now seen corresponding path program 57 times [2021-03-26 13:38:00,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:00,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446478712] [2021-03-26 13:38:00,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:00,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:00,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:00,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:00,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:00,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:00,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:00,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:00,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:38:00,759 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:00,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:00,777 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:00,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:00,800 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:00,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:00,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446478712] [2021-03-26 13:38:00,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:00,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:00,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265776371] [2021-03-26 13:38:00,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:00,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:00,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:00,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:00,825 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:00,826 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) [2021-03-26 13:38:00,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:00,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:00,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:01,546 INFO L129 PetriNetUnfolder]: 229/2628 cut-off events. [2021-03-26 13:38:01,546 INFO L130 PetriNetUnfolder]: For 102446/102928 co-relation queries the response was YES. [2021-03-26 13:38:01,573 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. [2021-03-26 13:38:01,579 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 252 selfloop transitions, 151 changer transitions 2/419 dead transitions. [2021-03-26 13:38:01,579 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 419 transitions, 16378 flow [2021-03-26 13:38:01,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:01,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:01,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:01,580 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:01,580 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:01,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:01,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:01,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:01,581 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) [2021-03-26 13:38:01,583 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) [2021-03-26 13:38:01,583 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) [2021-03-26 13:38:01,583 INFO L185 Difference]: Start difference. First operand has 337 places, 411 transitions, 15354 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:01,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 419 transitions, 16378 flow [2021-03-26 13:38:02,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 419 transitions, 16115 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-26 13:38:02,187 INFO L241 Difference]: Finished difference. Result has 342 places, 413 transitions, 15472 flow [2021-03-26 13:38:02,187 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} [2021-03-26 13:38:02,187 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 304 predicate places. [2021-03-26 13:38:02,187 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:02,188 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 342 places, 413 transitions, 15472 flow [2021-03-26 13:38:02,188 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 342 places, 413 transitions, 15472 flow [2021-03-26 13:38:02,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 341 places, 413 transitions, 15472 flow [2021-03-26 13:38:02,593 INFO L129 PetriNetUnfolder]: 159/2493 cut-off events. [2021-03-26 13:38:02,593 INFO L130 PetriNetUnfolder]: For 99200/99415 co-relation queries the response was YES. [2021-03-26 13:38:02,618 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. [2021-03-26 13:38:02,644 INFO L142 LiptonReduction]: Number of co-enabled transitions 2754 [2021-03-26 13:38:02,673 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:02,673 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:02,673 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 486 [2021-03-26 13:38:02,673 INFO L480 AbstractCegarLoop]: Abstraction has has 341 places, 413 transitions, 15472 flow [2021-03-26 13:38:02,674 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) [2021-03-26 13:38:02,674 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:02,674 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:02,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-03-26 13:38:02,674 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]=== [2021-03-26 13:38:02,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:02,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1547496748, now seen corresponding path program 58 times [2021-03-26 13:38:02,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:02,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999096986] [2021-03-26 13:38:02,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:02,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:02,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:02,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:02,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:02,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:02,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:02,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:02,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:38:02,706 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:02,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:02,723 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:02,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:02,745 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:02,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:02,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999096986] [2021-03-26 13:38:02,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:02,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:02,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820191881] [2021-03-26 13:38:02,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:02,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:02,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:02,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:02,767 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:02,767 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) [2021-03-26 13:38:02,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:02,768 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:02,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:03,574 INFO L129 PetriNetUnfolder]: 228/2618 cut-off events. [2021-03-26 13:38:03,574 INFO L130 PetriNetUnfolder]: For 106101/106583 co-relation queries the response was YES. [2021-03-26 13:38:03,601 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. [2021-03-26 13:38:03,606 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 248 selfloop transitions, 152 changer transitions 3/417 dead transitions. [2021-03-26 13:38:03,607 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 417 transitions, 16374 flow [2021-03-26 13:38:03,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:03,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:03,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:03,608 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:03,608 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:03,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:03,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:03,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:03,608 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) [2021-03-26 13:38:03,609 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) [2021-03-26 13:38:03,609 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) [2021-03-26 13:38:03,609 INFO L185 Difference]: Start difference. First operand has 341 places, 413 transitions, 15472 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:03,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 417 transitions, 16374 flow [2021-03-26 13:38:04,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 417 transitions, 16121 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 13:38:04,126 INFO L241 Difference]: Finished difference. Result has 345 places, 410 transitions, 15384 flow [2021-03-26 13:38:04,126 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} [2021-03-26 13:38:04,127 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 307 predicate places. [2021-03-26 13:38:04,127 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:04,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 410 transitions, 15384 flow [2021-03-26 13:38:04,127 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 410 transitions, 15384 flow [2021-03-26 13:38:04,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 343 places, 410 transitions, 15384 flow [2021-03-26 13:38:04,506 INFO L129 PetriNetUnfolder]: 158/2477 cut-off events. [2021-03-26 13:38:04,507 INFO L130 PetriNetUnfolder]: For 98563/98788 co-relation queries the response was YES. [2021-03-26 13:38:04,531 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. [2021-03-26 13:38:04,556 INFO L142 LiptonReduction]: Number of co-enabled transitions 2730 [2021-03-26 13:38:04,587 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:04,588 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:04,588 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 461 [2021-03-26 13:38:04,588 INFO L480 AbstractCegarLoop]: Abstraction has has 343 places, 410 transitions, 15384 flow [2021-03-26 13:38:04,588 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) [2021-03-26 13:38:04,588 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:04,588 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:04,588 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-03-26 13:38:04,588 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]=== [2021-03-26 13:38:04,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:04,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1498620048, now seen corresponding path program 59 times [2021-03-26 13:38:04,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:04,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928391127] [2021-03-26 13:38:04,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:04,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:04,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:04,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:04,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:04,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:04,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:04,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:04,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:38:04,637 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:38:04,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:38:04,665 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:04,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:04,687 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:04,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:04,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:04,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928391127] [2021-03-26 13:38:04,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:04,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:04,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105788268] [2021-03-26 13:38:04,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:04,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:04,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:04,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:04,708 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:04,709 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) [2021-03-26 13:38:04,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:04,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:04,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:05,432 INFO L129 PetriNetUnfolder]: 227/2602 cut-off events. [2021-03-26 13:38:05,433 INFO L130 PetriNetUnfolder]: For 105303/105787 co-relation queries the response was YES. [2021-03-26 13:38:05,463 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. [2021-03-26 13:38:05,469 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 249 selfloop transitions, 149 changer transitions 2/414 dead transitions. [2021-03-26 13:38:05,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 414 transitions, 16280 flow [2021-03-26 13:38:05,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:05,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:05,470 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:05,470 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:05,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:05,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:05,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:05,471 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) [2021-03-26 13:38:05,471 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) [2021-03-26 13:38:05,471 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) [2021-03-26 13:38:05,471 INFO L185 Difference]: Start difference. First operand has 343 places, 410 transitions, 15384 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:05,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 414 transitions, 16280 flow [2021-03-26 13:38:06,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 414 transitions, 15972 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-26 13:38:06,011 INFO L241 Difference]: Finished difference. Result has 345 places, 408 transitions, 15292 flow [2021-03-26 13:38:06,011 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} [2021-03-26 13:38:06,011 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 307 predicate places. [2021-03-26 13:38:06,012 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:06,012 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 408 transitions, 15292 flow [2021-03-26 13:38:06,012 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 408 transitions, 15292 flow [2021-03-26 13:38:06,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 344 places, 408 transitions, 15292 flow [2021-03-26 13:38:06,378 INFO L129 PetriNetUnfolder]: 157/2467 cut-off events. [2021-03-26 13:38:06,378 INFO L130 PetriNetUnfolder]: For 95285/95500 co-relation queries the response was YES. [2021-03-26 13:38:06,406 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. [2021-03-26 13:38:06,431 INFO L142 LiptonReduction]: Number of co-enabled transitions 2716 [2021-03-26 13:38:06,458 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:06,458 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:06,458 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 446 [2021-03-26 13:38:06,459 INFO L480 AbstractCegarLoop]: Abstraction has has 344 places, 408 transitions, 15292 flow [2021-03-26 13:38:06,459 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) [2021-03-26 13:38:06,459 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:06,459 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:06,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-03-26 13:38:06,459 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]=== [2021-03-26 13:38:06,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:06,460 INFO L82 PathProgramCache]: Analyzing trace with hash 303998706, now seen corresponding path program 60 times [2021-03-26 13:38:06,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:06,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262833951] [2021-03-26 13:38:06,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:06,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:06,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:06,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:06,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:06,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:06,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:06,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:06,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:38:06,505 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:06,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:06,522 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:06,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:06,547 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:06,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:06,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262833951] [2021-03-26 13:38:06,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:06,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:06,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843285583] [2021-03-26 13:38:06,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:06,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:06,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:06,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:06,570 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:06,571 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) [2021-03-26 13:38:06,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:06,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:06,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:07,355 INFO L129 PetriNetUnfolder]: 226/2592 cut-off events. [2021-03-26 13:38:07,356 INFO L130 PetriNetUnfolder]: For 102043/102527 co-relation queries the response was YES. [2021-03-26 13:38:07,377 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. [2021-03-26 13:38:07,382 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 249 selfloop transitions, 147 changer transitions 2/412 dead transitions. [2021-03-26 13:38:07,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 412 transitions, 16176 flow [2021-03-26 13:38:07,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:07,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:07,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:07,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:07,383 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:07,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:07,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:07,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:07,384 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) [2021-03-26 13:38:07,384 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) [2021-03-26 13:38:07,384 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) [2021-03-26 13:38:07,385 INFO L185 Difference]: Start difference. First operand has 344 places, 408 transitions, 15292 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:07,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 412 transitions, 16176 flow [2021-03-26 13:38:07,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 412 transitions, 15884 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:38:07,858 INFO L241 Difference]: Finished difference. Result has 347 places, 406 transitions, 15211 flow [2021-03-26 13:38:07,858 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} [2021-03-26 13:38:07,858 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 309 predicate places. [2021-03-26 13:38:07,859 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:07,859 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 406 transitions, 15211 flow [2021-03-26 13:38:07,859 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 406 transitions, 15211 flow [2021-03-26 13:38:07,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 346 places, 406 transitions, 15211 flow [2021-03-26 13:38:08,256 INFO L129 PetriNetUnfolder]: 156/2457 cut-off events. [2021-03-26 13:38:08,256 INFO L130 PetriNetUnfolder]: For 95123/95338 co-relation queries the response was YES. [2021-03-26 13:38:08,281 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. [2021-03-26 13:38:08,309 INFO L142 LiptonReduction]: Number of co-enabled transitions 2712 [2021-03-26 13:38:08,340 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:08,340 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:08,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 482 [2021-03-26 13:38:08,341 INFO L480 AbstractCegarLoop]: Abstraction has has 346 places, 406 transitions, 15211 flow [2021-03-26 13:38:08,341 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) [2021-03-26 13:38:08,341 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:08,341 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:08,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-03-26 13:38:08,341 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]=== [2021-03-26 13:38:08,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:08,341 INFO L82 PathProgramCache]: Analyzing trace with hash -666274416, now seen corresponding path program 61 times [2021-03-26 13:38:08,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:08,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141240036] [2021-03-26 13:38:08,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:08,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:08,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:08,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:08,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:08,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:08,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:08,363 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:08,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:08,384 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:38:08,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:38:08,413 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:08,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:08,434 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:08,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:08,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:08,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141240036] [2021-03-26 13:38:08,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:08,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:08,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451942534] [2021-03-26 13:38:08,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:08,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:08,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:08,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:08,456 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:08,456 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) [2021-03-26 13:38:08,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:08,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:08,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:09,227 INFO L129 PetriNetUnfolder]: 232/2720 cut-off events. [2021-03-26 13:38:09,227 INFO L130 PetriNetUnfolder]: For 106306/106788 co-relation queries the response was YES. [2021-03-26 13:38:09,260 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. [2021-03-26 13:38:09,267 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 147 changer transitions 2/441 dead transitions. [2021-03-26 13:38:09,267 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 441 transitions, 17383 flow [2021-03-26 13:38:09,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:09,268 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:09,268 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:09,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:09,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:09,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:09,268 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) [2021-03-26 13:38:09,269 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) [2021-03-26 13:38:09,269 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) [2021-03-26 13:38:09,269 INFO L185 Difference]: Start difference. First operand has 346 places, 406 transitions, 15211 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:09,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 441 transitions, 17383 flow [2021-03-26 13:38:09,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 441 transitions, 17067 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:38:09,815 INFO L241 Difference]: Finished difference. Result has 353 places, 415 transitions, 15773 flow [2021-03-26 13:38:09,815 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} [2021-03-26 13:38:09,816 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 315 predicate places. [2021-03-26 13:38:09,816 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:09,816 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 353 places, 415 transitions, 15773 flow [2021-03-26 13:38:09,816 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 353 places, 415 transitions, 15773 flow [2021-03-26 13:38:09,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 352 places, 415 transitions, 15773 flow [2021-03-26 13:38:10,251 INFO L129 PetriNetUnfolder]: 168/2597 cut-off events. [2021-03-26 13:38:10,251 INFO L130 PetriNetUnfolder]: For 103780/103978 co-relation queries the response was YES. [2021-03-26 13:38:10,279 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. [2021-03-26 13:38:10,305 INFO L142 LiptonReduction]: Number of co-enabled transitions 2794 [2021-03-26 13:38:10,333 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:10,333 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:10,333 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 517 [2021-03-26 13:38:10,333 INFO L480 AbstractCegarLoop]: Abstraction has has 352 places, 415 transitions, 15773 flow [2021-03-26 13:38:10,333 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) [2021-03-26 13:38:10,333 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:10,333 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:10,333 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-03-26 13:38:10,333 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]=== [2021-03-26 13:38:10,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:10,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1622614354, now seen corresponding path program 62 times [2021-03-26 13:38:10,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:10,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458429748] [2021-03-26 13:38:10,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:10,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:10,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:10,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:10,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:10,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:10,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:10,356 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:10,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:10,374 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:10,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:10,402 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:10,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:10,422 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:10,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:10,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458429748] [2021-03-26 13:38:10,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:10,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:10,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773604623] [2021-03-26 13:38:10,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:10,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:10,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:10,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:10,443 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:10,444 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) [2021-03-26 13:38:10,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:10,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:10,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:11,188 INFO L129 PetriNetUnfolder]: 231/2713 cut-off events. [2021-03-26 13:38:11,188 INFO L130 PetriNetUnfolder]: For 109957/110445 co-relation queries the response was YES. [2021-03-26 13:38:11,217 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. [2021-03-26 13:38:11,223 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 291 selfloop transitions, 149 changer transitions 2/456 dead transitions. [2021-03-26 13:38:11,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 456 transitions, 18110 flow [2021-03-26 13:38:11,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:11,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:11,224 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:11,224 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:11,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:11,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:11,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:11,225 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) [2021-03-26 13:38:11,225 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) [2021-03-26 13:38:11,225 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) [2021-03-26 13:38:11,225 INFO L185 Difference]: Start difference. First operand has 352 places, 415 transitions, 15773 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:11,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 456 transitions, 18110 flow [2021-03-26 13:38:11,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 456 transitions, 17946 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-03-26 13:38:11,823 INFO L241 Difference]: Finished difference. Result has 360 places, 435 transitions, 16841 flow [2021-03-26 13:38:11,823 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} [2021-03-26 13:38:11,824 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 322 predicate places. [2021-03-26 13:38:11,824 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:11,824 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 360 places, 435 transitions, 16841 flow [2021-03-26 13:38:11,824 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 360 places, 435 transitions, 16841 flow [2021-03-26 13:38:11,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 359 places, 435 transitions, 16841 flow [2021-03-26 13:38:12,236 INFO L129 PetriNetUnfolder]: 167/2587 cut-off events. [2021-03-26 13:38:12,236 INFO L130 PetriNetUnfolder]: For 109017/109223 co-relation queries the response was YES. [2021-03-26 13:38:12,262 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. [2021-03-26 13:38:12,287 INFO L142 LiptonReduction]: Number of co-enabled transitions 3000 [2021-03-26 13:38:12,316 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:12,316 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:12,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 492 [2021-03-26 13:38:12,316 INFO L480 AbstractCegarLoop]: Abstraction has has 359 places, 435 transitions, 16841 flow [2021-03-26 13:38:12,316 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) [2021-03-26 13:38:12,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:12,317 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:12,317 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-03-26 13:38:12,317 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]=== [2021-03-26 13:38:12,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:12,317 INFO L82 PathProgramCache]: Analyzing trace with hash -22554488, now seen corresponding path program 63 times [2021-03-26 13:38:12,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:12,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685270644] [2021-03-26 13:38:12,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:12,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:12,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:12,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:12,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:12,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:12,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:12,337 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:38:12,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:38:12,347 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:38:12,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:38:12,379 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:38:12,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:38:12,399 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:12,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:12,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:12,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685270644] [2021-03-26 13:38:12,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:12,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:12,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040627227] [2021-03-26 13:38:12,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:12,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:12,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:12,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:12,419 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:12,419 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) [2021-03-26 13:38:12,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:12,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:12,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:13,164 INFO L129 PetriNetUnfolder]: 230/2703 cut-off events. [2021-03-26 13:38:13,164 INFO L130 PetriNetUnfolder]: For 115491/115993 co-relation queries the response was YES. [2021-03-26 13:38:13,193 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. [2021-03-26 13:38:13,199 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 170 changer transitions 0/444 dead transitions. [2021-03-26 13:38:13,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 444 transitions, 18011 flow [2021-03-26 13:38:13,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:13,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:13,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:13,200 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:13,200 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:13,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:13,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:13,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:13,203 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) [2021-03-26 13:38:13,203 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) [2021-03-26 13:38:13,203 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) [2021-03-26 13:38:13,203 INFO L185 Difference]: Start difference. First operand has 359 places, 435 transitions, 16841 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:13,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 444 transitions, 18011 flow [2021-03-26 13:38:13,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 444 transitions, 17822 flow, removed 30 selfloop flow, removed 4 redundant places. [2021-03-26 13:38:13,795 INFO L241 Difference]: Finished difference. Result has 363 places, 435 transitions, 17003 flow [2021-03-26 13:38:13,796 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} [2021-03-26 13:38:13,796 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 325 predicate places. [2021-03-26 13:38:13,796 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:13,796 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 363 places, 435 transitions, 17003 flow [2021-03-26 13:38:13,796 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 363 places, 435 transitions, 17003 flow [2021-03-26 13:38:13,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 363 places, 435 transitions, 17003 flow [2021-03-26 13:38:14,210 INFO L129 PetriNetUnfolder]: 167/2586 cut-off events. [2021-03-26 13:38:14,210 INFO L130 PetriNetUnfolder]: For 109040/109246 co-relation queries the response was YES. [2021-03-26 13:38:14,237 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. [2021-03-26 13:38:14,263 INFO L142 LiptonReduction]: Number of co-enabled transitions 3000 [2021-03-26 13:38:14,292 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:14,292 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:14,292 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 496 [2021-03-26 13:38:14,293 INFO L480 AbstractCegarLoop]: Abstraction has has 363 places, 435 transitions, 17003 flow [2021-03-26 13:38:14,293 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) [2021-03-26 13:38:14,293 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:14,293 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:14,293 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-03-26 13:38:14,293 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]=== [2021-03-26 13:38:14,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:14,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1207805122, now seen corresponding path program 64 times [2021-03-26 13:38:14,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:14,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818876556] [2021-03-26 13:38:14,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:14,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:14,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:14,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:14,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:14,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:14,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:14,314 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:38:14,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:38:14,326 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:38:14,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:38:14,353 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:14,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:14,375 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:14,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:14,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:14,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818876556] [2021-03-26 13:38:14,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:14,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:14,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841018602] [2021-03-26 13:38:14,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:14,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:14,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:14,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:14,397 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:14,397 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) [2021-03-26 13:38:14,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:14,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:14,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:15,321 INFO L129 PetriNetUnfolder]: 230/2702 cut-off events. [2021-03-26 13:38:15,321 INFO L130 PetriNetUnfolder]: For 115388/115890 co-relation queries the response was YES. [2021-03-26 13:38:15,345 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. [2021-03-26 13:38:15,349 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 170 changer transitions 0/444 dead transitions. [2021-03-26 13:38:15,350 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 444 transitions, 18173 flow [2021-03-26 13:38:15,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:15,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:15,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:15,350 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:15,350 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:15,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:15,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:15,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:15,351 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) [2021-03-26 13:38:15,351 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) [2021-03-26 13:38:15,352 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) [2021-03-26 13:38:15,352 INFO L185 Difference]: Start difference. First operand has 363 places, 435 transitions, 17003 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:15,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 444 transitions, 18173 flow [2021-03-26 13:38:15,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 444 transitions, 17911 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-26 13:38:15,905 INFO L241 Difference]: Finished difference. Result has 368 places, 435 transitions, 17084 flow [2021-03-26 13:38:15,905 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} [2021-03-26 13:38:15,905 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 330 predicate places. [2021-03-26 13:38:15,905 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:15,905 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 368 places, 435 transitions, 17084 flow [2021-03-26 13:38:15,905 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 368 places, 435 transitions, 17084 flow [2021-03-26 13:38:15,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 368 places, 435 transitions, 17084 flow [2021-03-26 13:38:16,338 INFO L129 PetriNetUnfolder]: 167/2585 cut-off events. [2021-03-26 13:38:16,338 INFO L130 PetriNetUnfolder]: For 111346/111563 co-relation queries the response was YES. [2021-03-26 13:38:16,366 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. [2021-03-26 13:38:16,394 INFO L142 LiptonReduction]: Number of co-enabled transitions 3000 [2021-03-26 13:38:16,424 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:16,425 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:16,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 520 [2021-03-26 13:38:16,425 INFO L480 AbstractCegarLoop]: Abstraction has has 368 places, 435 transitions, 17084 flow [2021-03-26 13:38:16,425 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) [2021-03-26 13:38:16,425 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:16,425 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:16,425 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-26 13:38:16,425 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]=== [2021-03-26 13:38:16,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:16,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1477731600, now seen corresponding path program 65 times [2021-03-26 13:38:16,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:16,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799325458] [2021-03-26 13:38:16,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:16,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:16,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:16,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:16,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:16,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:16,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:16,448 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:16,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:16,465 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:38:16,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:38:16,494 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:16,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:16,513 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:16,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:16,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799325458] [2021-03-26 13:38:16,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:16,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:16,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671320246] [2021-03-26 13:38:16,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:16,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:16,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:16,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:16,532 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:16,532 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) [2021-03-26 13:38:16,532 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:16,532 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:16,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:17,321 INFO L129 PetriNetUnfolder]: 230/2701 cut-off events. [2021-03-26 13:38:17,321 INFO L130 PetriNetUnfolder]: For 118183/118687 co-relation queries the response was YES. [2021-03-26 13:38:17,357 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. [2021-03-26 13:38:17,365 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 289 selfloop transitions, 149 changer transitions 1/453 dead transitions. [2021-03-26 13:38:17,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 453 transitions, 18634 flow [2021-03-26 13:38:17,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:17,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:17,366 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:17,366 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:17,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:17,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:17,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:17,366 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) [2021-03-26 13:38:17,367 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) [2021-03-26 13:38:17,367 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) [2021-03-26 13:38:17,367 INFO L185 Difference]: Start difference. First operand has 368 places, 435 transitions, 17084 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:17,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 453 transitions, 18634 flow [2021-03-26 13:38:18,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 453 transitions, 18296 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-26 13:38:18,013 INFO L241 Difference]: Finished difference. Result has 372 places, 434 transitions, 17018 flow [2021-03-26 13:38:18,013 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} [2021-03-26 13:38:18,013 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 334 predicate places. [2021-03-26 13:38:18,014 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:18,014 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 372 places, 434 transitions, 17018 flow [2021-03-26 13:38:18,014 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 372 places, 434 transitions, 17018 flow [2021-03-26 13:38:18,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 371 places, 434 transitions, 17018 flow [2021-03-26 13:38:18,543 INFO L129 PetriNetUnfolder]: 166/2576 cut-off events. [2021-03-26 13:38:18,543 INFO L130 PetriNetUnfolder]: For 114093/114294 co-relation queries the response was YES. [2021-03-26 13:38:18,575 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. [2021-03-26 13:38:18,607 INFO L142 LiptonReduction]: Number of co-enabled transitions 2998 [2021-03-26 13:38:18,636 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:18,637 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:18,637 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 624 [2021-03-26 13:38:18,637 INFO L480 AbstractCegarLoop]: Abstraction has has 371 places, 434 transitions, 17018 flow [2021-03-26 13:38:18,637 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) [2021-03-26 13:38:18,637 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:18,637 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:18,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-03-26 13:38:18,637 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]=== [2021-03-26 13:38:18,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:18,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1076348288, now seen corresponding path program 66 times [2021-03-26 13:38:18,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:18,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410433090] [2021-03-26 13:38:18,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:18,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:18,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:18,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:18,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:18,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:18,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:18,663 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:38:18,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:38:18,676 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:18,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:18,694 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:18,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:18,715 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:18,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:18,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:18,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410433090] [2021-03-26 13:38:18,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:18,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:18,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944065150] [2021-03-26 13:38:18,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:18,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:18,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:18,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:18,744 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:18,744 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) [2021-03-26 13:38:18,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:18,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:18,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:19,536 INFO L129 PetriNetUnfolder]: 229/2692 cut-off events. [2021-03-26 13:38:19,537 INFO L130 PetriNetUnfolder]: For 121099/121597 co-relation queries the response was YES. [2021-03-26 13:38:19,565 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. [2021-03-26 13:38:19,571 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 259 selfloop transitions, 170 changer transitions 0/443 dead transitions. [2021-03-26 13:38:19,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 443 transitions, 18202 flow [2021-03-26 13:38:19,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:19,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:19,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:19,572 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:19,572 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:19,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:19,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:19,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:19,573 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) [2021-03-26 13:38:19,573 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) [2021-03-26 13:38:19,573 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) [2021-03-26 13:38:19,573 INFO L185 Difference]: Start difference. First operand has 371 places, 434 transitions, 17018 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:19,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 443 transitions, 18202 flow [2021-03-26 13:38:20,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 443 transitions, 18068 flow, removed 24 selfloop flow, removed 3 redundant places. [2021-03-26 13:38:20,221 INFO L241 Difference]: Finished difference. Result has 377 places, 437 transitions, 17454 flow [2021-03-26 13:38:20,221 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} [2021-03-26 13:38:20,221 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 339 predicate places. [2021-03-26 13:38:20,221 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:20,221 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 437 transitions, 17454 flow [2021-03-26 13:38:20,221 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 437 transitions, 17454 flow [2021-03-26 13:38:20,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 377 places, 437 transitions, 17454 flow [2021-03-26 13:38:20,621 INFO L129 PetriNetUnfolder]: 166/2575 cut-off events. [2021-03-26 13:38:20,621 INFO L130 PetriNetUnfolder]: For 116383/116586 co-relation queries the response was YES. [2021-03-26 13:38:20,647 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. [2021-03-26 13:38:20,673 INFO L142 LiptonReduction]: Number of co-enabled transitions 3040 [2021-03-26 13:38:20,701 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:20,701 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:20,701 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 480 [2021-03-26 13:38:20,701 INFO L480 AbstractCegarLoop]: Abstraction has has 377 places, 437 transitions, 17454 flow [2021-03-26 13:38:20,702 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) [2021-03-26 13:38:20,702 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:20,702 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:20,702 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-03-26 13:38:20,702 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]=== [2021-03-26 13:38:20,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:20,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1902461704, now seen corresponding path program 67 times [2021-03-26 13:38:20,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:20,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717976433] [2021-03-26 13:38:20,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:20,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:20,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:20,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:20,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:20,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:20,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:20,729 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:38:20,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:38:20,742 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:20,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:20,760 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:20,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:20,780 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:20,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:20,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:20,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717976433] [2021-03-26 13:38:20,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:20,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:20,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247289235] [2021-03-26 13:38:20,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:20,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:20,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:20,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:20,803 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:20,804 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) [2021-03-26 13:38:20,804 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:20,804 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:20,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:21,585 INFO L129 PetriNetUnfolder]: 229/2691 cut-off events. [2021-03-26 13:38:21,585 INFO L130 PetriNetUnfolder]: For 123712/124210 co-relation queries the response was YES. [2021-03-26 13:38:21,612 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. [2021-03-26 13:38:21,617 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 169 changer transitions 0/443 dead transitions. [2021-03-26 13:38:21,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 443 transitions, 18498 flow [2021-03-26 13:38:21,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:21,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:21,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:21,618 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:21,618 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:21,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:21,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:21,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:21,619 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) [2021-03-26 13:38:21,619 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) [2021-03-26 13:38:21,619 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) [2021-03-26 13:38:21,619 INFO L185 Difference]: Start difference. First operand has 377 places, 437 transitions, 17454 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:21,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 443 transitions, 18498 flow [2021-03-26 13:38:22,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 443 transitions, 18233 flow, removed 14 selfloop flow, removed 3 redundant places. [2021-03-26 13:38:22,236 INFO L241 Difference]: Finished difference. Result has 382 places, 437 transitions, 17530 flow [2021-03-26 13:38:22,237 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} [2021-03-26 13:38:22,237 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 344 predicate places. [2021-03-26 13:38:22,237 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:22,237 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 382 places, 437 transitions, 17530 flow [2021-03-26 13:38:22,237 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 382 places, 437 transitions, 17530 flow [2021-03-26 13:38:22,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 382 places, 437 transitions, 17530 flow [2021-03-26 13:38:22,639 INFO L129 PetriNetUnfolder]: 166/2574 cut-off events. [2021-03-26 13:38:22,639 INFO L130 PetriNetUnfolder]: For 119422/119625 co-relation queries the response was YES. [2021-03-26 13:38:22,665 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. [2021-03-26 13:38:22,691 INFO L142 LiptonReduction]: Number of co-enabled transitions 3040 [2021-03-26 13:38:22,720 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:22,720 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:22,720 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 483 [2021-03-26 13:38:22,721 INFO L480 AbstractCegarLoop]: Abstraction has has 382 places, 437 transitions, 17530 flow [2021-03-26 13:38:22,721 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) [2021-03-26 13:38:22,721 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:22,721 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:22,721 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-26 13:38:22,721 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]=== [2021-03-26 13:38:22,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:22,721 INFO L82 PathProgramCache]: Analyzing trace with hash -2059821630, now seen corresponding path program 68 times [2021-03-26 13:38:22,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:22,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982290283] [2021-03-26 13:38:22,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:22,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:22,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:22,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:22,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:22,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:22,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:22,743 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:38:22,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:38:22,753 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:38:22,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:38:22,768 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:22,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:22,786 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:22,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:22,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982290283] [2021-03-26 13:38:22,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:22,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:22,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330246683] [2021-03-26 13:38:22,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:22,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:22,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:22,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:22,805 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:22,805 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) [2021-03-26 13:38:22,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:22,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:22,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:23,589 INFO L129 PetriNetUnfolder]: 229/2690 cut-off events. [2021-03-26 13:38:23,589 INFO L130 PetriNetUnfolder]: For 126698/127196 co-relation queries the response was YES. [2021-03-26 13:38:23,618 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. [2021-03-26 13:38:23,624 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 250 selfloop transitions, 165 changer transitions 14/443 dead transitions. [2021-03-26 13:38:23,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 443 transitions, 18582 flow [2021-03-26 13:38:23,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:23,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:23,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:23,625 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:23,625 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:23,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:23,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:23,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:23,626 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) [2021-03-26 13:38:23,626 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) [2021-03-26 13:38:23,626 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) [2021-03-26 13:38:23,626 INFO L185 Difference]: Start difference. First operand has 382 places, 437 transitions, 17530 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:23,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 443 transitions, 18582 flow [2021-03-26 13:38:24,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 443 transitions, 18272 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 13:38:24,332 INFO L241 Difference]: Finished difference. Result has 386 places, 423 transitions, 16831 flow [2021-03-26 13:38:24,332 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} [2021-03-26 13:38:24,332 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 348 predicate places. [2021-03-26 13:38:24,332 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:24,333 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 423 transitions, 16831 flow [2021-03-26 13:38:24,333 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 423 transitions, 16831 flow [2021-03-26 13:38:24,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 380 places, 423 transitions, 16831 flow [2021-03-26 13:38:24,747 INFO L129 PetriNetUnfolder]: 165/2532 cut-off events. [2021-03-26 13:38:24,747 INFO L130 PetriNetUnfolder]: For 119520/119723 co-relation queries the response was YES. [2021-03-26 13:38:24,772 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. [2021-03-26 13:38:24,796 INFO L142 LiptonReduction]: Number of co-enabled transitions 2896 [2021-03-26 13:38:24,823 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:24,823 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:24,823 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 491 [2021-03-26 13:38:24,823 INFO L480 AbstractCegarLoop]: Abstraction has has 380 places, 423 transitions, 16831 flow [2021-03-26 13:38:24,823 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) [2021-03-26 13:38:24,824 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:24,824 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:24,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-03-26 13:38:24,824 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]=== [2021-03-26 13:38:24,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:24,824 INFO L82 PathProgramCache]: Analyzing trace with hash 222700006, now seen corresponding path program 69 times [2021-03-26 13:38:24,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:24,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524756909] [2021-03-26 13:38:24,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:24,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:24,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:24,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:24,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:24,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:24,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:24,845 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:24,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:24,864 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:38:24,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:38:24,886 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:38:24,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:38:24,906 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:24,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:24,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:24,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524756909] [2021-03-26 13:38:24,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:24,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:24,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242572599] [2021-03-26 13:38:24,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:24,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:24,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:24,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:24,925 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:24,925 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) [2021-03-26 13:38:24,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:24,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:24,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:25,673 INFO L129 PetriNetUnfolder]: 228/2648 cut-off events. [2021-03-26 13:38:25,673 INFO L130 PetriNetUnfolder]: For 127173/127668 co-relation queries the response was YES. [2021-03-26 13:38:25,703 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. [2021-03-26 13:38:25,708 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 268 selfloop transitions, 144 changer transitions 3/429 dead transitions. [2021-03-26 13:38:25,708 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 429 transitions, 17863 flow [2021-03-26 13:38:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:25,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:25,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:25,709 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:25,710 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:25,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:25,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:25,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:25,710 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) [2021-03-26 13:38:25,711 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) [2021-03-26 13:38:25,711 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) [2021-03-26 13:38:25,711 INFO L185 Difference]: Start difference. First operand has 380 places, 423 transitions, 16831 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:25,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 429 transitions, 17863 flow [2021-03-26 13:38:26,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 429 transitions, 17403 flow, removed 31 selfloop flow, removed 11 redundant places. [2021-03-26 13:38:26,352 INFO L241 Difference]: Finished difference. Result has 377 places, 420 transitions, 16574 flow [2021-03-26 13:38:26,352 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} [2021-03-26 13:38:26,352 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 339 predicate places. [2021-03-26 13:38:26,353 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:26,353 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 420 transitions, 16574 flow [2021-03-26 13:38:26,353 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 420 transitions, 16574 flow [2021-03-26 13:38:26,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 376 places, 420 transitions, 16574 flow [2021-03-26 13:38:26,780 INFO L129 PetriNetUnfolder]: 164/2520 cut-off events. [2021-03-26 13:38:26,780 INFO L130 PetriNetUnfolder]: For 102003/102203 co-relation queries the response was YES. [2021-03-26 13:38:26,806 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. [2021-03-26 13:38:26,832 INFO L142 LiptonReduction]: Number of co-enabled transitions 2874 [2021-03-26 13:38:26,860 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:26,860 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:26,860 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 507 [2021-03-26 13:38:26,860 INFO L480 AbstractCegarLoop]: Abstraction has has 376 places, 420 transitions, 16574 flow [2021-03-26 13:38:26,861 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) [2021-03-26 13:38:26,861 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:26,861 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:26,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-26 13:38:26,861 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]=== [2021-03-26 13:38:26,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:26,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1799376378, now seen corresponding path program 70 times [2021-03-26 13:38:26,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:26,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401662282] [2021-03-26 13:38:26,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:26,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:26,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:26,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:26,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:26,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:26,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:26,885 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:26,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:26,907 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:38:26,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:38:26,924 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:26,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:26,943 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:26,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:26,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:26,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401662282] [2021-03-26 13:38:26,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:26,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:26,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408150476] [2021-03-26 13:38:26,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:26,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:26,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:26,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:26,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:26,982 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) [2021-03-26 13:38:26,982 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:26,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:26,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:27,773 INFO L129 PetriNetUnfolder]: 227/2636 cut-off events. [2021-03-26 13:38:27,773 INFO L130 PetriNetUnfolder]: For 108801/109296 co-relation queries the response was YES. [2021-03-26 13:38:27,797 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. [2021-03-26 13:38:27,802 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 152 changer transitions 0/426 dead transitions. [2021-03-26 13:38:27,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 426 transitions, 17560 flow [2021-03-26 13:38:27,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:27,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:27,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:27,803 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:27,803 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:27,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:27,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:27,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:27,803 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) [2021-03-26 13:38:27,804 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) [2021-03-26 13:38:27,804 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) [2021-03-26 13:38:27,804 INFO L185 Difference]: Start difference. First operand has 376 places, 420 transitions, 16574 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:27,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 426 transitions, 17560 flow [2021-03-26 13:38:28,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 426 transitions, 17403 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-26 13:38:28,364 INFO L241 Difference]: Finished difference. Result has 380 places, 420 transitions, 16732 flow [2021-03-26 13:38:28,365 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} [2021-03-26 13:38:28,365 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 342 predicate places. [2021-03-26 13:38:28,365 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:28,365 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 380 places, 420 transitions, 16732 flow [2021-03-26 13:38:28,365 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 380 places, 420 transitions, 16732 flow [2021-03-26 13:38:28,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 380 places, 420 transitions, 16732 flow [2021-03-26 13:38:28,760 INFO L129 PetriNetUnfolder]: 164/2519 cut-off events. [2021-03-26 13:38:28,760 INFO L130 PetriNetUnfolder]: For 102711/102910 co-relation queries the response was YES. [2021-03-26 13:38:28,788 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. [2021-03-26 13:38:28,814 INFO L142 LiptonReduction]: Number of co-enabled transitions 2874 [2021-03-26 13:38:28,854 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:28,855 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:28,855 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 490 [2021-03-26 13:38:28,855 INFO L480 AbstractCegarLoop]: Abstraction has has 380 places, 420 transitions, 16732 flow [2021-03-26 13:38:28,855 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) [2021-03-26 13:38:28,855 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:28,855 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:28,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-03-26 13:38:28,855 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]=== [2021-03-26 13:38:28,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:28,856 INFO L82 PathProgramCache]: Analyzing trace with hash -259402748, now seen corresponding path program 71 times [2021-03-26 13:38:28,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:28,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091392108] [2021-03-26 13:38:28,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:28,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:28,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:28,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:28,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:28,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:28,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:28,877 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:28,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:28,898 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:38:28,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:38:28,915 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:38:28,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:38:28,934 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:28,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:28,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091392108] [2021-03-26 13:38:28,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:28,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:28,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904041408] [2021-03-26 13:38:28,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:28,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:28,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:28,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:28,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:28,956 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) [2021-03-26 13:38:28,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:28,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:28,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:29,684 INFO L129 PetriNetUnfolder]: 227/2635 cut-off events. [2021-03-26 13:38:29,684 INFO L130 PetriNetUnfolder]: For 109137/109632 co-relation queries the response was YES. [2021-03-26 13:38:29,714 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. [2021-03-26 13:38:29,720 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 148 changer transitions 4/426 dead transitions. [2021-03-26 13:38:29,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 426 transitions, 17718 flow [2021-03-26 13:38:29,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:29,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:29,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:29,721 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:29,721 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:29,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:29,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:29,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:29,721 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) [2021-03-26 13:38:29,722 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) [2021-03-26 13:38:29,722 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) [2021-03-26 13:38:29,722 INFO L185 Difference]: Start difference. First operand has 380 places, 420 transitions, 16732 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:29,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 426 transitions, 17718 flow [2021-03-26 13:38:30,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 426 transitions, 17391 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-26 13:38:30,319 INFO L241 Difference]: Finished difference. Result has 383 places, 416 transitions, 16482 flow [2021-03-26 13:38:30,319 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} [2021-03-26 13:38:30,319 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 345 predicate places. [2021-03-26 13:38:30,319 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:30,320 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 383 places, 416 transitions, 16482 flow [2021-03-26 13:38:30,320 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 383 places, 416 transitions, 16482 flow [2021-03-26 13:38:30,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 381 places, 416 transitions, 16482 flow [2021-03-26 13:38:30,698 INFO L129 PetriNetUnfolder]: 163/2504 cut-off events. [2021-03-26 13:38:30,699 INFO L130 PetriNetUnfolder]: For 102036/102236 co-relation queries the response was YES. [2021-03-26 13:38:30,723 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. [2021-03-26 13:38:30,805 INFO L142 LiptonReduction]: Number of co-enabled transitions 2828 [2021-03-26 13:38:30,831 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:30,831 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:30,831 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 512 [2021-03-26 13:38:30,831 INFO L480 AbstractCegarLoop]: Abstraction has has 381 places, 416 transitions, 16482 flow [2021-03-26 13:38:30,831 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) [2021-03-26 13:38:30,832 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:30,832 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:30,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-03-26 13:38:30,832 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]=== [2021-03-26 13:38:30,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:30,832 INFO L82 PathProgramCache]: Analyzing trace with hash 190516096, now seen corresponding path program 72 times [2021-03-26 13:38:30,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:30,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966606204] [2021-03-26 13:38:30,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:30,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:30,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:30,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:30,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:30,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:30,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:30,859 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:30,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:30,878 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:38:30,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:38:30,903 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:30,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:30,932 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:30,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:30,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:30,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966606204] [2021-03-26 13:38:30,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:30,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:30,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648064019] [2021-03-26 13:38:30,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:30,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:30,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:30,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:30,951 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:30,951 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) [2021-03-26 13:38:30,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:30,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:30,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:31,685 INFO L129 PetriNetUnfolder]: 226/2620 cut-off events. [2021-03-26 13:38:31,686 INFO L130 PetriNetUnfolder]: For 109010/109503 co-relation queries the response was YES. [2021-03-26 13:38:31,712 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. [2021-03-26 13:38:31,718 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 262 selfloop transitions, 144 changer transitions 2/422 dead transitions. [2021-03-26 13:38:31,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 422 transitions, 17468 flow [2021-03-26 13:38:31,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:31,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:31,719 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:31,719 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:31,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:31,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:31,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:31,719 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) [2021-03-26 13:38:31,720 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) [2021-03-26 13:38:31,720 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) [2021-03-26 13:38:31,720 INFO L185 Difference]: Start difference. First operand has 381 places, 416 transitions, 16482 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:31,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 422 transitions, 17468 flow [2021-03-26 13:38:32,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 422 transitions, 17228 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 13:38:32,358 INFO L241 Difference]: Finished difference. Result has 385 places, 415 transitions, 16535 flow [2021-03-26 13:38:32,359 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} [2021-03-26 13:38:32,359 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 347 predicate places. [2021-03-26 13:38:32,359 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:32,359 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 385 places, 415 transitions, 16535 flow [2021-03-26 13:38:32,359 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 385 places, 415 transitions, 16535 flow [2021-03-26 13:38:32,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 384 places, 415 transitions, 16535 flow [2021-03-26 13:38:32,742 INFO L129 PetriNetUnfolder]: 162/2494 cut-off events. [2021-03-26 13:38:32,742 INFO L130 PetriNetUnfolder]: For 100838/101038 co-relation queries the response was YES. [2021-03-26 13:38:32,769 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. [2021-03-26 13:38:32,798 INFO L142 LiptonReduction]: Number of co-enabled transitions 2828 [2021-03-26 13:38:32,825 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:32,826 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:32,826 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 467 [2021-03-26 13:38:32,826 INFO L480 AbstractCegarLoop]: Abstraction has has 384 places, 415 transitions, 16535 flow [2021-03-26 13:38:32,826 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) [2021-03-26 13:38:32,826 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:32,826 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:32,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-03-26 13:38:32,826 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]=== [2021-03-26 13:38:32,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:32,827 INFO L82 PathProgramCache]: Analyzing trace with hash -775394714, now seen corresponding path program 73 times [2021-03-26 13:38:32,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:32,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374568908] [2021-03-26 13:38:32,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:32,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:32,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:32,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:32,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:32,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:32,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:32,852 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:32,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:32,873 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:38:32,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:38:32,901 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:32,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:32,922 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:32,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:32,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374568908] [2021-03-26 13:38:32,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:32,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:32,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166954886] [2021-03-26 13:38:32,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:32,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:32,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:32,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:32,941 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:32,941 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) [2021-03-26 13:38:32,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:32,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:32,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:33,707 INFO L129 PetriNetUnfolder]: 225/2610 cut-off events. [2021-03-26 13:38:33,707 INFO L130 PetriNetUnfolder]: For 107478/107973 co-relation queries the response was YES. [2021-03-26 13:38:33,748 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. [2021-03-26 13:38:33,755 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 261 selfloop transitions, 143 changer transitions 2/420 dead transitions. [2021-03-26 13:38:33,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 420 transitions, 17465 flow [2021-03-26 13:38:33,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:33,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:33,756 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:33,756 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:33,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:33,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:33,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:33,757 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) [2021-03-26 13:38:33,757 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) [2021-03-26 13:38:33,758 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) [2021-03-26 13:38:33,758 INFO L185 Difference]: Start difference. First operand has 384 places, 415 transitions, 16535 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:33,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 420 transitions, 17465 flow [2021-03-26 13:38:34,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 420 transitions, 17229 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-26 13:38:34,470 INFO L241 Difference]: Finished difference. Result has 388 places, 413 transitions, 16488 flow [2021-03-26 13:38:34,470 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} [2021-03-26 13:38:34,470 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 350 predicate places. [2021-03-26 13:38:34,470 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:34,470 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 388 places, 413 transitions, 16488 flow [2021-03-26 13:38:34,470 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 388 places, 413 transitions, 16488 flow [2021-03-26 13:38:34,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 387 places, 413 transitions, 16488 flow [2021-03-26 13:38:34,859 INFO L129 PetriNetUnfolder]: 161/2484 cut-off events. [2021-03-26 13:38:34,859 INFO L130 PetriNetUnfolder]: For 100571/100771 co-relation queries the response was YES. [2021-03-26 13:38:34,886 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. [2021-03-26 13:38:34,913 INFO L142 LiptonReduction]: Number of co-enabled transitions 2824 [2021-03-26 13:38:34,941 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:34,941 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:34,941 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 471 [2021-03-26 13:38:34,941 INFO L480 AbstractCegarLoop]: Abstraction has has 387 places, 413 transitions, 16488 flow [2021-03-26 13:38:34,942 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) [2021-03-26 13:38:34,942 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:34,942 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:34,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-03-26 13:38:34,942 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]=== [2021-03-26 13:38:34,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:34,942 INFO L82 PathProgramCache]: Analyzing trace with hash -323408046, now seen corresponding path program 74 times [2021-03-26 13:38:34,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:34,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315367621] [2021-03-26 13:38:34,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:34,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:34,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:34,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:34,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:34,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:34,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:34,962 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:34,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:34,992 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:38:34,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:38:35,017 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:38:35,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:38:35,037 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:35,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:35,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:35,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315367621] [2021-03-26 13:38:35,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:35,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:35,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214092141] [2021-03-26 13:38:35,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:35,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:35,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:35,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:35,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:35,057 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) [2021-03-26 13:38:35,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:35,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:35,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:35,776 INFO L129 PetriNetUnfolder]: 224/2600 cut-off events. [2021-03-26 13:38:35,777 INFO L130 PetriNetUnfolder]: For 106882/107377 co-relation queries the response was YES. [2021-03-26 13:38:35,803 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. [2021-03-26 13:38:35,809 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 272 selfloop transitions, 141 changer transitions 0/427 dead transitions. [2021-03-26 13:38:35,809 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 427 transitions, 17792 flow [2021-03-26 13:38:35,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:35,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:35,810 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:35,810 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:35,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:35,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:35,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:35,810 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) [2021-03-26 13:38:35,811 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) [2021-03-26 13:38:35,811 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) [2021-03-26 13:38:35,811 INFO L185 Difference]: Start difference. First operand has 387 places, 413 transitions, 16488 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:35,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 427 transitions, 17792 flow [2021-03-26 13:38:36,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 427 transitions, 17416 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-26 13:38:36,417 INFO L241 Difference]: Finished difference. Result has 390 places, 422 transitions, 16829 flow [2021-03-26 13:38:36,418 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} [2021-03-26 13:38:36,418 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 352 predicate places. [2021-03-26 13:38:36,418 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:36,418 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 390 places, 422 transitions, 16829 flow [2021-03-26 13:38:36,418 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 390 places, 422 transitions, 16829 flow [2021-03-26 13:38:36,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 390 places, 422 transitions, 16829 flow [2021-03-26 13:38:36,805 INFO L129 PetriNetUnfolder]: 161/2483 cut-off events. [2021-03-26 13:38:36,805 INFO L130 PetriNetUnfolder]: For 100394/100593 co-relation queries the response was YES. [2021-03-26 13:38:36,833 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. [2021-03-26 13:38:36,858 INFO L142 LiptonReduction]: Number of co-enabled transitions 2848 [2021-03-26 13:38:36,887 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:36,887 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:36,887 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 469 [2021-03-26 13:38:36,887 INFO L480 AbstractCegarLoop]: Abstraction has has 390 places, 422 transitions, 16829 flow [2021-03-26 13:38:36,888 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) [2021-03-26 13:38:36,888 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:36,888 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:36,888 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-03-26 13:38:36,888 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]=== [2021-03-26 13:38:36,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:36,888 INFO L82 PathProgramCache]: Analyzing trace with hash 723540934, now seen corresponding path program 75 times [2021-03-26 13:38:36,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:36,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384091817] [2021-03-26 13:38:36,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:36,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:36,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:36,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:36,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:36,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:36,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:36,913 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:36,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:36,933 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:38:36,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:38:36,958 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:38:36,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:38:36,980 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:36,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:37,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:37,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384091817] [2021-03-26 13:38:37,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:37,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:37,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098334270] [2021-03-26 13:38:37,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:37,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:37,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:37,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:37,003 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:37,003 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) [2021-03-26 13:38:37,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:37,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:37,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:37,730 INFO L129 PetriNetUnfolder]: 224/2599 cut-off events. [2021-03-26 13:38:37,730 INFO L130 PetriNetUnfolder]: For 107192/107687 co-relation queries the response was YES. [2021-03-26 13:38:37,757 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. [2021-03-26 13:38:37,762 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 276 selfloop transitions, 135 changer transitions 2/427 dead transitions. [2021-03-26 13:38:37,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 427 transitions, 17773 flow [2021-03-26 13:38:37,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:37,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:37,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:37,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:37,763 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:37,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:37,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:37,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:37,764 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) [2021-03-26 13:38:37,764 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) [2021-03-26 13:38:37,764 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) [2021-03-26 13:38:37,764 INFO L185 Difference]: Start difference. First operand has 390 places, 422 transitions, 16829 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:37,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 427 transitions, 17773 flow [2021-03-26 13:38:38,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 427 transitions, 17549 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 13:38:38,345 INFO L241 Difference]: Finished difference. Result has 395 places, 420 transitions, 16780 flow [2021-03-26 13:38:38,345 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} [2021-03-26 13:38:38,345 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 357 predicate places. [2021-03-26 13:38:38,345 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:38,345 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 420 transitions, 16780 flow [2021-03-26 13:38:38,346 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 420 transitions, 16780 flow [2021-03-26 13:38:38,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 394 places, 420 transitions, 16780 flow [2021-03-26 13:38:38,728 INFO L129 PetriNetUnfolder]: 160/2473 cut-off events. [2021-03-26 13:38:38,728 INFO L130 PetriNetUnfolder]: For 102657/102857 co-relation queries the response was YES. [2021-03-26 13:38:38,755 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. [2021-03-26 13:38:38,780 INFO L142 LiptonReduction]: Number of co-enabled transitions 2830 [2021-03-26 13:38:38,808 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:38,808 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:38,808 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 463 [2021-03-26 13:38:38,809 INFO L480 AbstractCegarLoop]: Abstraction has has 394 places, 420 transitions, 16780 flow [2021-03-26 13:38:38,809 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) [2021-03-26 13:38:38,809 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:38,809 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:38,809 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-03-26 13:38:38,809 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]=== [2021-03-26 13:38:38,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:38,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1524776512, now seen corresponding path program 76 times [2021-03-26 13:38:38,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:38,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101804272] [2021-03-26 13:38:38,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:38,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:38,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:38,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:38,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:38,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:38,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:38,830 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:38,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:38,849 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:38,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:38,868 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:38,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:38,890 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:38,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:38,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:38,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101804272] [2021-03-26 13:38:38,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:38,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:38,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512842406] [2021-03-26 13:38:38,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:38,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:38,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:38,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:38,912 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:38,912 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) [2021-03-26 13:38:38,912 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:38,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:38,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:39,641 INFO L129 PetriNetUnfolder]: 223/2589 cut-off events. [2021-03-26 13:38:39,641 INFO L130 PetriNetUnfolder]: For 109395/109888 co-relation queries the response was YES. [2021-03-26 13:38:39,671 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. [2021-03-26 13:38:39,676 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 279 selfloop transitions, 132 changer transitions 1/426 dead transitions. [2021-03-26 13:38:39,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 426 transitions, 17772 flow [2021-03-26 13:38:39,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:39,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:39,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:39,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:39,677 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:39,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:39,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:39,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:39,678 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) [2021-03-26 13:38:39,678 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) [2021-03-26 13:38:39,679 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) [2021-03-26 13:38:39,679 INFO L185 Difference]: Start difference. First operand has 394 places, 420 transitions, 16780 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:39,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 426 transitions, 17772 flow [2021-03-26 13:38:40,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 426 transitions, 17501 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 13:38:40,304 INFO L241 Difference]: Finished difference. Result has 398 places, 420 transitions, 16787 flow [2021-03-26 13:38:40,304 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} [2021-03-26 13:38:40,304 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 360 predicate places. [2021-03-26 13:38:40,304 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:40,305 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 420 transitions, 16787 flow [2021-03-26 13:38:40,305 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 420 transitions, 16787 flow [2021-03-26 13:38:40,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 397 places, 420 transitions, 16787 flow [2021-03-26 13:38:40,711 INFO L129 PetriNetUnfolder]: 159/2464 cut-off events. [2021-03-26 13:38:40,711 INFO L130 PetriNetUnfolder]: For 102662/102862 co-relation queries the response was YES. [2021-03-26 13:38:40,735 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. [2021-03-26 13:38:40,758 INFO L142 LiptonReduction]: Number of co-enabled transitions 2836 [2021-03-26 13:38:40,785 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:40,785 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:40,785 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 481 [2021-03-26 13:38:40,786 INFO L480 AbstractCegarLoop]: Abstraction has has 397 places, 420 transitions, 16787 flow [2021-03-26 13:38:40,786 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) [2021-03-26 13:38:40,786 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:40,786 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:40,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-03-26 13:38:40,786 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]=== [2021-03-26 13:38:40,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:40,786 INFO L82 PathProgramCache]: Analyzing trace with hash 946021150, now seen corresponding path program 77 times [2021-03-26 13:38:40,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:40,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429159499] [2021-03-26 13:38:40,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:40,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:40,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:40,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:40,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:40,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:40,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:40,808 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:40,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:40,826 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:38:40,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:38:40,849 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:40,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:40,868 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:40,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:40,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429159499] [2021-03-26 13:38:40,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:40,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:40,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878303068] [2021-03-26 13:38:40,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:40,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:40,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:40,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:40,887 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:40,887 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) [2021-03-26 13:38:40,887 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:40,887 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:40,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:41,595 INFO L129 PetriNetUnfolder]: 222/2580 cut-off events. [2021-03-26 13:38:41,596 INFO L130 PetriNetUnfolder]: For 109360/109853 co-relation queries the response was YES. [2021-03-26 13:38:41,622 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. [2021-03-26 13:38:41,627 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 273 selfloop transitions, 134 changer transitions 4/425 dead transitions. [2021-03-26 13:38:41,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 425 transitions, 17735 flow [2021-03-26 13:38:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:41,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:41,628 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:41,628 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:41,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:41,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:41,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:41,629 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) [2021-03-26 13:38:41,629 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) [2021-03-26 13:38:41,629 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) [2021-03-26 13:38:41,629 INFO L185 Difference]: Start difference. First operand has 397 places, 420 transitions, 16787 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:41,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 425 transitions, 17735 flow [2021-03-26 13:38:42,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 425 transitions, 17473 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:38:42,236 INFO L241 Difference]: Finished difference. Result has 400 places, 416 transitions, 16595 flow [2021-03-26 13:38:42,236 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} [2021-03-26 13:38:42,236 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 362 predicate places. [2021-03-26 13:38:42,236 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:42,237 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 400 places, 416 transitions, 16595 flow [2021-03-26 13:38:42,237 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 400 places, 416 transitions, 16595 flow [2021-03-26 13:38:42,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 398 places, 416 transitions, 16595 flow [2021-03-26 13:38:42,615 INFO L129 PetriNetUnfolder]: 158/2447 cut-off events. [2021-03-26 13:38:42,615 INFO L130 PetriNetUnfolder]: For 101467/101667 co-relation queries the response was YES. [2021-03-26 13:38:42,639 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. [2021-03-26 13:38:42,664 INFO L142 LiptonReduction]: Number of co-enabled transitions 2800 [2021-03-26 13:38:42,691 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:42,691 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:42,691 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 455 [2021-03-26 13:38:42,691 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 416 transitions, 16595 flow [2021-03-26 13:38:42,691 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) [2021-03-26 13:38:42,691 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:42,691 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:42,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-03-26 13:38:42,692 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]=== [2021-03-26 13:38:42,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:42,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1610800874, now seen corresponding path program 78 times [2021-03-26 13:38:42,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:42,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942343621] [2021-03-26 13:38:42,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:42,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:42,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:42,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:42,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:42,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:42,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:42,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:42,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:38:42,721 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:38:42,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:38:42,745 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:42,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:42,764 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:42,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:42,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:42,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942343621] [2021-03-26 13:38:42,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:42,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:42,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536512655] [2021-03-26 13:38:42,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:42,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:42,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:42,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:42,783 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:42,784 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) [2021-03-26 13:38:42,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:42,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:42,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:43,591 INFO L129 PetriNetUnfolder]: 224/2727 cut-off events. [2021-03-26 13:38:43,591 INFO L130 PetriNetUnfolder]: For 114617/115112 co-relation queries the response was YES. [2021-03-26 13:38:43,614 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. [2021-03-26 13:38:43,619 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 327 selfloop transitions, 132 changer transitions 2/475 dead transitions. [2021-03-26 13:38:43,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 475 transitions, 20031 flow [2021-03-26 13:38:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:43,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:43,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:43,620 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:43,620 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:43,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:43,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:43,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:43,621 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) [2021-03-26 13:38:43,621 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) [2021-03-26 13:38:43,621 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) [2021-03-26 13:38:43,621 INFO L185 Difference]: Start difference. First operand has 398 places, 416 transitions, 16595 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:43,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 475 transitions, 20031 flow [2021-03-26 13:38:44,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 475 transitions, 19694 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-03-26 13:38:44,234 INFO L241 Difference]: Finished difference. Result has 404 places, 434 transitions, 17612 flow [2021-03-26 13:38:44,234 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} [2021-03-26 13:38:44,234 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 366 predicate places. [2021-03-26 13:38:44,234 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:44,235 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 434 transitions, 17612 flow [2021-03-26 13:38:44,235 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 434 transitions, 17612 flow [2021-03-26 13:38:44,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 403 places, 434 transitions, 17612 flow [2021-03-26 13:38:44,655 INFO L129 PetriNetUnfolder]: 170/2624 cut-off events. [2021-03-26 13:38:44,655 INFO L130 PetriNetUnfolder]: For 112329/112516 co-relation queries the response was YES. [2021-03-26 13:38:44,682 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. [2021-03-26 13:38:44,708 INFO L142 LiptonReduction]: Number of co-enabled transitions 2954 [2021-03-26 13:38:44,738 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:44,738 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:44,738 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 504 [2021-03-26 13:38:44,739 INFO L480 AbstractCegarLoop]: Abstraction has has 403 places, 434 transitions, 17612 flow [2021-03-26 13:38:44,739 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) [2021-03-26 13:38:44,739 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:44,739 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:44,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-03-26 13:38:44,739 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]=== [2021-03-26 13:38:44,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:44,739 INFO L82 PathProgramCache]: Analyzing trace with hash -321503262, now seen corresponding path program 79 times [2021-03-26 13:38:44,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:44,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973659977] [2021-03-26 13:38:44,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:44,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:44,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:44,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:44,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:44,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:44,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:44,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:44,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:38:44,767 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:38:44,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:38:44,791 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:44,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:44,810 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:44,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:44,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:44,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973659977] [2021-03-26 13:38:44,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:44,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:44,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083219539] [2021-03-26 13:38:44,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:44,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:44,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:44,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:44,830 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:44,830 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) [2021-03-26 13:38:44,830 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:44,830 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:44,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:45,625 INFO L129 PetriNetUnfolder]: 223/2717 cut-off events. [2021-03-26 13:38:45,625 INFO L130 PetriNetUnfolder]: For 116507/117041 co-relation queries the response was YES. [2021-03-26 13:38:45,654 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. [2021-03-26 13:38:45,659 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 143 changer transitions 2/459 dead transitions. [2021-03-26 13:38:45,660 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 459 transitions, 19486 flow [2021-03-26 13:38:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:45,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:45,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:45,660 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:45,660 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:45,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:45,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:45,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:45,661 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) [2021-03-26 13:38:45,662 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) [2021-03-26 13:38:45,662 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) [2021-03-26 13:38:45,662 INFO L185 Difference]: Start difference. First operand has 403 places, 434 transitions, 17612 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:45,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 459 transitions, 19486 flow [2021-03-26 13:38:46,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 459 transitions, 19339 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-03-26 13:38:46,370 INFO L241 Difference]: Finished difference. Result has 410 places, 438 transitions, 18067 flow [2021-03-26 13:38:46,371 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} [2021-03-26 13:38:46,371 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 372 predicate places. [2021-03-26 13:38:46,371 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:46,371 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 438 transitions, 18067 flow [2021-03-26 13:38:46,371 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 438 transitions, 18067 flow [2021-03-26 13:38:46,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 409 places, 438 transitions, 18067 flow [2021-03-26 13:38:46,935 INFO L129 PetriNetUnfolder]: 169/2614 cut-off events. [2021-03-26 13:38:46,935 INFO L130 PetriNetUnfolder]: For 115007/115171 co-relation queries the response was YES. [2021-03-26 13:38:46,961 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. [2021-03-26 13:38:46,986 INFO L142 LiptonReduction]: Number of co-enabled transitions 2974 [2021-03-26 13:38:47,032 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:47,032 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:47,032 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 661 [2021-03-26 13:38:47,032 INFO L480 AbstractCegarLoop]: Abstraction has has 409 places, 438 transitions, 18067 flow [2021-03-26 13:38:47,032 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) [2021-03-26 13:38:47,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:47,033 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:47,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-03-26 13:38:47,033 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]=== [2021-03-26 13:38:47,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:47,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1127740514, now seen corresponding path program 80 times [2021-03-26 13:38:47,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:47,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347846667] [2021-03-26 13:38:47,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:47,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:47,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:47,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:47,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:47,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:47,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:47,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:47,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:38:47,068 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:38:47,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:38:47,096 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:47,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:47,118 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:47,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:47,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:47,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347846667] [2021-03-26 13:38:47,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:47,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:47,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926640139] [2021-03-26 13:38:47,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:47,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:47,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:47,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:47,140 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:47,141 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) [2021-03-26 13:38:47,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:47,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:47,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:48,077 INFO L129 PetriNetUnfolder]: 222/2707 cut-off events. [2021-03-26 13:38:48,078 INFO L130 PetriNetUnfolder]: For 120106/120681 co-relation queries the response was YES. [2021-03-26 13:38:48,107 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. [2021-03-26 13:38:48,112 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 141 changer transitions 2/457 dead transitions. [2021-03-26 13:38:48,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 457 transitions, 19645 flow [2021-03-26 13:38:48,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:48,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:48,113 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:48,113 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:48,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:48,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:48,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:48,114 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) [2021-03-26 13:38:48,114 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) [2021-03-26 13:38:48,114 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) [2021-03-26 13:38:48,115 INFO L185 Difference]: Start difference. First operand has 409 places, 438 transitions, 18067 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:48,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 457 transitions, 19645 flow [2021-03-26 13:38:48,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 457 transitions, 19423 flow, removed 17 selfloop flow, removed 5 redundant places. [2021-03-26 13:38:48,799 INFO L241 Difference]: Finished difference. Result has 413 places, 439 transitions, 18212 flow [2021-03-26 13:38:48,800 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} [2021-03-26 13:38:48,800 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 375 predicate places. [2021-03-26 13:38:48,800 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:48,800 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 413 places, 439 transitions, 18212 flow [2021-03-26 13:38:48,800 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 413 places, 439 transitions, 18212 flow [2021-03-26 13:38:48,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 412 places, 439 transitions, 18212 flow [2021-03-26 13:38:49,222 INFO L129 PetriNetUnfolder]: 168/2604 cut-off events. [2021-03-26 13:38:49,222 INFO L130 PetriNetUnfolder]: For 114438/114613 co-relation queries the response was YES. [2021-03-26 13:38:49,252 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. [2021-03-26 13:38:49,277 INFO L142 LiptonReduction]: Number of co-enabled transitions 2996 [2021-03-26 13:38:49,307 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:49,307 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:49,307 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 507 [2021-03-26 13:38:49,307 INFO L480 AbstractCegarLoop]: Abstraction has has 412 places, 439 transitions, 18212 flow [2021-03-26 13:38:49,307 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) [2021-03-26 13:38:49,307 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:49,307 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:49,307 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-03-26 13:38:49,308 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]=== [2021-03-26 13:38:49,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:49,308 INFO L82 PathProgramCache]: Analyzing trace with hash -807282246, now seen corresponding path program 81 times [2021-03-26 13:38:49,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:49,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793024821] [2021-03-26 13:38:49,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:49,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:49,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:49,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:49,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:49,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:49,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:49,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:49,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:38:49,347 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:49,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:49,363 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:49,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:49,386 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:49,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:49,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:49,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793024821] [2021-03-26 13:38:49,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:49,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:49,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278604923] [2021-03-26 13:38:49,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:49,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:49,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:49,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:49,407 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:49,408 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) [2021-03-26 13:38:49,408 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:49,408 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:49,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:50,387 INFO L129 PetriNetUnfolder]: 221/2697 cut-off events. [2021-03-26 13:38:50,387 INFO L130 PetriNetUnfolder]: For 118776/119344 co-relation queries the response was YES. [2021-03-26 13:38:50,413 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. [2021-03-26 13:38:50,418 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 296 selfloop transitions, 145 changer transitions 0/455 dead transitions. [2021-03-26 13:38:50,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 455 transitions, 19626 flow [2021-03-26 13:38:50,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:50,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:50,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:50,419 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:50,419 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:50,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:50,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:50,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:50,419 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) [2021-03-26 13:38:50,420 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) [2021-03-26 13:38:50,420 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) [2021-03-26 13:38:50,420 INFO L185 Difference]: Start difference. First operand has 412 places, 439 transitions, 18212 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:50,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 455 transitions, 19626 flow [2021-03-26 13:38:51,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 455 transitions, 19344 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-03-26 13:38:51,057 INFO L241 Difference]: Finished difference. Result has 416 places, 447 transitions, 18592 flow [2021-03-26 13:38:51,058 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} [2021-03-26 13:38:51,058 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 378 predicate places. [2021-03-26 13:38:51,058 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:51,058 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 416 places, 447 transitions, 18592 flow [2021-03-26 13:38:51,058 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 416 places, 447 transitions, 18592 flow [2021-03-26 13:38:51,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 416 places, 447 transitions, 18592 flow [2021-03-26 13:38:51,496 INFO L129 PetriNetUnfolder]: 168/2603 cut-off events. [2021-03-26 13:38:51,497 INFO L130 PetriNetUnfolder]: For 115106/115270 co-relation queries the response was YES. [2021-03-26 13:38:51,523 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. [2021-03-26 13:38:51,550 INFO L142 LiptonReduction]: Number of co-enabled transitions 3012 [2021-03-26 13:38:51,581 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:51,581 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:51,581 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 523 [2021-03-26 13:38:51,581 INFO L480 AbstractCegarLoop]: Abstraction has has 416 places, 447 transitions, 18592 flow [2021-03-26 13:38:51,581 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) [2021-03-26 13:38:51,581 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:51,581 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:51,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-03-26 13:38:51,582 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]=== [2021-03-26 13:38:51,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:51,582 INFO L82 PathProgramCache]: Analyzing trace with hash -2123439550, now seen corresponding path program 82 times [2021-03-26 13:38:51,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:51,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174593488] [2021-03-26 13:38:51,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:51,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:51,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:51,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:51,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:38:51,614 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:51,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:51,628 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:51,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:51,649 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:51,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:51,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:51,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174593488] [2021-03-26 13:38:51,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:51,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:51,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166917572] [2021-03-26 13:38:51,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:51,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:51,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:51,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:51,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:51,676 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) [2021-03-26 13:38:51,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:51,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:51,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:52,479 INFO L129 PetriNetUnfolder]: 221/2696 cut-off events. [2021-03-26 13:38:52,479 INFO L130 PetriNetUnfolder]: For 119811/120377 co-relation queries the response was YES. [2021-03-26 13:38:52,508 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. [2021-03-26 13:38:52,514 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 297 selfloop transitions, 139 changer transitions 5/455 dead transitions. [2021-03-26 13:38:52,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 455 transitions, 19704 flow [2021-03-26 13:38:52,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:52,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:52,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:52,515 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:52,515 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:52,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:52,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:52,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:52,516 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) [2021-03-26 13:38:52,516 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) [2021-03-26 13:38:52,516 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) [2021-03-26 13:38:52,516 INFO L185 Difference]: Start difference. First operand has 416 places, 447 transitions, 18592 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:52,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 455 transitions, 19704 flow [2021-03-26 13:38:53,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 455 transitions, 19570 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 13:38:53,205 INFO L241 Difference]: Finished difference. Result has 423 places, 444 transitions, 18573 flow [2021-03-26 13:38:53,205 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} [2021-03-26 13:38:53,206 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 385 predicate places. [2021-03-26 13:38:53,206 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:53,206 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 423 places, 444 transitions, 18573 flow [2021-03-26 13:38:53,206 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 423 places, 444 transitions, 18573 flow [2021-03-26 13:38:53,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 421 places, 444 transitions, 18573 flow [2021-03-26 13:38:53,684 INFO L129 PetriNetUnfolder]: 167/2586 cut-off events. [2021-03-26 13:38:53,684 INFO L130 PetriNetUnfolder]: For 117829/118015 co-relation queries the response was YES. [2021-03-26 13:38:53,710 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. [2021-03-26 13:38:53,735 INFO L142 LiptonReduction]: Number of co-enabled transitions 2994 [2021-03-26 13:38:53,765 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:53,765 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:53,765 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 559 [2021-03-26 13:38:53,765 INFO L480 AbstractCegarLoop]: Abstraction has has 421 places, 444 transitions, 18573 flow [2021-03-26 13:38:53,765 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) [2021-03-26 13:38:53,765 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:53,766 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:53,766 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-03-26 13:38:53,766 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]=== [2021-03-26 13:38:53,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:53,766 INFO L82 PathProgramCache]: Analyzing trace with hash -390962630, now seen corresponding path program 83 times [2021-03-26 13:38:53,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:53,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614886393] [2021-03-26 13:38:53,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:53,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:53,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:53,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:53,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:53,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:53,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:53,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:53,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:38:53,797 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:53,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:53,811 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:53,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:53,830 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:53,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:53,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614886393] [2021-03-26 13:38:53,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:53,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:53,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795453311] [2021-03-26 13:38:53,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:53,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:53,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:53,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:53,849 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:53,849 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) [2021-03-26 13:38:53,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:53,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:53,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:54,631 INFO L129 PetriNetUnfolder]: 220/2679 cut-off events. [2021-03-26 13:38:54,631 INFO L130 PetriNetUnfolder]: For 122358/122924 co-relation queries the response was YES. [2021-03-26 13:38:54,659 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. [2021-03-26 13:38:54,665 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 135 changer transitions 1/450 dead transitions. [2021-03-26 13:38:54,665 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 450 transitions, 19599 flow [2021-03-26 13:38:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:54,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:54,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:54,666 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:54,666 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:54,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:54,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:54,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:54,667 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) [2021-03-26 13:38:54,667 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) [2021-03-26 13:38:54,667 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) [2021-03-26 13:38:54,667 INFO L185 Difference]: Start difference. First operand has 421 places, 444 transitions, 18573 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:54,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 450 transitions, 19599 flow [2021-03-26 13:38:55,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 450 transitions, 19314 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-26 13:38:55,390 INFO L241 Difference]: Finished difference. Result has 424 places, 445 transitions, 18625 flow [2021-03-26 13:38:55,390 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} [2021-03-26 13:38:55,391 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 386 predicate places. [2021-03-26 13:38:55,391 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:55,391 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 445 transitions, 18625 flow [2021-03-26 13:38:55,391 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 445 transitions, 18625 flow [2021-03-26 13:38:55,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 423 places, 445 transitions, 18625 flow [2021-03-26 13:38:55,814 INFO L129 PetriNetUnfolder]: 166/2577 cut-off events. [2021-03-26 13:38:55,814 INFO L130 PetriNetUnfolder]: For 116409/116584 co-relation queries the response was YES. [2021-03-26 13:38:55,841 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. [2021-03-26 13:38:55,868 INFO L142 LiptonReduction]: Number of co-enabled transitions 3006 [2021-03-26 13:38:55,914 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:55,915 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:55,915 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 524 [2021-03-26 13:38:55,915 INFO L480 AbstractCegarLoop]: Abstraction has has 423 places, 445 transitions, 18625 flow [2021-03-26 13:38:55,915 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) [2021-03-26 13:38:55,915 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:55,915 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:55,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-03-26 13:38:55,916 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]=== [2021-03-26 13:38:55,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:55,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1098442366, now seen corresponding path program 84 times [2021-03-26 13:38:55,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:55,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172810683] [2021-03-26 13:38:55,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:55,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:55,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:55,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:55,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:55,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:55,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:55,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:55,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:38:55,948 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:55,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:55,965 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:55,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:55,986 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:55,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:56,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:56,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172810683] [2021-03-26 13:38:56,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:56,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:56,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457666798] [2021-03-26 13:38:56,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:56,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:56,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:56,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:56,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:56,008 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) [2021-03-26 13:38:56,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:56,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:56,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:56,879 INFO L129 PetriNetUnfolder]: 219/2670 cut-off events. [2021-03-26 13:38:56,880 INFO L130 PetriNetUnfolder]: For 120663/121229 co-relation queries the response was YES. [2021-03-26 13:38:56,908 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. [2021-03-26 13:38:56,913 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 299 selfloop transitions, 134 changer transitions 2/449 dead transitions. [2021-03-26 13:38:56,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 449 transitions, 19575 flow [2021-03-26 13:38:56,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:56,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:56,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:56,914 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:56,914 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:56,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:56,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:56,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:56,914 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) [2021-03-26 13:38:56,915 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) [2021-03-26 13:38:56,915 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) [2021-03-26 13:38:56,915 INFO L185 Difference]: Start difference. First operand has 423 places, 445 transitions, 18625 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:56,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 449 transitions, 19575 flow [2021-03-26 13:38:57,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 449 transitions, 19334 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:38:57,569 INFO L241 Difference]: Finished difference. Result has 426 places, 443 transitions, 18551 flow [2021-03-26 13:38:57,569 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} [2021-03-26 13:38:57,569 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 388 predicate places. [2021-03-26 13:38:57,569 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:57,570 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 443 transitions, 18551 flow [2021-03-26 13:38:57,570 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 426 places, 443 transitions, 18551 flow [2021-03-26 13:38:57,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 425 places, 443 transitions, 18551 flow [2021-03-26 13:38:58,002 INFO L129 PetriNetUnfolder]: 165/2567 cut-off events. [2021-03-26 13:38:58,002 INFO L130 PetriNetUnfolder]: For 115511/115675 co-relation queries the response was YES. [2021-03-26 13:38:58,033 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. [2021-03-26 13:38:58,061 INFO L142 LiptonReduction]: Number of co-enabled transitions 2996 [2021-03-26 13:38:58,092 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:58,092 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:58,092 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 523 [2021-03-26 13:38:58,092 INFO L480 AbstractCegarLoop]: Abstraction has has 425 places, 443 transitions, 18551 flow [2021-03-26 13:38:58,092 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) [2021-03-26 13:38:58,092 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:58,092 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:58,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-03-26 13:38:58,093 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]=== [2021-03-26 13:38:58,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:58,093 INFO L82 PathProgramCache]: Analyzing trace with hash -404992948, now seen corresponding path program 85 times [2021-03-26 13:38:58,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:58,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520900867] [2021-03-26 13:38:58,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:58,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:58,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:58,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:58,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:58,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:58,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:58,114 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:38:58,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:38:58,126 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:58,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:58,142 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:58,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:58,163 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:38:58,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:38:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:58,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520900867] [2021-03-26 13:38:58,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:58,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:38:58,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060017582] [2021-03-26 13:38:58,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:38:58,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:58,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:38:58,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:38:58,185 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:38:58,185 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) [2021-03-26 13:38:58,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:58,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:38:58,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:59,181 INFO L129 PetriNetUnfolder]: 218/2660 cut-off events. [2021-03-26 13:38:59,181 INFO L130 PetriNetUnfolder]: For 119980/120548 co-relation queries the response was YES. [2021-03-26 13:38:59,212 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. [2021-03-26 13:38:59,218 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 255 selfloop transitions, 186 changer transitions 0/455 dead transitions. [2021-03-26 13:38:59,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 455 transitions, 19914 flow [2021-03-26 13:38:59,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:38:59,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:38:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:38:59,219 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:38:59,219 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:38:59,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:38:59,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:59,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:38:59,220 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) [2021-03-26 13:38:59,220 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) [2021-03-26 13:38:59,220 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) [2021-03-26 13:38:59,220 INFO L185 Difference]: Start difference. First operand has 425 places, 443 transitions, 18551 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:38:59,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 455 transitions, 19914 flow [2021-03-26 13:38:59,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 455 transitions, 19640 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:38:59,935 INFO L241 Difference]: Finished difference. Result has 429 places, 448 transitions, 19012 flow [2021-03-26 13:38:59,935 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} [2021-03-26 13:38:59,935 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 391 predicate places. [2021-03-26 13:38:59,935 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:59,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 448 transitions, 19012 flow [2021-03-26 13:38:59,935 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 448 transitions, 19012 flow [2021-03-26 13:38:59,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 429 places, 448 transitions, 19012 flow [2021-03-26 13:39:00,386 INFO L129 PetriNetUnfolder]: 165/2566 cut-off events. [2021-03-26 13:39:00,387 INFO L130 PetriNetUnfolder]: For 117068/117244 co-relation queries the response was YES. [2021-03-26 13:39:00,413 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. [2021-03-26 13:39:00,439 INFO L142 LiptonReduction]: Number of co-enabled transitions 3066 [2021-03-26 13:39:00,469 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:00,469 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:00,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 534 [2021-03-26 13:39:00,470 INFO L480 AbstractCegarLoop]: Abstraction has has 429 places, 448 transitions, 19012 flow [2021-03-26 13:39:00,470 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) [2021-03-26 13:39:00,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:00,470 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:00,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-03-26 13:39:00,470 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]=== [2021-03-26 13:39:00,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:00,470 INFO L82 PathProgramCache]: Analyzing trace with hash -659693220, now seen corresponding path program 86 times [2021-03-26 13:39:00,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:00,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480448838] [2021-03-26 13:39:00,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:00,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:00,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:00,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:00,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:00,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:00,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:00,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:00,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:39:00,516 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:00,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:00,530 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:00,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:00,549 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:00,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:00,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:00,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480448838] [2021-03-26 13:39:00,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:00,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:00,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014199519] [2021-03-26 13:39:00,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:00,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:00,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:00,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:00,568 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:00,568 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) [2021-03-26 13:39:00,568 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:00,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:00,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:01,362 INFO L129 PetriNetUnfolder]: 218/2659 cut-off events. [2021-03-26 13:39:01,363 INFO L130 PetriNetUnfolder]: For 121484/122068 co-relation queries the response was YES. [2021-03-26 13:39:01,391 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. [2021-03-26 13:39:01,396 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 270 selfloop transitions, 171 changer transitions 0/455 dead transitions. [2021-03-26 13:39:01,396 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 455 transitions, 20112 flow [2021-03-26 13:39:01,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:01,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:01,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:01,397 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:01,397 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:01,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:01,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:01,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:01,397 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) [2021-03-26 13:39:01,398 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) [2021-03-26 13:39:01,398 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) [2021-03-26 13:39:01,398 INFO L185 Difference]: Start difference. First operand has 429 places, 448 transitions, 19012 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:01,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 455 transitions, 20112 flow [2021-03-26 13:39:02,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 455 transitions, 19785 flow, removed 25 selfloop flow, removed 4 redundant places. [2021-03-26 13:39:02,138 INFO L241 Difference]: Finished difference. Result has 433 places, 448 transitions, 19030 flow [2021-03-26 13:39:02,139 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} [2021-03-26 13:39:02,139 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 395 predicate places. [2021-03-26 13:39:02,139 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:02,139 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 433 places, 448 transitions, 19030 flow [2021-03-26 13:39:02,139 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 433 places, 448 transitions, 19030 flow [2021-03-26 13:39:02,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 433 places, 448 transitions, 19030 flow [2021-03-26 13:39:02,599 INFO L129 PetriNetUnfolder]: 165/2565 cut-off events. [2021-03-26 13:39:02,599 INFO L130 PetriNetUnfolder]: For 118146/118310 co-relation queries the response was YES. [2021-03-26 13:39:02,629 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. [2021-03-26 13:39:02,657 INFO L142 LiptonReduction]: Number of co-enabled transitions 3066 [2021-03-26 13:39:02,688 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:02,688 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:02,688 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 549 [2021-03-26 13:39:02,688 INFO L480 AbstractCegarLoop]: Abstraction has has 433 places, 448 transitions, 19030 flow [2021-03-26 13:39:02,689 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) [2021-03-26 13:39:02,689 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:02,689 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:02,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-03-26 13:39:02,689 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]=== [2021-03-26 13:39:02,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:02,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1100896414, now seen corresponding path program 87 times [2021-03-26 13:39:02,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:02,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786463266] [2021-03-26 13:39:02,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:02,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:02,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:02,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:02,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:02,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:02,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:02,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:02,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:39:02,717 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:39:02,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:39:02,742 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:39:02,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:39:02,765 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:02,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:02,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786463266] [2021-03-26 13:39:02,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:02,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:02,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162625146] [2021-03-26 13:39:02,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:02,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:02,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:02,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:02,784 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:02,785 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) [2021-03-26 13:39:02,785 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:02,785 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:02,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:03,596 INFO L129 PetriNetUnfolder]: 218/2658 cut-off events. [2021-03-26 13:39:03,596 INFO L130 PetriNetUnfolder]: For 123110/123682 co-relation queries the response was YES. [2021-03-26 13:39:03,624 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. [2021-03-26 13:39:03,629 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 274 selfloop transitions, 165 changer transitions 2/455 dead transitions. [2021-03-26 13:39:03,629 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 455 transitions, 20138 flow [2021-03-26 13:39:03,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:03,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:03,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:03,630 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:03,630 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:03,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:03,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:03,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:03,631 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) [2021-03-26 13:39:03,631 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) [2021-03-26 13:39:03,631 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) [2021-03-26 13:39:03,631 INFO L185 Difference]: Start difference. First operand has 433 places, 448 transitions, 19030 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:03,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 455 transitions, 20138 flow [2021-03-26 13:39:04,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 455 transitions, 19851 flow, removed 21 selfloop flow, removed 3 redundant places. [2021-03-26 13:39:04,342 INFO L241 Difference]: Finished difference. Result has 438 places, 446 transitions, 18969 flow [2021-03-26 13:39:04,342 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} [2021-03-26 13:39:04,342 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 400 predicate places. [2021-03-26 13:39:04,342 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:04,342 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 438 places, 446 transitions, 18969 flow [2021-03-26 13:39:04,342 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 438 places, 446 transitions, 18969 flow [2021-03-26 13:39:04,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 437 places, 446 transitions, 18969 flow [2021-03-26 13:39:04,748 INFO L129 PetriNetUnfolder]: 164/2555 cut-off events. [2021-03-26 13:39:04,748 INFO L130 PetriNetUnfolder]: For 120447/120612 co-relation queries the response was YES. [2021-03-26 13:39:04,774 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. [2021-03-26 13:39:04,800 INFO L142 LiptonReduction]: Number of co-enabled transitions 3048 [2021-03-26 13:39:04,847 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:04,848 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:04,848 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 506 [2021-03-26 13:39:04,848 INFO L480 AbstractCegarLoop]: Abstraction has has 437 places, 446 transitions, 18969 flow [2021-03-26 13:39:04,848 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) [2021-03-26 13:39:04,848 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:04,848 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:04,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-03-26 13:39:04,848 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]=== [2021-03-26 13:39:04,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:04,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1102592360, now seen corresponding path program 88 times [2021-03-26 13:39:04,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:04,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013202999] [2021-03-26 13:39:04,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:04,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:04,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:04,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:04,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:04,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:04,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:04,870 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:04,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:04,882 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:04,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:04,900 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:04,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:04,922 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:04,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:04,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:04,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013202999] [2021-03-26 13:39:04,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:04,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:04,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506056028] [2021-03-26 13:39:04,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:04,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:04,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:04,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:04,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:04,948 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) [2021-03-26 13:39:04,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:04,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:04,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:05,990 INFO L129 PetriNetUnfolder]: 217/2648 cut-off events. [2021-03-26 13:39:05,990 INFO L130 PetriNetUnfolder]: For 125384/125966 co-relation queries the response was YES. [2021-03-26 13:39:06,019 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. [2021-03-26 13:39:06,025 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 248 selfloop transitions, 191 changer transitions 0/453 dead transitions. [2021-03-26 13:39:06,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 453 transitions, 20081 flow [2021-03-26 13:39:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:06,026 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:06,026 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:06,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:06,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:06,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:06,027 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) [2021-03-26 13:39:06,027 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) [2021-03-26 13:39:06,027 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) [2021-03-26 13:39:06,027 INFO L185 Difference]: Start difference. First operand has 437 places, 446 transitions, 18969 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:06,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 453 transitions, 20081 flow [2021-03-26 13:39:06,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 453 transitions, 19766 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:39:06,760 INFO L241 Difference]: Finished difference. Result has 440 places, 446 transitions, 19047 flow [2021-03-26 13:39:06,761 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} [2021-03-26 13:39:06,761 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 402 predicate places. [2021-03-26 13:39:06,761 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:06,761 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 440 places, 446 transitions, 19047 flow [2021-03-26 13:39:06,761 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 440 places, 446 transitions, 19047 flow [2021-03-26 13:39:06,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 440 places, 446 transitions, 19047 flow [2021-03-26 13:39:07,200 INFO L129 PetriNetUnfolder]: 164/2554 cut-off events. [2021-03-26 13:39:07,200 INFO L130 PetriNetUnfolder]: For 120387/120565 co-relation queries the response was YES. [2021-03-26 13:39:07,229 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. [2021-03-26 13:39:07,256 INFO L142 LiptonReduction]: Number of co-enabled transitions 3048 [2021-03-26 13:39:07,286 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:07,286 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:07,286 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 525 [2021-03-26 13:39:07,287 INFO L480 AbstractCegarLoop]: Abstraction has has 440 places, 446 transitions, 19047 flow [2021-03-26 13:39:07,287 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) [2021-03-26 13:39:07,287 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:07,287 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:07,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-26 13:39:07,287 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]=== [2021-03-26 13:39:07,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:07,287 INFO L82 PathProgramCache]: Analyzing trace with hash -828247792, now seen corresponding path program 89 times [2021-03-26 13:39:07,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:07,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519193309] [2021-03-26 13:39:07,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:07,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:07,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:07,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:07,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:07,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:07,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:07,308 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:07,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:07,320 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:39:07,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:39:07,345 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:07,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:07,364 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:07,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:07,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519193309] [2021-03-26 13:39:07,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:07,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:07,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764003282] [2021-03-26 13:39:07,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:07,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:07,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:07,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:07,383 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:07,384 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) [2021-03-26 13:39:07,384 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:07,384 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:07,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:08,171 INFO L129 PetriNetUnfolder]: 217/2647 cut-off events. [2021-03-26 13:39:08,171 INFO L130 PetriNetUnfolder]: For 125324/125920 co-relation queries the response was YES. [2021-03-26 13:39:08,206 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. [2021-03-26 13:39:08,213 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 254 selfloop transitions, 185 changer transitions 0/453 dead transitions. [2021-03-26 13:39:08,213 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 453 transitions, 20159 flow [2021-03-26 13:39:08,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:08,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:08,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:08,214 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:08,214 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:08,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:08,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:08,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:08,215 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) [2021-03-26 13:39:08,215 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) [2021-03-26 13:39:08,215 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) [2021-03-26 13:39:08,215 INFO L185 Difference]: Start difference. First operand has 440 places, 446 transitions, 19047 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:08,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 453 transitions, 20159 flow [2021-03-26 13:39:08,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 453 transitions, 19621 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 13:39:08,933 INFO L241 Difference]: Finished difference. Result has 443 places, 446 transitions, 18882 flow [2021-03-26 13:39:08,934 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} [2021-03-26 13:39:08,934 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 405 predicate places. [2021-03-26 13:39:08,934 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:08,934 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 443 places, 446 transitions, 18882 flow [2021-03-26 13:39:08,934 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 443 places, 446 transitions, 18882 flow [2021-03-26 13:39:08,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 443 places, 446 transitions, 18882 flow [2021-03-26 13:39:09,358 INFO L129 PetriNetUnfolder]: 164/2553 cut-off events. [2021-03-26 13:39:09,358 INFO L130 PetriNetUnfolder]: For 121211/121377 co-relation queries the response was YES. [2021-03-26 13:39:09,384 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. [2021-03-26 13:39:09,411 INFO L142 LiptonReduction]: Number of co-enabled transitions 3048 [2021-03-26 13:39:09,442 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:09,443 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:09,443 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 509 [2021-03-26 13:39:09,443 INFO L480 AbstractCegarLoop]: Abstraction has has 443 places, 446 transitions, 18882 flow [2021-03-26 13:39:09,443 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) [2021-03-26 13:39:09,443 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:09,443 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:09,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-03-26 13:39:09,443 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]=== [2021-03-26 13:39:09,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:09,444 INFO L82 PathProgramCache]: Analyzing trace with hash 761602482, now seen corresponding path program 90 times [2021-03-26 13:39:09,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:09,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825345433] [2021-03-26 13:39:09,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:09,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:09,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:09,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:09,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:09,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:09,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:09,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:09,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:39:09,474 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:09,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:09,487 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:09,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:09,517 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:09,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:09,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825345433] [2021-03-26 13:39:09,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:09,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:09,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434830299] [2021-03-26 13:39:09,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:09,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:09,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:09,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:09,542 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:09,543 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) [2021-03-26 13:39:09,543 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:09,543 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:09,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:10,349 INFO L129 PetriNetUnfolder]: 217/2646 cut-off events. [2021-03-26 13:39:10,349 INFO L130 PetriNetUnfolder]: For 126688/127274 co-relation queries the response was YES. [2021-03-26 13:39:10,377 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. [2021-03-26 13:39:10,381 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 160 changer transitions 2/453 dead transitions. [2021-03-26 13:39:10,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 453 transitions, 20002 flow [2021-03-26 13:39:10,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:10,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:10,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:10,382 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:10,382 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:10,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:10,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:10,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:10,383 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) [2021-03-26 13:39:10,383 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) [2021-03-26 13:39:10,383 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) [2021-03-26 13:39:10,383 INFO L185 Difference]: Start difference. First operand has 443 places, 446 transitions, 18882 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:10,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 453 transitions, 20002 flow [2021-03-26 13:39:11,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 453 transitions, 19656 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 13:39:11,023 INFO L241 Difference]: Finished difference. Result has 448 places, 445 transitions, 18865 flow [2021-03-26 13:39:11,023 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} [2021-03-26 13:39:11,023 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 410 predicate places. [2021-03-26 13:39:11,023 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:11,023 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 445 transitions, 18865 flow [2021-03-26 13:39:11,024 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 445 transitions, 18865 flow [2021-03-26 13:39:11,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 447 places, 445 transitions, 18865 flow [2021-03-26 13:39:11,437 INFO L129 PetriNetUnfolder]: 163/2543 cut-off events. [2021-03-26 13:39:11,437 INFO L130 PetriNetUnfolder]: For 125717/125884 co-relation queries the response was YES. [2021-03-26 13:39:11,463 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. [2021-03-26 13:39:11,490 INFO L142 LiptonReduction]: Number of co-enabled transitions 3058 [2021-03-26 13:39:11,520 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:11,520 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:11,520 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 497 [2021-03-26 13:39:11,520 INFO L480 AbstractCegarLoop]: Abstraction has has 447 places, 445 transitions, 18865 flow [2021-03-26 13:39:11,520 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) [2021-03-26 13:39:11,520 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:11,520 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:11,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-03-26 13:39:11,521 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]=== [2021-03-26 13:39:11,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:11,521 INFO L82 PathProgramCache]: Analyzing trace with hash -2064237220, now seen corresponding path program 91 times [2021-03-26 13:39:11,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:11,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985056902] [2021-03-26 13:39:11,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:11,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:11,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:11,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:11,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:11,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:11,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:11,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:11,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:39:11,551 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:11,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:11,566 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:11,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:11,588 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:11,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:11,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985056902] [2021-03-26 13:39:11,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:11,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:11,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085073252] [2021-03-26 13:39:11,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:11,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:11,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:11,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:11,610 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:11,611 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) [2021-03-26 13:39:11,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:11,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:11,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:12,421 INFO L129 PetriNetUnfolder]: 216/2636 cut-off events. [2021-03-26 13:39:12,422 INFO L130 PetriNetUnfolder]: For 131168/131762 co-relation queries the response was YES. [2021-03-26 13:39:12,450 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. [2021-03-26 13:39:12,456 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 157 changer transitions 2/451 dead transitions. [2021-03-26 13:39:12,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 451 transitions, 19941 flow [2021-03-26 13:39:12,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:12,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:12,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:12,457 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:12,457 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:12,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:12,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:12,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:12,458 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) [2021-03-26 13:39:12,458 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) [2021-03-26 13:39:12,458 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) [2021-03-26 13:39:12,458 INFO L185 Difference]: Start difference. First operand has 447 places, 445 transitions, 18865 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:12,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 451 transitions, 19941 flow [2021-03-26 13:39:13,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 451 transitions, 19786 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-26 13:39:13,146 INFO L241 Difference]: Finished difference. Result has 452 places, 443 transitions, 18930 flow [2021-03-26 13:39:13,146 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} [2021-03-26 13:39:13,146 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 414 predicate places. [2021-03-26 13:39:13,146 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:13,146 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 452 places, 443 transitions, 18930 flow [2021-03-26 13:39:13,147 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 452 places, 443 transitions, 18930 flow [2021-03-26 13:39:13,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 451 places, 443 transitions, 18930 flow [2021-03-26 13:39:13,570 INFO L129 PetriNetUnfolder]: 162/2533 cut-off events. [2021-03-26 13:39:13,571 INFO L130 PetriNetUnfolder]: For 125642/125818 co-relation queries the response was YES. [2021-03-26 13:39:13,598 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. [2021-03-26 13:39:13,624 INFO L142 LiptonReduction]: Number of co-enabled transitions 3046 [2021-03-26 13:39:13,653 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:13,653 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:13,653 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 507 [2021-03-26 13:39:13,653 INFO L480 AbstractCegarLoop]: Abstraction has has 451 places, 443 transitions, 18930 flow [2021-03-26 13:39:13,653 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) [2021-03-26 13:39:13,654 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:13,654 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:13,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-26 13:39:13,654 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]=== [2021-03-26 13:39:13,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:13,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1829114546, now seen corresponding path program 92 times [2021-03-26 13:39:13,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:13,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139757289] [2021-03-26 13:39:13,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:13,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:13,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:13,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:13,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:13,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:13,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:13,677 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:13,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:13,689 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:13,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:13,705 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:13,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:13,726 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:13,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:13,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:13,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139757289] [2021-03-26 13:39:13,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:13,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:13,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492348507] [2021-03-26 13:39:13,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:13,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:13,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:13,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:13,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:13,747 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) [2021-03-26 13:39:13,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:13,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:13,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:14,524 INFO L129 PetriNetUnfolder]: 215/2626 cut-off events. [2021-03-26 13:39:14,524 INFO L130 PetriNetUnfolder]: For 131334/131918 co-relation queries the response was YES. [2021-03-26 13:39:14,555 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. [2021-03-26 13:39:14,561 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 254 selfloop transitions, 181 changer transitions 0/449 dead transitions. [2021-03-26 13:39:14,561 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 449 transitions, 20002 flow [2021-03-26 13:39:14,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:14,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:14,562 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:14,562 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:14,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:14,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:14,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:14,563 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) [2021-03-26 13:39:14,563 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) [2021-03-26 13:39:14,563 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) [2021-03-26 13:39:14,563 INFO L185 Difference]: Start difference. First operand has 451 places, 443 transitions, 18930 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:14,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 449 transitions, 20002 flow [2021-03-26 13:39:15,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 449 transitions, 19745 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 13:39:15,309 INFO L241 Difference]: Finished difference. Result has 455 places, 443 transitions, 19046 flow [2021-03-26 13:39:15,310 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} [2021-03-26 13:39:15,310 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 417 predicate places. [2021-03-26 13:39:15,310 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:15,310 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 455 places, 443 transitions, 19046 flow [2021-03-26 13:39:15,310 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 455 places, 443 transitions, 19046 flow [2021-03-26 13:39:15,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 455 places, 443 transitions, 19046 flow [2021-03-26 13:39:15,746 INFO L129 PetriNetUnfolder]: 162/2532 cut-off events. [2021-03-26 13:39:15,746 INFO L130 PetriNetUnfolder]: For 125615/125781 co-relation queries the response was YES. [2021-03-26 13:39:15,773 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. [2021-03-26 13:39:15,799 INFO L142 LiptonReduction]: Number of co-enabled transitions 3046 [2021-03-26 13:39:15,830 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:15,830 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:15,830 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 520 [2021-03-26 13:39:15,830 INFO L480 AbstractCegarLoop]: Abstraction has has 455 places, 443 transitions, 19046 flow [2021-03-26 13:39:15,830 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) [2021-03-26 13:39:15,830 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:15,830 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:15,830 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-26 13:39:15,830 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]=== [2021-03-26 13:39:15,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:15,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1559176176, now seen corresponding path program 93 times [2021-03-26 13:39:15,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:15,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82982101] [2021-03-26 13:39:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:15,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:15,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:15,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:15,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:15,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:15,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:15,858 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:15,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:15,870 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:15,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:15,887 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:39:15,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:39:15,910 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:15,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:15,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82982101] [2021-03-26 13:39:15,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:15,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:15,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646669588] [2021-03-26 13:39:15,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:15,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:15,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:15,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:15,932 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:15,933 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) [2021-03-26 13:39:15,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:15,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:15,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:16,813 INFO L129 PetriNetUnfolder]: 215/2625 cut-off events. [2021-03-26 13:39:16,813 INFO L130 PetriNetUnfolder]: For 131262/131850 co-relation queries the response was YES. [2021-03-26 13:39:16,841 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. [2021-03-26 13:39:16,846 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 244 selfloop transitions, 180 changer transitions 11/449 dead transitions. [2021-03-26 13:39:16,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 449 transitions, 20118 flow [2021-03-26 13:39:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:16,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:16,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:16,847 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:16,848 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:16,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:16,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:16,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:16,848 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) [2021-03-26 13:39:16,848 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) [2021-03-26 13:39:16,849 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) [2021-03-26 13:39:16,849 INFO L185 Difference]: Start difference. First operand has 455 places, 443 transitions, 19046 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:16,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 449 transitions, 20118 flow [2021-03-26 13:39:17,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 449 transitions, 19853 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 13:39:17,654 INFO L241 Difference]: Finished difference. Result has 460 places, 432 transitions, 18455 flow [2021-03-26 13:39:17,655 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} [2021-03-26 13:39:17,655 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 422 predicate places. [2021-03-26 13:39:17,655 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:17,655 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 432 transitions, 18455 flow [2021-03-26 13:39:17,655 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 432 transitions, 18455 flow [2021-03-26 13:39:17,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 432 transitions, 18455 flow [2021-03-26 13:39:18,066 INFO L129 PetriNetUnfolder]: 161/2489 cut-off events. [2021-03-26 13:39:18,066 INFO L130 PetriNetUnfolder]: For 125755/125922 co-relation queries the response was YES. [2021-03-26 13:39:18,093 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. [2021-03-26 13:39:18,119 INFO L142 LiptonReduction]: Number of co-enabled transitions 2938 [2021-03-26 13:39:18,149 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:18,149 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:18,149 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 494 [2021-03-26 13:39:18,149 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 432 transitions, 18455 flow [2021-03-26 13:39:18,150 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) [2021-03-26 13:39:18,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:18,150 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:18,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-03-26 13:39:18,150 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]=== [2021-03-26 13:39:18,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:18,150 INFO L82 PathProgramCache]: Analyzing trace with hash 725537740, now seen corresponding path program 94 times [2021-03-26 13:39:18,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:18,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346617606] [2021-03-26 13:39:18,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:18,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:18,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:18,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:18,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:18,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:18,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:18,172 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:18,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:18,191 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:39:18,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:39:18,216 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:39:18,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:39:18,237 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:18,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:18,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:18,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346617606] [2021-03-26 13:39:18,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:18,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:18,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837311591] [2021-03-26 13:39:18,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:18,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:18,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:18,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:18,256 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:18,256 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) [2021-03-26 13:39:18,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:18,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:18,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:19,036 INFO L129 PetriNetUnfolder]: 214/2582 cut-off events. [2021-03-26 13:39:19,036 INFO L130 PetriNetUnfolder]: For 131332/131928 co-relation queries the response was YES. [2021-03-26 13:39:19,069 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. [2021-03-26 13:39:19,075 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 269 selfloop transitions, 153 changer transitions 2/438 dead transitions. [2021-03-26 13:39:19,075 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 438 transitions, 19513 flow [2021-03-26 13:39:19,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:19,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:19,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:19,076 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:19,076 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:19,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:19,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:19,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:19,076 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) [2021-03-26 13:39:19,077 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) [2021-03-26 13:39:19,077 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) [2021-03-26 13:39:19,077 INFO L185 Difference]: Start difference. First operand has 454 places, 432 transitions, 18455 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:19,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 438 transitions, 19513 flow [2021-03-26 13:39:19,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 438 transitions, 19021 flow, removed 33 selfloop flow, removed 13 redundant places. [2021-03-26 13:39:19,779 INFO L241 Difference]: Finished difference. Result has 449 places, 430 transitions, 18203 flow [2021-03-26 13:39:19,779 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} [2021-03-26 13:39:19,779 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 411 predicate places. [2021-03-26 13:39:19,779 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:19,780 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 449 places, 430 transitions, 18203 flow [2021-03-26 13:39:19,780 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 449 places, 430 transitions, 18203 flow [2021-03-26 13:39:19,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 448 places, 430 transitions, 18203 flow [2021-03-26 13:39:20,190 INFO L129 PetriNetUnfolder]: 160/2479 cut-off events. [2021-03-26 13:39:20,190 INFO L130 PetriNetUnfolder]: For 110760/110926 co-relation queries the response was YES. [2021-03-26 13:39:20,216 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. [2021-03-26 13:39:20,241 INFO L142 LiptonReduction]: Number of co-enabled transitions 2920 [2021-03-26 13:39:20,269 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:20,269 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:20,269 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 490 [2021-03-26 13:39:20,269 INFO L480 AbstractCegarLoop]: Abstraction has has 448 places, 430 transitions, 18203 flow [2021-03-26 13:39:20,269 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) [2021-03-26 13:39:20,269 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:20,269 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:20,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-03-26 13:39:20,269 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]=== [2021-03-26 13:39:20,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:20,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1316103308, now seen corresponding path program 95 times [2021-03-26 13:39:20,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:20,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127783501] [2021-03-26 13:39:20,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:20,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:20,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:20,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:20,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:20,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:20,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:20,290 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:20,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:20,308 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:39:20,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:39:20,340 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:39:20,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:39:20,368 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:20,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:20,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127783501] [2021-03-26 13:39:20,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:20,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:20,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790420277] [2021-03-26 13:39:20,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:20,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:20,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:20,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:20,387 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:20,387 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) [2021-03-26 13:39:20,387 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:20,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:20,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:21,126 INFO L129 PetriNetUnfolder]: 213/2572 cut-off events. [2021-03-26 13:39:21,126 INFO L130 PetriNetUnfolder]: For 115421/116007 co-relation queries the response was YES. [2021-03-26 13:39:21,153 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. [2021-03-26 13:39:21,158 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 261 selfloop transitions, 161 changer transitions 0/436 dead transitions. [2021-03-26 13:39:21,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 436 transitions, 19217 flow [2021-03-26 13:39:21,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:21,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:21,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:21,159 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:21,160 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:21,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:21,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:21,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:21,160 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) [2021-03-26 13:39:21,160 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) [2021-03-26 13:39:21,161 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) [2021-03-26 13:39:21,161 INFO L185 Difference]: Start difference. First operand has 448 places, 430 transitions, 18203 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:21,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 436 transitions, 19217 flow [2021-03-26 13:39:21,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 436 transitions, 19062 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-26 13:39:21,835 INFO L241 Difference]: Finished difference. Result has 453 places, 430 transitions, 18381 flow [2021-03-26 13:39:21,836 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} [2021-03-26 13:39:21,836 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 415 predicate places. [2021-03-26 13:39:21,836 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:21,836 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 453 places, 430 transitions, 18381 flow [2021-03-26 13:39:21,836 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 453 places, 430 transitions, 18381 flow [2021-03-26 13:39:21,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 453 places, 430 transitions, 18381 flow [2021-03-26 13:39:22,245 INFO L129 PetriNetUnfolder]: 160/2478 cut-off events. [2021-03-26 13:39:22,245 INFO L130 PetriNetUnfolder]: For 111721/111888 co-relation queries the response was YES. [2021-03-26 13:39:22,273 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. [2021-03-26 13:39:22,301 INFO L142 LiptonReduction]: Number of co-enabled transitions 2920 [2021-03-26 13:39:22,330 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:22,331 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:22,331 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 495 [2021-03-26 13:39:22,331 INFO L480 AbstractCegarLoop]: Abstraction has has 453 places, 430 transitions, 18381 flow [2021-03-26 13:39:22,331 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) [2021-03-26 13:39:22,331 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:22,331 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:22,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-03-26 13:39:22,331 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]=== [2021-03-26 13:39:22,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:22,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1402081080, now seen corresponding path program 96 times [2021-03-26 13:39:22,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:22,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771329102] [2021-03-26 13:39:22,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:22,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:22,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:22,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:22,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:22,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:22,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:22,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:22,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:39:22,366 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:22,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:22,387 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:39:22,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:39:22,407 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:22,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:22,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771329102] [2021-03-26 13:39:22,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:22,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:22,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091902123] [2021-03-26 13:39:22,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:22,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:22,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:22,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:22,427 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:22,428 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) [2021-03-26 13:39:22,428 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:22,428 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:22,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:23,187 INFO L129 PetriNetUnfolder]: 213/2571 cut-off events. [2021-03-26 13:39:23,187 INFO L130 PetriNetUnfolder]: For 116099/116693 co-relation queries the response was YES. [2021-03-26 13:39:23,213 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. [2021-03-26 13:39:23,218 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 261 selfloop transitions, 158 changer transitions 3/436 dead transitions. [2021-03-26 13:39:23,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 436 transitions, 19395 flow [2021-03-26 13:39:23,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:23,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:23,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:23,220 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:23,221 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:23,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:23,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:23,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:23,221 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) [2021-03-26 13:39:23,222 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) [2021-03-26 13:39:23,222 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) [2021-03-26 13:39:23,222 INFO L185 Difference]: Start difference. First operand has 453 places, 430 transitions, 18381 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:23,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 436 transitions, 19395 flow [2021-03-26 13:39:23,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 436 transitions, 19079 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 13:39:23,863 INFO L241 Difference]: Finished difference. Result has 456 places, 427 transitions, 18198 flow [2021-03-26 13:39:23,863 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} [2021-03-26 13:39:23,863 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 418 predicate places. [2021-03-26 13:39:23,863 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:23,864 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 456 places, 427 transitions, 18198 flow [2021-03-26 13:39:23,864 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 456 places, 427 transitions, 18198 flow [2021-03-26 13:39:23,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 427 transitions, 18198 flow [2021-03-26 13:39:24,281 INFO L129 PetriNetUnfolder]: 159/2462 cut-off events. [2021-03-26 13:39:24,281 INFO L130 PetriNetUnfolder]: For 111812/111991 co-relation queries the response was YES. [2021-03-26 13:39:24,307 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. [2021-03-26 13:39:24,332 INFO L142 LiptonReduction]: Number of co-enabled transitions 2890 [2021-03-26 13:39:24,360 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:24,360 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:24,360 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 497 [2021-03-26 13:39:24,360 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 427 transitions, 18198 flow [2021-03-26 13:39:24,361 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) [2021-03-26 13:39:24,361 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:24,361 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:24,361 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-03-26 13:39:24,361 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]=== [2021-03-26 13:39:24,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:24,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1800513136, now seen corresponding path program 97 times [2021-03-26 13:39:24,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:24,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776050764] [2021-03-26 13:39:24,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:24,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:24,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:24,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:24,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:24,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:24,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:24,379 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:24,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:24,397 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:24,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:24,414 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:24,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:24,435 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:24,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:24,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:24,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776050764] [2021-03-26 13:39:24,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:24,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:24,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14487247] [2021-03-26 13:39:24,453 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:24,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:24,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:24,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:24,453 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:24,454 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) [2021-03-26 13:39:24,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:24,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:24,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:25,199 INFO L129 PetriNetUnfolder]: 212/2555 cut-off events. [2021-03-26 13:39:25,200 INFO L130 PetriNetUnfolder]: For 116404/117002 co-relation queries the response was YES. [2021-03-26 13:39:25,229 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. [2021-03-26 13:39:25,236 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 270 selfloop transitions, 147 changer transitions 2/433 dead transitions. [2021-03-26 13:39:25,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 433 transitions, 19214 flow [2021-03-26 13:39:25,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:25,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:25,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:25,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:25,237 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:25,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:25,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:25,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:25,238 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) [2021-03-26 13:39:25,238 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) [2021-03-26 13:39:25,238 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) [2021-03-26 13:39:25,238 INFO L185 Difference]: Start difference. First operand has 454 places, 427 transitions, 18198 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:25,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 433 transitions, 19214 flow [2021-03-26 13:39:25,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 433 transitions, 18899 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 13:39:25,916 INFO L241 Difference]: Finished difference. Result has 457 places, 426 transitions, 18173 flow [2021-03-26 13:39:25,917 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} [2021-03-26 13:39:25,917 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 419 predicate places. [2021-03-26 13:39:25,917 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:25,917 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 457 places, 426 transitions, 18173 flow [2021-03-26 13:39:25,917 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 457 places, 426 transitions, 18173 flow [2021-03-26 13:39:25,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 456 places, 426 transitions, 18173 flow [2021-03-26 13:39:26,359 INFO L129 PetriNetUnfolder]: 158/2452 cut-off events. [2021-03-26 13:39:26,359 INFO L130 PetriNetUnfolder]: For 109799/109965 co-relation queries the response was YES. [2021-03-26 13:39:26,384 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. [2021-03-26 13:39:26,409 INFO L142 LiptonReduction]: Number of co-enabled transitions 2888 [2021-03-26 13:39:26,436 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:26,436 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:26,436 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 519 [2021-03-26 13:39:26,437 INFO L480 AbstractCegarLoop]: Abstraction has has 456 places, 426 transitions, 18173 flow [2021-03-26 13:39:26,437 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) [2021-03-26 13:39:26,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:26,437 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:26,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-03-26 13:39:26,437 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]=== [2021-03-26 13:39:26,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:26,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1520729992, now seen corresponding path program 98 times [2021-03-26 13:39:26,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:26,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104551394] [2021-03-26 13:39:26,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:26,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:26,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:26,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:26,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:26,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:26,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:26,458 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:26,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:26,477 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:26,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:26,491 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:26,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:26,510 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:26,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:26,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104551394] [2021-03-26 13:39:26,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:26,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:26,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699321755] [2021-03-26 13:39:26,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:26,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:26,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:26,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:26,530 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:26,530 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) [2021-03-26 13:39:26,530 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:26,530 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:26,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:27,270 INFO L129 PetriNetUnfolder]: 211/2545 cut-off events. [2021-03-26 13:39:27,270 INFO L130 PetriNetUnfolder]: For 114436/115022 co-relation queries the response was YES. [2021-03-26 13:39:27,299 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. [2021-03-26 13:39:27,305 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 270 selfloop transitions, 145 changer transitions 2/431 dead transitions. [2021-03-26 13:39:27,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 431 transitions, 19129 flow [2021-03-26 13:39:27,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:27,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:27,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:27,306 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:27,306 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:27,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:27,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:27,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:27,307 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) [2021-03-26 13:39:27,307 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) [2021-03-26 13:39:27,307 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) [2021-03-26 13:39:27,307 INFO L185 Difference]: Start difference. First operand has 456 places, 426 transitions, 18173 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:27,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 431 transitions, 19129 flow [2021-03-26 13:39:27,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 431 transitions, 18879 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-26 13:39:27,964 INFO L241 Difference]: Finished difference. Result has 460 places, 424 transitions, 18105 flow [2021-03-26 13:39:27,965 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} [2021-03-26 13:39:27,965 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 422 predicate places. [2021-03-26 13:39:27,965 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:27,965 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 424 transitions, 18105 flow [2021-03-26 13:39:27,965 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 424 transitions, 18105 flow [2021-03-26 13:39:27,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 424 transitions, 18105 flow [2021-03-26 13:39:28,355 INFO L129 PetriNetUnfolder]: 157/2442 cut-off events. [2021-03-26 13:39:28,355 INFO L130 PetriNetUnfolder]: For 109714/109928 co-relation queries the response was YES. [2021-03-26 13:39:28,382 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. [2021-03-26 13:39:28,410 INFO L142 LiptonReduction]: Number of co-enabled transitions 2878 [2021-03-26 13:39:28,439 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:28,439 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:28,439 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 474 [2021-03-26 13:39:28,440 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 424 transitions, 18105 flow [2021-03-26 13:39:28,440 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) [2021-03-26 13:39:28,440 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:28,440 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:28,440 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-03-26 13:39:28,440 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]=== [2021-03-26 13:39:28,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:28,440 INFO L82 PathProgramCache]: Analyzing trace with hash 844136788, now seen corresponding path program 99 times [2021-03-26 13:39:28,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:28,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455171061] [2021-03-26 13:39:28,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:28,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:28,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:28,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:28,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:28,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:28,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:28,467 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:28,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:28,489 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:39:28,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:39:28,520 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:28,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:28,542 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:28,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:28,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:28,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455171061] [2021-03-26 13:39:28,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:28,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:28,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899180915] [2021-03-26 13:39:28,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:28,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:28,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:28,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:28,566 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:28,566 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) [2021-03-26 13:39:28,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:28,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:28,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:29,358 INFO L129 PetriNetUnfolder]: 210/2535 cut-off events. [2021-03-26 13:39:29,359 INFO L130 PetriNetUnfolder]: For 113902/114498 co-relation queries the response was YES. [2021-03-26 13:39:29,382 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. [2021-03-26 13:39:29,387 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 259 selfloop transitions, 152 changer transitions 4/429 dead transitions. [2021-03-26 13:39:29,388 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 429 transitions, 19057 flow [2021-03-26 13:39:29,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:29,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:29,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:29,389 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:29,389 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:29,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:29,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:29,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:29,389 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) [2021-03-26 13:39:29,389 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) [2021-03-26 13:39:29,389 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) [2021-03-26 13:39:29,389 INFO L185 Difference]: Start difference. First operand has 459 places, 424 transitions, 18105 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:29,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 429 transitions, 19057 flow [2021-03-26 13:39:29,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 429 transitions, 18667 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 13:39:29,983 INFO L241 Difference]: Finished difference. Result has 461 places, 420 transitions, 17776 flow [2021-03-26 13:39:29,984 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} [2021-03-26 13:39:29,984 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 423 predicate places. [2021-03-26 13:39:29,984 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:29,984 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 461 places, 420 transitions, 17776 flow [2021-03-26 13:39:29,984 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 461 places, 420 transitions, 17776 flow [2021-03-26 13:39:29,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 420 transitions, 17776 flow [2021-03-26 13:39:30,356 INFO L129 PetriNetUnfolder]: 156/2425 cut-off events. [2021-03-26 13:39:30,356 INFO L130 PetriNetUnfolder]: For 107394/107560 co-relation queries the response was YES. [2021-03-26 13:39:30,379 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. [2021-03-26 13:39:30,403 INFO L142 LiptonReduction]: Number of co-enabled transitions 2842 [2021-03-26 13:39:30,431 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:30,431 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:30,431 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 447 [2021-03-26 13:39:30,431 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 420 transitions, 17776 flow [2021-03-26 13:39:30,431 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) [2021-03-26 13:39:30,431 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:30,431 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:30,432 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-03-26 13:39:30,432 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]=== [2021-03-26 13:39:30,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:30,432 INFO L82 PathProgramCache]: Analyzing trace with hash 694686612, now seen corresponding path program 100 times [2021-03-26 13:39:30,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:30,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838541587] [2021-03-26 13:39:30,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:30,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:30,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:30,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:30,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:30,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:30,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:30,458 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:30,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:30,472 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:30,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:30,490 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:30,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:30,514 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:30,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:30,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:30,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838541587] [2021-03-26 13:39:30,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:30,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:30,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217551825] [2021-03-26 13:39:30,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:30,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:30,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:30,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:30,539 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:30,539 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) [2021-03-26 13:39:30,539 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:30,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:30,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:31,264 INFO L129 PetriNetUnfolder]: 209/2518 cut-off events. [2021-03-26 13:39:31,264 INFO L130 PetriNetUnfolder]: For 112012/112596 co-relation queries the response was YES. [2021-03-26 13:39:31,291 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. [2021-03-26 13:39:31,296 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 142 changer transitions 2/438 dead transitions. [2021-03-26 13:39:31,296 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 438 transitions, 19415 flow [2021-03-26 13:39:31,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:31,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:31,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:31,297 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:31,297 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:31,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:31,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:31,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:31,298 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) [2021-03-26 13:39:31,298 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) [2021-03-26 13:39:31,298 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) [2021-03-26 13:39:31,298 INFO L185 Difference]: Start difference. First operand has 459 places, 420 transitions, 17776 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:31,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 438 transitions, 19415 flow [2021-03-26 13:39:31,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 438 transitions, 19086 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-03-26 13:39:31,919 INFO L241 Difference]: Finished difference. Result has 463 places, 427 transitions, 18253 flow [2021-03-26 13:39:31,920 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} [2021-03-26 13:39:31,920 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 425 predicate places. [2021-03-26 13:39:31,920 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:31,920 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 463 places, 427 transitions, 18253 flow [2021-03-26 13:39:31,920 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 463 places, 427 transitions, 18253 flow [2021-03-26 13:39:31,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 462 places, 427 transitions, 18253 flow [2021-03-26 13:39:32,387 INFO L129 PetriNetUnfolder]: 155/2415 cut-off events. [2021-03-26 13:39:32,387 INFO L130 PetriNetUnfolder]: For 108562/108752 co-relation queries the response was YES. [2021-03-26 13:39:32,409 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. [2021-03-26 13:39:32,432 INFO L142 LiptonReduction]: Number of co-enabled transitions 2908 [2021-03-26 13:39:32,460 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:32,460 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:32,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 540 [2021-03-26 13:39:32,460 INFO L480 AbstractCegarLoop]: Abstraction has has 462 places, 427 transitions, 18253 flow [2021-03-26 13:39:32,460 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) [2021-03-26 13:39:32,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:32,461 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:32,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-03-26 13:39:32,461 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]=== [2021-03-26 13:39:32,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:32,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1657388968, now seen corresponding path program 101 times [2021-03-26 13:39:32,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:32,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092144098] [2021-03-26 13:39:32,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:32,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:32,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:32,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:32,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:32,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:32,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:32,482 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:32,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:32,494 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:32,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:32,511 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:32,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:32,532 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:32,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:32,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092144098] [2021-03-26 13:39:32,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:32,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:32,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169420552] [2021-03-26 13:39:32,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:32,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:32,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:32,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:32,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:32,554 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) [2021-03-26 13:39:32,554 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:32,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:32,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:33,277 INFO L129 PetriNetUnfolder]: 208/2508 cut-off events. [2021-03-26 13:39:33,277 INFO L130 PetriNetUnfolder]: For 112698/113284 co-relation queries the response was YES. [2021-03-26 13:39:33,307 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. [2021-03-26 13:39:33,312 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 145 changer transitions 0/436 dead transitions. [2021-03-26 13:39:33,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 436 transitions, 19417 flow [2021-03-26 13:39:33,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:33,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:33,313 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:33,314 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:33,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:33,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:33,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:33,314 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) [2021-03-26 13:39:33,314 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) [2021-03-26 13:39:33,314 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) [2021-03-26 13:39:33,314 INFO L185 Difference]: Start difference. First operand has 462 places, 427 transitions, 18253 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:33,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 436 transitions, 19417 flow [2021-03-26 13:39:33,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 436 transitions, 19255 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-03-26 13:39:33,974 INFO L241 Difference]: Finished difference. Result has 467 places, 428 transitions, 18463 flow [2021-03-26 13:39:33,975 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} [2021-03-26 13:39:33,975 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 429 predicate places. [2021-03-26 13:39:33,975 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:33,975 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 467 places, 428 transitions, 18463 flow [2021-03-26 13:39:33,975 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 467 places, 428 transitions, 18463 flow [2021-03-26 13:39:33,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 428 transitions, 18463 flow [2021-03-26 13:39:34,374 INFO L129 PetriNetUnfolder]: 155/2414 cut-off events. [2021-03-26 13:39:34,375 INFO L130 PetriNetUnfolder]: For 109045/109213 co-relation queries the response was YES. [2021-03-26 13:39:34,403 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. [2021-03-26 13:39:34,427 INFO L142 LiptonReduction]: Number of co-enabled transitions 2916 [2021-03-26 13:39:34,456 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:34,456 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:34,456 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 481 [2021-03-26 13:39:34,457 INFO L480 AbstractCegarLoop]: Abstraction has has 467 places, 428 transitions, 18463 flow [2021-03-26 13:39:34,457 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) [2021-03-26 13:39:34,457 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:34,457 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:34,457 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-03-26 13:39:34,457 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]=== [2021-03-26 13:39:34,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:34,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1912850298, now seen corresponding path program 102 times [2021-03-26 13:39:34,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:34,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938259582] [2021-03-26 13:39:34,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:34,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:34,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:34,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:34,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:34,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:34,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:34,480 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:34,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:34,489 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:34,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:34,503 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:34,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:34,523 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:34,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:34,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:34,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938259582] [2021-03-26 13:39:34,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:34,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:34,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146943518] [2021-03-26 13:39:34,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:34,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:34,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:34,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:34,541 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:34,541 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) [2021-03-26 13:39:34,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:34,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:34,542 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:35,386 INFO L129 PetriNetUnfolder]: 208/2507 cut-off events. [2021-03-26 13:39:35,386 INFO L130 PetriNetUnfolder]: For 113224/113822 co-relation queries the response was YES. [2021-03-26 13:39:35,413 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. [2021-03-26 13:39:35,418 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 141 changer transitions 1/436 dead transitions. [2021-03-26 13:39:35,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 436 transitions, 19562 flow [2021-03-26 13:39:35,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:35,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:35,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:35,419 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:35,419 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:35,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:35,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:35,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:35,419 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) [2021-03-26 13:39:35,419 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) [2021-03-26 13:39:35,420 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) [2021-03-26 13:39:35,420 INFO L185 Difference]: Start difference. First operand has 467 places, 428 transitions, 18463 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:35,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 436 transitions, 19562 flow [2021-03-26 13:39:36,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 436 transitions, 19184 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 13:39:36,111 INFO L241 Difference]: Finished difference. Result has 471 places, 428 transitions, 18381 flow [2021-03-26 13:39:36,111 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} [2021-03-26 13:39:36,111 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 433 predicate places. [2021-03-26 13:39:36,111 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:36,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 471 places, 428 transitions, 18381 flow [2021-03-26 13:39:36,112 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 471 places, 428 transitions, 18381 flow [2021-03-26 13:39:36,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 470 places, 428 transitions, 18381 flow [2021-03-26 13:39:36,505 INFO L129 PetriNetUnfolder]: 154/2405 cut-off events. [2021-03-26 13:39:36,505 INFO L130 PetriNetUnfolder]: For 110288/110485 co-relation queries the response was YES. [2021-03-26 13:39:36,531 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. [2021-03-26 13:39:36,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 2922 [2021-03-26 13:39:36,585 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:36,585 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:36,585 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 474 [2021-03-26 13:39:36,586 INFO L480 AbstractCegarLoop]: Abstraction has has 470 places, 428 transitions, 18381 flow [2021-03-26 13:39:36,586 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) [2021-03-26 13:39:36,586 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:36,586 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:36,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-03-26 13:39:36,586 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]=== [2021-03-26 13:39:36,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:36,586 INFO L82 PathProgramCache]: Analyzing trace with hash -905440104, now seen corresponding path program 103 times [2021-03-26 13:39:36,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:36,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719588401] [2021-03-26 13:39:36,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:36,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:36,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:36,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:36,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:36,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:36,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:36,606 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:36,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:36,618 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:36,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:36,633 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:36,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:36,651 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:36,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:36,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719588401] [2021-03-26 13:39:36,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:36,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:36,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356374466] [2021-03-26 13:39:36,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:36,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:36,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:36,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:36,671 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:36,671 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) [2021-03-26 13:39:36,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:36,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:36,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:37,459 INFO L129 PetriNetUnfolder]: 207/2498 cut-off events. [2021-03-26 13:39:37,460 INFO L130 PetriNetUnfolder]: For 115098/115691 co-relation queries the response was YES. [2021-03-26 13:39:37,503 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. [2021-03-26 13:39:37,511 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 140 changer transitions 4/435 dead transitions. [2021-03-26 13:39:37,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 435 transitions, 19432 flow [2021-03-26 13:39:37,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:37,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:37,512 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:37,512 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:37,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:37,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:37,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:37,513 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) [2021-03-26 13:39:37,513 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) [2021-03-26 13:39:37,513 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) [2021-03-26 13:39:37,513 INFO L185 Difference]: Start difference. First operand has 470 places, 428 transitions, 18381 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:37,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 435 transitions, 19432 flow [2021-03-26 13:39:38,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 435 transitions, 19285 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-26 13:39:38,283 INFO L241 Difference]: Finished difference. Result has 476 places, 426 transitions, 18405 flow [2021-03-26 13:39:38,283 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} [2021-03-26 13:39:38,283 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 438 predicate places. [2021-03-26 13:39:38,283 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:38,283 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 476 places, 426 transitions, 18405 flow [2021-03-26 13:39:38,283 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 476 places, 426 transitions, 18405 flow [2021-03-26 13:39:38,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 474 places, 426 transitions, 18405 flow [2021-03-26 13:39:38,696 INFO L129 PetriNetUnfolder]: 153/2388 cut-off events. [2021-03-26 13:39:38,696 INFO L130 PetriNetUnfolder]: For 110236/110403 co-relation queries the response was YES. [2021-03-26 13:39:38,727 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. [2021-03-26 13:39:38,753 INFO L142 LiptonReduction]: Number of co-enabled transitions 2910 [2021-03-26 13:39:38,783 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:38,783 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:38,783 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 500 [2021-03-26 13:39:38,783 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 426 transitions, 18405 flow [2021-03-26 13:39:38,783 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) [2021-03-26 13:39:38,783 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:38,783 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:38,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-03-26 13:39:38,784 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]=== [2021-03-26 13:39:38,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:38,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1374994720, now seen corresponding path program 104 times [2021-03-26 13:39:38,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:38,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403440014] [2021-03-26 13:39:38,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:38,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:38,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:38,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:38,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:38,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:38,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:38,806 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:38,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:38,816 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:38,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:38,829 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:38,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:38,848 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:38,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:38,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403440014] [2021-03-26 13:39:38,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:38,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:38,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001525866] [2021-03-26 13:39:38,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:38,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:38,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:38,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:38,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:38,881 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) [2021-03-26 13:39:38,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:38,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:38,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:39,579 INFO L129 PetriNetUnfolder]: 206/2481 cut-off events. [2021-03-26 13:39:39,579 INFO L130 PetriNetUnfolder]: For 114866/115469 co-relation queries the response was YES. [2021-03-26 13:39:39,606 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. [2021-03-26 13:39:39,611 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 137 changer transitions 2/431 dead transitions. [2021-03-26 13:39:39,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 431 transitions, 19358 flow [2021-03-26 13:39:39,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:39,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:39,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:39,612 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:39,612 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:39,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:39,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:39,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:39,612 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) [2021-03-26 13:39:39,612 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) [2021-03-26 13:39:39,612 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) [2021-03-26 13:39:39,612 INFO L185 Difference]: Start difference. First operand has 474 places, 426 transitions, 18405 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:39,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 431 transitions, 19358 flow [2021-03-26 13:39:40,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 431 transitions, 19006 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-26 13:39:40,297 INFO L241 Difference]: Finished difference. Result has 475 places, 425 transitions, 18311 flow [2021-03-26 13:39:40,297 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} [2021-03-26 13:39:40,297 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 437 predicate places. [2021-03-26 13:39:40,297 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:40,297 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 475 places, 425 transitions, 18311 flow [2021-03-26 13:39:40,297 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 475 places, 425 transitions, 18311 flow [2021-03-26 13:39:40,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 474 places, 425 transitions, 18311 flow [2021-03-26 13:39:40,672 INFO L129 PetriNetUnfolder]: 152/2378 cut-off events. [2021-03-26 13:39:40,672 INFO L130 PetriNetUnfolder]: For 108600/108777 co-relation queries the response was YES. [2021-03-26 13:39:40,696 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. [2021-03-26 13:39:40,719 INFO L142 LiptonReduction]: Number of co-enabled transitions 2914 [2021-03-26 13:39:40,747 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:40,747 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:40,747 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 450 [2021-03-26 13:39:40,747 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 425 transitions, 18311 flow [2021-03-26 13:39:40,747 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) [2021-03-26 13:39:40,747 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:40,748 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:40,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-03-26 13:39:40,748 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]=== [2021-03-26 13:39:40,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:40,748 INFO L82 PathProgramCache]: Analyzing trace with hash 167645276, now seen corresponding path program 105 times [2021-03-26 13:39:40,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:40,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830542436] [2021-03-26 13:39:40,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:40,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:40,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:40,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:40,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:40,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:40,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:40,764 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:40,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:40,774 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:40,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:40,788 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:40,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:40,806 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:40,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:40,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830542436] [2021-03-26 13:39:40,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:40,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:40,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409438593] [2021-03-26 13:39:40,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:40,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:40,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:40,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:40,825 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:40,826 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) [2021-03-26 13:39:40,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:40,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:40,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:41,575 INFO L129 PetriNetUnfolder]: 205/2471 cut-off events. [2021-03-26 13:39:41,576 INFO L130 PetriNetUnfolder]: For 113225/113816 co-relation queries the response was YES. [2021-03-26 13:39:41,602 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. [2021-03-26 13:39:41,607 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 136 changer transitions 2/429 dead transitions. [2021-03-26 13:39:41,607 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 429 transitions, 19213 flow [2021-03-26 13:39:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:41,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:41,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:41,608 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:41,608 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:41,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:41,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:41,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:41,609 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) [2021-03-26 13:39:41,609 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) [2021-03-26 13:39:41,609 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) [2021-03-26 13:39:41,609 INFO L185 Difference]: Start difference. First operand has 474 places, 425 transitions, 18311 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:41,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 429 transitions, 19213 flow [2021-03-26 13:39:42,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 429 transitions, 18974 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 13:39:42,286 INFO L241 Difference]: Finished difference. Result has 478 places, 423 transitions, 18240 flow [2021-03-26 13:39:42,287 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} [2021-03-26 13:39:42,287 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 440 predicate places. [2021-03-26 13:39:42,287 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:42,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 478 places, 423 transitions, 18240 flow [2021-03-26 13:39:42,287 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 478 places, 423 transitions, 18240 flow [2021-03-26 13:39:42,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 477 places, 423 transitions, 18240 flow [2021-03-26 13:39:42,671 INFO L129 PetriNetUnfolder]: 151/2368 cut-off events. [2021-03-26 13:39:42,671 INFO L130 PetriNetUnfolder]: For 108462/108629 co-relation queries the response was YES. [2021-03-26 13:39:42,696 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. [2021-03-26 13:39:42,722 INFO L142 LiptonReduction]: Number of co-enabled transitions 2902 [2021-03-26 13:39:42,750 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:42,751 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:42,751 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 464 [2021-03-26 13:39:42,751 INFO L480 AbstractCegarLoop]: Abstraction has has 477 places, 423 transitions, 18240 flow [2021-03-26 13:39:42,751 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) [2021-03-26 13:39:42,751 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:42,751 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:42,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-03-26 13:39:42,751 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]=== [2021-03-26 13:39:42,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:42,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1101702052, now seen corresponding path program 106 times [2021-03-26 13:39:42,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:42,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961287386] [2021-03-26 13:39:42,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:42,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:42,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:42,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:42,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:42,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:42,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:42,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:42,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:39:42,795 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:39:42,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:39:42,823 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:42,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:42,846 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:42,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:42,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961287386] [2021-03-26 13:39:42,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:42,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:42,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916845529] [2021-03-26 13:39:42,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:42,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:42,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:42,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:42,870 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:42,871 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) [2021-03-26 13:39:42,871 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:42,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:42,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:43,619 INFO L129 PetriNetUnfolder]: 204/2461 cut-off events. [2021-03-26 13:39:43,619 INFO L130 PetriNetUnfolder]: For 112831/113432 co-relation queries the response was YES. [2021-03-26 13:39:43,645 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. [2021-03-26 13:39:43,650 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 288 selfloop transitions, 138 changer transitions 2/442 dead transitions. [2021-03-26 13:39:43,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 442 transitions, 19838 flow [2021-03-26 13:39:43,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:43,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:43,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:43,651 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:43,651 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:43,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:43,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:43,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:43,651 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) [2021-03-26 13:39:43,651 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) [2021-03-26 13:39:43,651 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) [2021-03-26 13:39:43,651 INFO L185 Difference]: Start difference. First operand has 477 places, 423 transitions, 18240 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:43,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 484 places, 442 transitions, 19838 flow [2021-03-26 13:39:44,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 442 transitions, 19498 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 13:39:44,323 INFO L241 Difference]: Finished difference. Result has 479 places, 421 transitions, 18109 flow [2021-03-26 13:39:44,323 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} [2021-03-26 13:39:44,323 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 441 predicate places. [2021-03-26 13:39:44,323 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:44,323 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 479 places, 421 transitions, 18109 flow [2021-03-26 13:39:44,323 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 479 places, 421 transitions, 18109 flow [2021-03-26 13:39:44,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 478 places, 421 transitions, 18109 flow [2021-03-26 13:39:44,725 INFO L129 PetriNetUnfolder]: 150/2358 cut-off events. [2021-03-26 13:39:44,725 INFO L130 PetriNetUnfolder]: For 108756/108957 co-relation queries the response was YES. [2021-03-26 13:39:44,749 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. [2021-03-26 13:39:44,772 INFO L142 LiptonReduction]: Number of co-enabled transitions 2888 [2021-03-26 13:39:44,799 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:44,800 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:44,800 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 477 [2021-03-26 13:39:44,800 INFO L480 AbstractCegarLoop]: Abstraction has has 478 places, 421 transitions, 18109 flow [2021-03-26 13:39:44,800 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) [2021-03-26 13:39:44,800 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:44,800 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:44,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-03-26 13:39:44,800 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]=== [2021-03-26 13:39:44,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:44,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1253941404, now seen corresponding path program 107 times [2021-03-26 13:39:44,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:44,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549509511] [2021-03-26 13:39:44,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:44,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:44,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:44,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:44,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:44,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:44,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:44,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:44,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:39:44,836 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:44,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:44,852 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:44,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:44,876 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:44,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:44,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549509511] [2021-03-26 13:39:44,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:44,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:44,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566196594] [2021-03-26 13:39:44,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:44,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:44,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:44,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:44,901 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:44,901 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) [2021-03-26 13:39:44,901 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:44,901 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:44,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:45,732 INFO L129 PetriNetUnfolder]: 203/2451 cut-off events. [2021-03-26 13:39:45,732 INFO L130 PetriNetUnfolder]: For 112828/113442 co-relation queries the response was YES. [2021-03-26 13:39:45,757 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. [2021-03-26 13:39:45,761 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 289 selfloop transitions, 135 changer transitions 2/440 dead transitions. [2021-03-26 13:39:45,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 440 transitions, 19673 flow [2021-03-26 13:39:45,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:45,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:45,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:45,762 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:45,762 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:45,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:45,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:45,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:45,763 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) [2021-03-26 13:39:45,763 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) [2021-03-26 13:39:45,763 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) [2021-03-26 13:39:45,763 INFO L185 Difference]: Start difference. First operand has 478 places, 421 transitions, 18109 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:45,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 440 transitions, 19673 flow [2021-03-26 13:39:46,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 440 transitions, 19461 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-26 13:39:46,366 INFO L241 Difference]: Finished difference. Result has 483 places, 424 transitions, 18365 flow [2021-03-26 13:39:46,366 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} [2021-03-26 13:39:46,366 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 445 predicate places. [2021-03-26 13:39:46,366 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:46,366 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 483 places, 424 transitions, 18365 flow [2021-03-26 13:39:46,366 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 483 places, 424 transitions, 18365 flow [2021-03-26 13:39:46,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 482 places, 424 transitions, 18365 flow [2021-03-26 13:39:46,741 INFO L129 PetriNetUnfolder]: 149/2348 cut-off events. [2021-03-26 13:39:46,742 INFO L130 PetriNetUnfolder]: For 109368/109540 co-relation queries the response was YES. [2021-03-26 13:39:46,765 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. [2021-03-26 13:39:46,790 INFO L142 LiptonReduction]: Number of co-enabled transitions 2924 [2021-03-26 13:39:46,818 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:46,818 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:46,818 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 452 [2021-03-26 13:39:46,818 INFO L480 AbstractCegarLoop]: Abstraction has has 482 places, 424 transitions, 18365 flow [2021-03-26 13:39:46,818 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) [2021-03-26 13:39:46,818 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:46,818 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:46,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-03-26 13:39:46,819 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]=== [2021-03-26 13:39:46,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:46,819 INFO L82 PathProgramCache]: Analyzing trace with hash -456671904, now seen corresponding path program 108 times [2021-03-26 13:39:46,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:46,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29581786] [2021-03-26 13:39:46,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:46,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:46,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:46,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:46,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:46,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:46,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:46,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:46,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:39:46,851 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:46,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:46,865 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:46,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:46,883 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:46,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:46,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29581786] [2021-03-26 13:39:46,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:46,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:46,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233135088] [2021-03-26 13:39:46,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:46,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:46,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:46,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:46,902 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:46,902 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) [2021-03-26 13:39:46,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:46,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:46,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:47,651 INFO L129 PetriNetUnfolder]: 202/2441 cut-off events. [2021-03-26 13:39:47,651 INFO L130 PetriNetUnfolder]: For 113818/114429 co-relation queries the response was YES. [2021-03-26 13:39:47,677 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. [2021-03-26 13:39:47,682 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 286 selfloop transitions, 136 changer transitions 2/438 dead transitions. [2021-03-26 13:39:47,682 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 438 transitions, 19691 flow [2021-03-26 13:39:47,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:47,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:47,683 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:47,683 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:47,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:47,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:47,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:47,683 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) [2021-03-26 13:39:47,683 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) [2021-03-26 13:39:47,683 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) [2021-03-26 13:39:47,684 INFO L185 Difference]: Start difference. First operand has 482 places, 424 transitions, 18365 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:47,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 438 transitions, 19691 flow [2021-03-26 13:39:48,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 438 transitions, 19554 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-26 13:39:48,421 INFO L241 Difference]: Finished difference. Result has 487 places, 422 transitions, 18403 flow [2021-03-26 13:39:48,421 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} [2021-03-26 13:39:48,421 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 449 predicate places. [2021-03-26 13:39:48,421 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:48,422 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 487 places, 422 transitions, 18403 flow [2021-03-26 13:39:48,422 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 487 places, 422 transitions, 18403 flow [2021-03-26 13:39:48,427 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 486 places, 422 transitions, 18403 flow [2021-03-26 13:39:48,852 INFO L129 PetriNetUnfolder]: 148/2338 cut-off events. [2021-03-26 13:39:48,852 INFO L130 PetriNetUnfolder]: For 110056/110246 co-relation queries the response was YES. [2021-03-26 13:39:48,875 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. [2021-03-26 13:39:48,898 INFO L142 LiptonReduction]: Number of co-enabled transitions 2920 [2021-03-26 13:39:48,925 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:48,925 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:48,925 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 504 [2021-03-26 13:39:48,925 INFO L480 AbstractCegarLoop]: Abstraction has has 486 places, 422 transitions, 18403 flow [2021-03-26 13:39:48,925 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) [2021-03-26 13:39:48,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:48,925 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:48,925 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-03-26 13:39:48,925 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]=== [2021-03-26 13:39:48,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:48,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1967940512, now seen corresponding path program 109 times [2021-03-26 13:39:48,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:48,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193183822] [2021-03-26 13:39:48,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:48,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:48,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:48,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:48,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:48,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:48,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:48,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:48,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:39:48,953 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:48,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:48,967 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:48,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:48,986 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:48,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:49,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:49,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193183822] [2021-03-26 13:39:49,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:49,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:49,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345887233] [2021-03-26 13:39:49,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:49,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:49,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:49,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:49,005 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:49,006 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) [2021-03-26 13:39:49,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:49,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:49,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:49,733 INFO L129 PetriNetUnfolder]: 201/2431 cut-off events. [2021-03-26 13:39:49,733 INFO L130 PetriNetUnfolder]: For 114214/114849 co-relation queries the response was YES. [2021-03-26 13:39:49,759 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. [2021-03-26 13:39:49,764 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 138 changer transitions 0/436 dead transitions. [2021-03-26 13:39:49,764 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 436 transitions, 19725 flow [2021-03-26 13:39:49,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:49,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:49,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:49,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:49,765 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:49,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:49,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:49,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:49,765 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) [2021-03-26 13:39:49,766 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) [2021-03-26 13:39:49,766 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) [2021-03-26 13:39:49,766 INFO L185 Difference]: Start difference. First operand has 486 places, 422 transitions, 18403 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:49,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 436 transitions, 19725 flow [2021-03-26 13:39:50,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 436 transitions, 19463 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:39:50,434 INFO L241 Difference]: Finished difference. Result has 489 places, 422 transitions, 18428 flow [2021-03-26 13:39:50,434 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} [2021-03-26 13:39:50,434 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 451 predicate places. [2021-03-26 13:39:50,434 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:50,434 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 489 places, 422 transitions, 18428 flow [2021-03-26 13:39:50,434 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 489 places, 422 transitions, 18428 flow [2021-03-26 13:39:50,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 489 places, 422 transitions, 18428 flow [2021-03-26 13:39:50,805 INFO L129 PetriNetUnfolder]: 148/2337 cut-off events. [2021-03-26 13:39:50,805 INFO L130 PetriNetUnfolder]: For 109654/109826 co-relation queries the response was YES. [2021-03-26 13:39:50,830 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. [2021-03-26 13:39:50,855 INFO L142 LiptonReduction]: Number of co-enabled transitions 2920 [2021-03-26 13:39:50,884 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:50,884 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:50,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 450 [2021-03-26 13:39:50,884 INFO L480 AbstractCegarLoop]: Abstraction has has 489 places, 422 transitions, 18428 flow [2021-03-26 13:39:50,884 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) [2021-03-26 13:39:50,884 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:50,884 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:50,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-03-26 13:39:50,884 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]=== [2021-03-26 13:39:50,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:50,885 INFO L82 PathProgramCache]: Analyzing trace with hash 109113996, now seen corresponding path program 110 times [2021-03-26 13:39:50,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:50,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606255537] [2021-03-26 13:39:50,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:50,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:50,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:50,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:50,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:50,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:50,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:50,903 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:50,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:50,914 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:50,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:50,928 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:50,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:50,950 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:50,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:50,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:50,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606255537] [2021-03-26 13:39:50,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:50,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:50,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153287484] [2021-03-26 13:39:50,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:50,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:50,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:50,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:50,970 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:50,970 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) [2021-03-26 13:39:50,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:50,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:50,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:51,767 INFO L129 PetriNetUnfolder]: 201/2430 cut-off events. [2021-03-26 13:39:51,768 INFO L130 PetriNetUnfolder]: For 114034/114634 co-relation queries the response was YES. [2021-03-26 13:39:51,790 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. [2021-03-26 13:39:51,794 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 137 changer transitions 1/436 dead transitions. [2021-03-26 13:39:51,794 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 436 transitions, 19750 flow [2021-03-26 13:39:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:51,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:51,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:51,795 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:51,795 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:51,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:51,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:51,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:51,796 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) [2021-03-26 13:39:51,796 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) [2021-03-26 13:39:51,796 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) [2021-03-26 13:39:51,797 INFO L185 Difference]: Start difference. First operand has 489 places, 422 transitions, 18428 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:51,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 436 transitions, 19750 flow [2021-03-26 13:39:52,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 436 transitions, 19498 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 13:39:52,415 INFO L241 Difference]: Finished difference. Result has 494 places, 431 transitions, 18905 flow [2021-03-26 13:39:52,415 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} [2021-03-26 13:39:52,415 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 456 predicate places. [2021-03-26 13:39:52,416 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:52,416 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 494 places, 431 transitions, 18905 flow [2021-03-26 13:39:52,416 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 494 places, 431 transitions, 18905 flow [2021-03-26 13:39:52,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 493 places, 431 transitions, 18905 flow [2021-03-26 13:39:52,807 INFO L129 PetriNetUnfolder]: 147/2328 cut-off events. [2021-03-26 13:39:52,807 INFO L130 PetriNetUnfolder]: For 113212/113428 co-relation queries the response was YES. [2021-03-26 13:39:52,831 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. [2021-03-26 13:39:52,853 INFO L142 LiptonReduction]: Number of co-enabled transitions 3006 [2021-03-26 13:39:52,882 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:52,882 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:52,882 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 466 [2021-03-26 13:39:52,882 INFO L480 AbstractCegarLoop]: Abstraction has has 493 places, 431 transitions, 18905 flow [2021-03-26 13:39:52,883 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) [2021-03-26 13:39:52,883 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:52,883 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:52,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-03-26 13:39:52,883 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]=== [2021-03-26 13:39:52,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:52,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1919120356, now seen corresponding path program 111 times [2021-03-26 13:39:52,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:52,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369685592] [2021-03-26 13:39:52,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:52,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:52,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:52,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:52,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:52,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:52,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:52,903 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:52,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:52,913 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:52,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:52,927 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:52,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:52,946 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:52,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:52,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369685592] [2021-03-26 13:39:52,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:52,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:52,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762490224] [2021-03-26 13:39:52,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:52,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:52,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:52,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:52,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:52,965 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) [2021-03-26 13:39:52,965 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:52,965 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:52,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:53,710 INFO L129 PetriNetUnfolder]: 200/2421 cut-off events. [2021-03-26 13:39:53,710 INFO L130 PetriNetUnfolder]: For 117598/118207 co-relation queries the response was YES. [2021-03-26 13:39:53,740 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. [2021-03-26 13:39:53,745 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 135 changer transitions 2/435 dead transitions. [2021-03-26 13:39:53,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 435 transitions, 19827 flow [2021-03-26 13:39:53,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:53,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:53,746 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:53,746 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:53,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:53,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:53,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:53,746 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) [2021-03-26 13:39:53,747 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) [2021-03-26 13:39:53,747 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) [2021-03-26 13:39:53,747 INFO L185 Difference]: Start difference. First operand has 493 places, 431 transitions, 18905 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:53,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 435 transitions, 19827 flow [2021-03-26 13:39:54,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 435 transitions, 19628 flow, removed 20 selfloop flow, removed 5 redundant places. [2021-03-26 13:39:54,430 INFO L241 Difference]: Finished difference. Result has 496 places, 429 transitions, 18871 flow [2021-03-26 13:39:54,430 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} [2021-03-26 13:39:54,430 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 458 predicate places. [2021-03-26 13:39:54,430 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:54,430 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 496 places, 429 transitions, 18871 flow [2021-03-26 13:39:54,430 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 496 places, 429 transitions, 18871 flow [2021-03-26 13:39:54,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 495 places, 429 transitions, 18871 flow [2021-03-26 13:39:54,813 INFO L129 PetriNetUnfolder]: 146/2318 cut-off events. [2021-03-26 13:39:54,814 INFO L130 PetriNetUnfolder]: For 111725/111897 co-relation queries the response was YES. [2021-03-26 13:39:54,839 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. [2021-03-26 13:39:54,865 INFO L142 LiptonReduction]: Number of co-enabled transitions 2996 [2021-03-26 13:39:54,893 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:54,894 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:54,894 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 464 [2021-03-26 13:39:54,894 INFO L480 AbstractCegarLoop]: Abstraction has has 495 places, 429 transitions, 18871 flow [2021-03-26 13:39:54,894 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) [2021-03-26 13:39:54,894 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:54,894 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:54,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-03-26 13:39:54,894 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]=== [2021-03-26 13:39:54,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:54,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1582324286, now seen corresponding path program 112 times [2021-03-26 13:39:54,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:54,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630396447] [2021-03-26 13:39:54,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:54,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:54,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:54,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:54,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:54,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:54,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:54,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:54,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:39:54,948 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:54,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:54,963 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:54,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:54,982 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:54,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:55,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:55,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630396447] [2021-03-26 13:39:55,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:55,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:55,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134961348] [2021-03-26 13:39:55,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:55,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:55,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:55,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:55,001 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:55,002 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) [2021-03-26 13:39:55,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:55,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:55,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:55,705 INFO L129 PetriNetUnfolder]: 199/2411 cut-off events. [2021-03-26 13:39:55,705 INFO L130 PetriNetUnfolder]: For 116166/116780 co-relation queries the response was YES. [2021-03-26 13:39:55,733 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. [2021-03-26 13:39:55,739 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 283 selfloop transitions, 133 changer transitions 3/433 dead transitions. [2021-03-26 13:39:55,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 433 transitions, 19789 flow [2021-03-26 13:39:55,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:55,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:55,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:55,740 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:55,740 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:55,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:55,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:55,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:55,740 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) [2021-03-26 13:39:55,741 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) [2021-03-26 13:39:55,741 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) [2021-03-26 13:39:55,741 INFO L185 Difference]: Start difference. First operand has 495 places, 429 transitions, 18871 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:55,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 433 transitions, 19789 flow [2021-03-26 13:39:56,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 433 transitions, 19527 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:39:56,456 INFO L241 Difference]: Finished difference. Result has 498 places, 426 transitions, 18704 flow [2021-03-26 13:39:56,457 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} [2021-03-26 13:39:56,457 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 460 predicate places. [2021-03-26 13:39:56,457 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:56,457 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 498 places, 426 transitions, 18704 flow [2021-03-26 13:39:56,457 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 498 places, 426 transitions, 18704 flow [2021-03-26 13:39:56,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 496 places, 426 transitions, 18704 flow [2021-03-26 13:39:56,844 INFO L129 PetriNetUnfolder]: 145/2302 cut-off events. [2021-03-26 13:39:56,844 INFO L130 PetriNetUnfolder]: For 110515/110712 co-relation queries the response was YES. [2021-03-26 13:39:56,868 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. [2021-03-26 13:39:56,892 INFO L142 LiptonReduction]: Number of co-enabled transitions 2972 [2021-03-26 13:39:56,920 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:56,921 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:56,921 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 464 [2021-03-26 13:39:56,921 INFO L480 AbstractCegarLoop]: Abstraction has has 496 places, 426 transitions, 18704 flow [2021-03-26 13:39:56,921 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) [2021-03-26 13:39:56,921 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:56,921 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:56,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-03-26 13:39:56,921 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]=== [2021-03-26 13:39:56,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:56,921 INFO L82 PathProgramCache]: Analyzing trace with hash 308179398, now seen corresponding path program 113 times [2021-03-26 13:39:56,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:56,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767783629] [2021-03-26 13:39:56,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:56,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:56,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:56,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:56,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:56,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:56,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:56,938 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:56,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:56,948 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:56,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:56,962 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:56,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:56,981 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:56,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:56,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:56,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767783629] [2021-03-26 13:39:56,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:56,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:56,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045105434] [2021-03-26 13:39:56,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:56,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:57,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:57,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:57,000 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:57,000 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) [2021-03-26 13:39:57,000 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:57,000 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:57,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:57,738 INFO L129 PetriNetUnfolder]: 198/2395 cut-off events. [2021-03-26 13:39:57,738 INFO L130 PetriNetUnfolder]: For 115088/115696 co-relation queries the response was YES. [2021-03-26 13:39:57,766 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. [2021-03-26 13:39:57,771 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 136 changer transitions 0/430 dead transitions. [2021-03-26 13:39:57,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 430 transitions, 19616 flow [2021-03-26 13:39:57,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:57,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:57,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:57,772 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:57,772 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:57,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:57,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:57,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:57,773 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) [2021-03-26 13:39:57,773 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) [2021-03-26 13:39:57,773 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) [2021-03-26 13:39:57,773 INFO L185 Difference]: Start difference. First operand has 496 places, 426 transitions, 18704 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:57,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 430 transitions, 19616 flow [2021-03-26 13:39:58,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 430 transitions, 19343 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-26 13:39:58,578 INFO L241 Difference]: Finished difference. Result has 498 places, 426 transitions, 18722 flow [2021-03-26 13:39:58,579 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} [2021-03-26 13:39:58,579 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 460 predicate places. [2021-03-26 13:39:58,579 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:58,579 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 498 places, 426 transitions, 18722 flow [2021-03-26 13:39:58,579 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 498 places, 426 transitions, 18722 flow [2021-03-26 13:39:58,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 498 places, 426 transitions, 18722 flow [2021-03-26 13:39:58,966 INFO L129 PetriNetUnfolder]: 145/2301 cut-off events. [2021-03-26 13:39:58,966 INFO L130 PetriNetUnfolder]: For 108643/108815 co-relation queries the response was YES. [2021-03-26 13:39:58,990 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. [2021-03-26 13:39:59,014 INFO L142 LiptonReduction]: Number of co-enabled transitions 2972 [2021-03-26 13:39:59,044 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:59,044 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:59,044 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 465 [2021-03-26 13:39:59,044 INFO L480 AbstractCegarLoop]: Abstraction has has 498 places, 426 transitions, 18722 flow [2021-03-26 13:39:59,044 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) [2021-03-26 13:39:59,044 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:59,044 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:59,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-03-26 13:39:59,045 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]=== [2021-03-26 13:39:59,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:59,045 INFO L82 PathProgramCache]: Analyzing trace with hash -852842716, now seen corresponding path program 114 times [2021-03-26 13:39:59,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:59,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212105949] [2021-03-26 13:39:59,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:59,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:59,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:59,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:59,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:59,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:59,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:59,073 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:59,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:59,084 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:59,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:59,098 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:59,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:59,117 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:39:59,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:59,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:59,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212105949] [2021-03-26 13:39:59,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:59,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:39:59,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931207493] [2021-03-26 13:39:59,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:39:59,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:59,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:39:59,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:39:59,137 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:39:59,137 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) [2021-03-26 13:39:59,137 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:59,137 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:39:59,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:59,874 INFO L129 PetriNetUnfolder]: 198/2394 cut-off events. [2021-03-26 13:39:59,874 INFO L130 PetriNetUnfolder]: For 112880/113513 co-relation queries the response was YES. [2021-03-26 13:39:59,900 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. [2021-03-26 13:39:59,906 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 279 selfloop transitions, 135 changer transitions 2/430 dead transitions. [2021-03-26 13:39:59,906 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 430 transitions, 19626 flow [2021-03-26 13:39:59,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:39:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:39:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:39:59,907 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:39:59,907 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:39:59,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:39:59,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:59,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:39:59,907 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) [2021-03-26 13:39:59,907 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) [2021-03-26 13:39:59,908 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) [2021-03-26 13:39:59,908 INFO L185 Difference]: Start difference. First operand has 498 places, 426 transitions, 18722 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:39:59,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 430 transitions, 19626 flow [2021-03-26 13:40:00,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 430 transitions, 19509 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 13:40:00,658 INFO L241 Difference]: Finished difference. Result has 504 places, 424 transitions, 18761 flow [2021-03-26 13:40:00,658 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} [2021-03-26 13:40:00,659 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 466 predicate places. [2021-03-26 13:40:00,659 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:00,659 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 504 places, 424 transitions, 18761 flow [2021-03-26 13:40:00,659 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 504 places, 424 transitions, 18761 flow [2021-03-26 13:40:00,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 503 places, 424 transitions, 18761 flow [2021-03-26 13:40:01,050 INFO L129 PetriNetUnfolder]: 144/2291 cut-off events. [2021-03-26 13:40:01,050 INFO L130 PetriNetUnfolder]: For 110850/111022 co-relation queries the response was YES. [2021-03-26 13:40:01,074 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. [2021-03-26 13:40:01,100 INFO L142 LiptonReduction]: Number of co-enabled transitions 2960 [2021-03-26 13:40:01,129 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:01,129 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:01,130 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 471 [2021-03-26 13:40:01,130 INFO L480 AbstractCegarLoop]: Abstraction has has 503 places, 424 transitions, 18761 flow [2021-03-26 13:40:01,130 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) [2021-03-26 13:40:01,130 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:01,130 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:01,130 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-03-26 13:40:01,130 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]=== [2021-03-26 13:40:01,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:01,130 INFO L82 PathProgramCache]: Analyzing trace with hash -108140218, now seen corresponding path program 115 times [2021-03-26 13:40:01,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:01,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400723473] [2021-03-26 13:40:01,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:01,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:01,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:01,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:01,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:01,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:01,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:01,151 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:01,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:01,163 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:40:01,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:40:01,179 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:01,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:01,205 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:01,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:01,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:01,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400723473] [2021-03-26 13:40:01,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:01,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:01,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451088974] [2021-03-26 13:40:01,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:01,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:01,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:01,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:01,229 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:01,229 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) [2021-03-26 13:40:01,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:01,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:01,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:02,090 INFO L129 PetriNetUnfolder]: 197/2384 cut-off events. [2021-03-26 13:40:02,090 INFO L130 PetriNetUnfolder]: For 115165/115765 co-relation queries the response was YES. [2021-03-26 13:40:02,117 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. [2021-03-26 13:40:02,122 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 135 changer transitions 2/428 dead transitions. [2021-03-26 13:40:02,123 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 428 transitions, 19669 flow [2021-03-26 13:40:02,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:02,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:02,124 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:02,124 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:02,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:02,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:02,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:02,124 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) [2021-03-26 13:40:02,124 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) [2021-03-26 13:40:02,124 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) [2021-03-26 13:40:02,125 INFO L185 Difference]: Start difference. First operand has 503 places, 424 transitions, 18761 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:02,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 428 transitions, 19669 flow [2021-03-26 13:40:02,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 428 transitions, 19410 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 13:40:02,827 INFO L241 Difference]: Finished difference. Result has 505 places, 422 transitions, 18667 flow [2021-03-26 13:40:02,827 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} [2021-03-26 13:40:02,827 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 467 predicate places. [2021-03-26 13:40:02,827 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:02,828 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 505 places, 422 transitions, 18667 flow [2021-03-26 13:40:02,828 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 505 places, 422 transitions, 18667 flow [2021-03-26 13:40:02,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 504 places, 422 transitions, 18667 flow [2021-03-26 13:40:03,205 INFO L129 PetriNetUnfolder]: 143/2281 cut-off events. [2021-03-26 13:40:03,205 INFO L130 PetriNetUnfolder]: For 109143/109315 co-relation queries the response was YES. [2021-03-26 13:40:03,230 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. [2021-03-26 13:40:03,254 INFO L142 LiptonReduction]: Number of co-enabled transitions 2956 [2021-03-26 13:40:03,282 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:03,283 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:03,283 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 456 [2021-03-26 13:40:03,283 INFO L480 AbstractCegarLoop]: Abstraction has has 504 places, 422 transitions, 18667 flow [2021-03-26 13:40:03,283 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) [2021-03-26 13:40:03,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:03,283 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:03,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-03-26 13:40:03,283 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]=== [2021-03-26 13:40:03,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:03,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1925928096, now seen corresponding path program 116 times [2021-03-26 13:40:03,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:03,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860400728] [2021-03-26 13:40:03,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:03,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:03,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:03,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:03,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:03,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:03,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:03,303 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:03,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:03,313 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:40:03,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:40:03,328 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:03,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:03,347 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:03,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:03,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:03,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860400728] [2021-03-26 13:40:03,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:03,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:03,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233831161] [2021-03-26 13:40:03,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:03,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:03,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:03,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:03,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:03,367 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) [2021-03-26 13:40:03,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:03,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:03,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:04,088 INFO L129 PetriNetUnfolder]: 196/2374 cut-off events. [2021-03-26 13:40:04,088 INFO L130 PetriNetUnfolder]: For 113643/114254 co-relation queries the response was YES. [2021-03-26 13:40:04,115 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. [2021-03-26 13:40:04,120 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 131 changer transitions 4/426 dead transitions. [2021-03-26 13:40:04,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 426 transitions, 19571 flow [2021-03-26 13:40:04,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:04,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:04,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:04,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:04,121 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:04,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:04,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:04,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:04,122 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) [2021-03-26 13:40:04,122 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) [2021-03-26 13:40:04,122 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) [2021-03-26 13:40:04,122 INFO L185 Difference]: Start difference. First operand has 504 places, 422 transitions, 18667 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:04,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 511 places, 426 transitions, 19571 flow [2021-03-26 13:40:04,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 426 transitions, 19311 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:40:04,845 INFO L241 Difference]: Finished difference. Result has 507 places, 418 transitions, 18437 flow [2021-03-26 13:40:04,846 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} [2021-03-26 13:40:04,846 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 469 predicate places. [2021-03-26 13:40:04,846 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:04,846 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 507 places, 418 transitions, 18437 flow [2021-03-26 13:40:04,846 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 507 places, 418 transitions, 18437 flow [2021-03-26 13:40:04,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 505 places, 418 transitions, 18437 flow [2021-03-26 13:40:05,286 INFO L129 PetriNetUnfolder]: 142/2264 cut-off events. [2021-03-26 13:40:05,286 INFO L130 PetriNetUnfolder]: For 108107/108278 co-relation queries the response was YES. [2021-03-26 13:40:05,311 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. [2021-03-26 13:40:05,335 INFO L142 LiptonReduction]: Number of co-enabled transitions 2928 [2021-03-26 13:40:05,363 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:05,363 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:05,363 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 517 [2021-03-26 13:40:05,363 INFO L480 AbstractCegarLoop]: Abstraction has has 505 places, 418 transitions, 18437 flow [2021-03-26 13:40:05,363 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) [2021-03-26 13:40:05,363 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:05,363 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:05,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-03-26 13:40:05,363 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]=== [2021-03-26 13:40:05,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:05,364 INFO L82 PathProgramCache]: Analyzing trace with hash 2030153214, now seen corresponding path program 117 times [2021-03-26 13:40:05,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:05,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108379584] [2021-03-26 13:40:05,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:05,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:05,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:05,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:05,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:05,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:05,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:05,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:05,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:40:05,396 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:40:05,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:40:05,412 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:05,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:05,435 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:05,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:05,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:05,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108379584] [2021-03-26 13:40:05,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:05,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:05,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123494622] [2021-03-26 13:40:05,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:05,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:05,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:05,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:05,459 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:05,459 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) [2021-03-26 13:40:05,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:05,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:05,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:06,183 INFO L129 PetriNetUnfolder]: 195/2357 cut-off events. [2021-03-26 13:40:06,183 INFO L130 PetriNetUnfolder]: For 112504/113118 co-relation queries the response was YES. [2021-03-26 13:40:06,209 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. [2021-03-26 13:40:06,214 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 127 changer transitions 1/422 dead transitions. [2021-03-26 13:40:06,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 422 transitions, 19333 flow [2021-03-26 13:40:06,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:06,215 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:06,215 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:06,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:06,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:06,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:06,216 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) [2021-03-26 13:40:06,216 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) [2021-03-26 13:40:06,216 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) [2021-03-26 13:40:06,216 INFO L185 Difference]: Start difference. First operand has 505 places, 418 transitions, 18437 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:06,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 422 transitions, 19333 flow [2021-03-26 13:40:06,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 422 transitions, 19116 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 13:40:06,970 INFO L241 Difference]: Finished difference. Result has 508 places, 417 transitions, 18427 flow [2021-03-26 13:40:06,970 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} [2021-03-26 13:40:06,971 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 470 predicate places. [2021-03-26 13:40:06,971 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:06,971 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 508 places, 417 transitions, 18427 flow [2021-03-26 13:40:06,971 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 508 places, 417 transitions, 18427 flow [2021-03-26 13:40:06,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 507 places, 417 transitions, 18427 flow [2021-03-26 13:40:07,413 INFO L129 PetriNetUnfolder]: 141/2255 cut-off events. [2021-03-26 13:40:07,413 INFO L130 PetriNetUnfolder]: For 105740/105912 co-relation queries the response was YES. [2021-03-26 13:40:07,438 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. [2021-03-26 13:40:07,463 INFO L142 LiptonReduction]: Number of co-enabled transitions 2926 [2021-03-26 13:40:07,492 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:07,492 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:07,492 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 521 [2021-03-26 13:40:07,492 INFO L480 AbstractCegarLoop]: Abstraction has has 507 places, 417 transitions, 18427 flow [2021-03-26 13:40:07,492 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) [2021-03-26 13:40:07,492 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:07,492 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:07,492 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-03-26 13:40:07,492 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]=== [2021-03-26 13:40:07,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:07,493 INFO L82 PathProgramCache]: Analyzing trace with hash 297676294, now seen corresponding path program 118 times [2021-03-26 13:40:07,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:07,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829746653] [2021-03-26 13:40:07,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:07,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:07,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:07,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:07,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:07,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:07,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:07,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:07,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:40:07,525 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:40:07,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:40:07,542 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:07,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:07,564 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:07,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:07,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829746653] [2021-03-26 13:40:07,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:07,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:07,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714279410] [2021-03-26 13:40:07,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:07,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:07,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:07,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:07,589 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:07,589 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) [2021-03-26 13:40:07,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:07,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:07,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:08,374 INFO L129 PetriNetUnfolder]: 194/2348 cut-off events. [2021-03-26 13:40:08,374 INFO L130 PetriNetUnfolder]: For 110130/110730 co-relation queries the response was YES. [2021-03-26 13:40:08,400 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. [2021-03-26 13:40:08,406 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 281 selfloop transitions, 126 changer transitions 0/421 dead transitions. [2021-03-26 13:40:08,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 421 transitions, 19313 flow [2021-03-26 13:40:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:08,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:08,407 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:08,407 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:08,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:08,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:08,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:08,407 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) [2021-03-26 13:40:08,408 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) [2021-03-26 13:40:08,408 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) [2021-03-26 13:40:08,408 INFO L185 Difference]: Start difference. First operand has 507 places, 417 transitions, 18427 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:08,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 421 transitions, 19313 flow [2021-03-26 13:40:09,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 421 transitions, 19020 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-26 13:40:09,175 INFO L241 Difference]: Finished difference. Result has 509 places, 417 transitions, 18397 flow [2021-03-26 13:40:09,176 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} [2021-03-26 13:40:09,176 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 471 predicate places. [2021-03-26 13:40:09,176 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:09,176 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 509 places, 417 transitions, 18397 flow [2021-03-26 13:40:09,176 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 509 places, 417 transitions, 18397 flow [2021-03-26 13:40:09,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 509 places, 417 transitions, 18397 flow [2021-03-26 13:40:09,558 INFO L129 PetriNetUnfolder]: 141/2254 cut-off events. [2021-03-26 13:40:09,559 INFO L130 PetriNetUnfolder]: For 104820/104992 co-relation queries the response was YES. [2021-03-26 13:40:09,582 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. [2021-03-26 13:40:09,606 INFO L142 LiptonReduction]: Number of co-enabled transitions 2926 [2021-03-26 13:40:09,634 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:09,635 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:09,635 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 459 [2021-03-26 13:40:09,635 INFO L480 AbstractCegarLoop]: Abstraction has has 509 places, 417 transitions, 18397 flow [2021-03-26 13:40:09,635 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) [2021-03-26 13:40:09,635 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:09,635 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:09,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-03-26 13:40:09,635 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]=== [2021-03-26 13:40:09,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:09,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1613833598, now seen corresponding path program 119 times [2021-03-26 13:40:09,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:09,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429389745] [2021-03-26 13:40:09,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:09,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:09,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:09,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:09,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:09,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:09,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:09,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:09,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:40:09,662 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:40:09,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:40:09,677 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:09,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:09,696 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:09,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:09,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429389745] [2021-03-26 13:40:09,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:09,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:09,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623588731] [2021-03-26 13:40:09,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:09,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:09,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:09,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:09,716 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:09,716 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) [2021-03-26 13:40:09,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:09,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:09,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:10,426 INFO L129 PetriNetUnfolder]: 194/2347 cut-off events. [2021-03-26 13:40:10,427 INFO L130 PetriNetUnfolder]: For 109073/109682 co-relation queries the response was YES. [2021-03-26 13:40:10,453 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. [2021-03-26 13:40:10,458 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 122 changer transitions 5/421 dead transitions. [2021-03-26 13:40:10,459 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 421 transitions, 19283 flow [2021-03-26 13:40:10,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:10,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:10,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:10,459 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:10,459 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:10,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:10,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:10,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:10,460 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) [2021-03-26 13:40:10,460 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) [2021-03-26 13:40:10,460 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) [2021-03-26 13:40:10,460 INFO L185 Difference]: Start difference. First operand has 509 places, 417 transitions, 18397 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:10,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 421 transitions, 19283 flow [2021-03-26 13:40:11,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 421 transitions, 19030 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-26 13:40:11,196 INFO L241 Difference]: Finished difference. Result has 512 places, 412 transitions, 18093 flow [2021-03-26 13:40:11,196 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} [2021-03-26 13:40:11,196 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 474 predicate places. [2021-03-26 13:40:11,196 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:11,196 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 412 transitions, 18093 flow [2021-03-26 13:40:11,196 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 412 transitions, 18093 flow [2021-03-26 13:40:11,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 510 places, 412 transitions, 18093 flow [2021-03-26 13:40:11,571 INFO L129 PetriNetUnfolder]: 140/2237 cut-off events. [2021-03-26 13:40:11,571 INFO L130 PetriNetUnfolder]: For 104276/104448 co-relation queries the response was YES. [2021-03-26 13:40:11,598 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. [2021-03-26 13:40:11,622 INFO L142 LiptonReduction]: Number of co-enabled transitions 2888 [2021-03-26 13:40:11,649 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:11,649 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:11,649 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 453 [2021-03-26 13:40:11,650 INFO L480 AbstractCegarLoop]: Abstraction has has 510 places, 412 transitions, 18093 flow [2021-03-26 13:40:11,650 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) [2021-03-26 13:40:11,650 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:11,650 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:11,650 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-03-26 13:40:11,650 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]=== [2021-03-26 13:40:11,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:11,650 INFO L82 PathProgramCache]: Analyzing trace with hash -775409086, now seen corresponding path program 120 times [2021-03-26 13:40:11,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:11,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600342444] [2021-03-26 13:40:11,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:11,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:11,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:11,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:11,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:11,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:11,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:11,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:11,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:40:11,677 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:40:11,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:40:11,695 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:11,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:11,714 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:11,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:11,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600342444] [2021-03-26 13:40:11,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:11,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:11,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939687189] [2021-03-26 13:40:11,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:11,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:11,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:11,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:11,734 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:11,734 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) [2021-03-26 13:40:11,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:11,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:11,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:12,421 INFO L129 PetriNetUnfolder]: 193/2330 cut-off events. [2021-03-26 13:40:12,421 INFO L130 PetriNetUnfolder]: For 109040/109682 co-relation queries the response was YES. [2021-03-26 13:40:12,445 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. [2021-03-26 13:40:12,450 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 122 changer transitions 2/416 dead transitions. [2021-03-26 13:40:12,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 416 transitions, 18977 flow [2021-03-26 13:40:12,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:12,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:12,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:12,451 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:12,451 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:12,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:12,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:12,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:12,451 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) [2021-03-26 13:40:12,452 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) [2021-03-26 13:40:12,452 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) [2021-03-26 13:40:12,452 INFO L185 Difference]: Start difference. First operand has 510 places, 412 transitions, 18093 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:12,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 416 transitions, 18977 flow [2021-03-26 13:40:13,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 416 transitions, 18728 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 13:40:13,133 INFO L241 Difference]: Finished difference. Result has 512 places, 410 transitions, 17980 flow [2021-03-26 13:40:13,133 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} [2021-03-26 13:40:13,133 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 474 predicate places. [2021-03-26 13:40:13,133 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:13,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 410 transitions, 17980 flow [2021-03-26 13:40:13,133 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 410 transitions, 17980 flow [2021-03-26 13:40:13,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 511 places, 410 transitions, 17980 flow [2021-03-26 13:40:13,498 INFO L129 PetriNetUnfolder]: 139/2227 cut-off events. [2021-03-26 13:40:13,498 INFO L130 PetriNetUnfolder]: For 101685/101874 co-relation queries the response was YES. [2021-03-26 13:40:13,523 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. [2021-03-26 13:40:13,548 INFO L142 LiptonReduction]: Number of co-enabled transitions 2878 [2021-03-26 13:40:13,576 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:13,576 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:13,576 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 443 [2021-03-26 13:40:13,577 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 410 transitions, 17980 flow [2021-03-26 13:40:13,577 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) [2021-03-26 13:40:13,577 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:13,577 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:13,577 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-03-26 13:40:13,577 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]=== [2021-03-26 13:40:13,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:13,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1381899694, now seen corresponding path program 121 times [2021-03-26 13:40:13,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:13,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794002334] [2021-03-26 13:40:13,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:13,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:13,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:13,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:13,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:13,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:13,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:13,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:13,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:40:13,606 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:40:13,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:40:13,644 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:13,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:13,664 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:13,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:13,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:13,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794002334] [2021-03-26 13:40:13,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:13,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:13,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886485620] [2021-03-26 13:40:13,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:13,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:13,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:13,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:13,684 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:13,684 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) [2021-03-26 13:40:13,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:13,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:13,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:14,457 INFO L129 PetriNetUnfolder]: 192/2320 cut-off events. [2021-03-26 13:40:14,457 INFO L130 PetriNetUnfolder]: For 106359/106974 co-relation queries the response was YES. [2021-03-26 13:40:14,489 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. [2021-03-26 13:40:14,495 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 120 changer transitions 2/414 dead transitions. [2021-03-26 13:40:14,495 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 414 transitions, 18852 flow [2021-03-26 13:40:14,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:14,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:14,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:14,496 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:14,496 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:14,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:14,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:14,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:14,496 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) [2021-03-26 13:40:14,496 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) [2021-03-26 13:40:14,497 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) [2021-03-26 13:40:14,497 INFO L185 Difference]: Start difference. First operand has 511 places, 410 transitions, 17980 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:14,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 414 transitions, 18852 flow [2021-03-26 13:40:15,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 414 transitions, 18654 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 13:40:15,163 INFO L241 Difference]: Finished difference. Result has 515 places, 408 transitions, 17903 flow [2021-03-26 13:40:15,164 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} [2021-03-26 13:40:15,164 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 477 predicate places. [2021-03-26 13:40:15,164 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:15,164 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 515 places, 408 transitions, 17903 flow [2021-03-26 13:40:15,164 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 515 places, 408 transitions, 17903 flow [2021-03-26 13:40:15,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 514 places, 408 transitions, 17903 flow [2021-03-26 13:40:15,551 INFO L129 PetriNetUnfolder]: 138/2217 cut-off events. [2021-03-26 13:40:15,551 INFO L130 PetriNetUnfolder]: For 101540/101712 co-relation queries the response was YES. [2021-03-26 13:40:15,573 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. [2021-03-26 13:40:15,596 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-26 13:40:15,624 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:15,624 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:15,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 460 [2021-03-26 13:40:15,624 INFO L480 AbstractCegarLoop]: Abstraction has has 514 places, 408 transitions, 17903 flow [2021-03-26 13:40:15,624 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) [2021-03-26 13:40:15,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:15,624 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:15,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-03-26 13:40:15,625 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]=== [2021-03-26 13:40:15,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:15,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1112061114, now seen corresponding path program 122 times [2021-03-26 13:40:15,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:15,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687094055] [2021-03-26 13:40:15,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:15,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:15,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:15,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:15,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:15,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:15,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:15,645 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:15,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:15,656 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:40:15,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:40:15,671 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:15,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:15,690 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:15,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:15,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:15,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687094055] [2021-03-26 13:40:15,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:15,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:15,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047123646] [2021-03-26 13:40:15,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:15,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:15,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:15,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:15,710 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:15,710 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) [2021-03-26 13:40:15,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:15,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:15,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:16,495 INFO L129 PetriNetUnfolder]: 191/2310 cut-off events. [2021-03-26 13:40:16,495 INFO L130 PetriNetUnfolder]: For 106059/106699 co-relation queries the response was YES. [2021-03-26 13:40:16,524 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. [2021-03-26 13:40:16,529 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 256 selfloop transitions, 142 changer transitions 0/412 dead transitions. [2021-03-26 13:40:16,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 412 transitions, 18771 flow [2021-03-26 13:40:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:16,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:16,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:16,530 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:16,530 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:16,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:16,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:16,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:16,531 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) [2021-03-26 13:40:16,531 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) [2021-03-26 13:40:16,531 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) [2021-03-26 13:40:16,531 INFO L185 Difference]: Start difference. First operand has 514 places, 408 transitions, 17903 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:16,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 412 transitions, 18771 flow [2021-03-26 13:40:17,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 412 transitions, 18533 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:40:17,350 INFO L241 Difference]: Finished difference. Result has 517 places, 408 transitions, 17960 flow [2021-03-26 13:40:17,350 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} [2021-03-26 13:40:17,350 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 479 predicate places. [2021-03-26 13:40:17,350 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:17,350 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 517 places, 408 transitions, 17960 flow [2021-03-26 13:40:17,351 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 517 places, 408 transitions, 17960 flow [2021-03-26 13:40:17,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 517 places, 408 transitions, 17960 flow [2021-03-26 13:40:17,763 INFO L129 PetriNetUnfolder]: 138/2216 cut-off events. [2021-03-26 13:40:17,764 INFO L130 PetriNetUnfolder]: For 101490/101662 co-relation queries the response was YES. [2021-03-26 13:40:17,794 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. [2021-03-26 13:40:17,823 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-26 13:40:17,853 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:17,853 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:17,854 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 504 [2021-03-26 13:40:17,854 INFO L480 AbstractCegarLoop]: Abstraction has has 517 places, 408 transitions, 17960 flow [2021-03-26 13:40:17,854 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) [2021-03-26 13:40:17,854 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:17,854 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:17,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-03-26 13:40:17,854 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]=== [2021-03-26 13:40:17,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:17,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1034109646, now seen corresponding path program 123 times [2021-03-26 13:40:17,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:17,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141314750] [2021-03-26 13:40:17,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:17,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:17,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:17,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:17,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:17,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:17,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:17,873 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:17,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:17,884 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:40:17,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:40:17,901 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:17,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:17,921 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:17,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:17,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:17,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141314750] [2021-03-26 13:40:17,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:17,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:17,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721019674] [2021-03-26 13:40:17,940 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:17,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:17,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:17,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:17,941 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:17,941 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) [2021-03-26 13:40:17,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:17,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:17,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:18,682 INFO L129 PetriNetUnfolder]: 191/2309 cut-off events. [2021-03-26 13:40:18,683 INFO L130 PetriNetUnfolder]: For 105819/106426 co-relation queries the response was YES. [2021-03-26 13:40:18,709 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. [2021-03-26 13:40:18,714 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 258 selfloop transitions, 140 changer transitions 0/412 dead transitions. [2021-03-26 13:40:18,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 412 transitions, 18828 flow [2021-03-26 13:40:18,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:18,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:18,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:18,715 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:18,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:18,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:18,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:18,715 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) [2021-03-26 13:40:18,716 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) [2021-03-26 13:40:18,716 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) [2021-03-26 13:40:18,716 INFO L185 Difference]: Start difference. First operand has 517 places, 408 transitions, 17960 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:18,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 412 transitions, 18828 flow [2021-03-26 13:40:19,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 412 transitions, 18562 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-26 13:40:19,423 INFO L241 Difference]: Finished difference. Result has 521 places, 408 transitions, 17977 flow [2021-03-26 13:40:19,423 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} [2021-03-26 13:40:19,423 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 483 predicate places. [2021-03-26 13:40:19,423 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:19,423 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 521 places, 408 transitions, 17977 flow [2021-03-26 13:40:19,424 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 521 places, 408 transitions, 17977 flow [2021-03-26 13:40:19,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 521 places, 408 transitions, 17977 flow [2021-03-26 13:40:19,798 INFO L129 PetriNetUnfolder]: 138/2215 cut-off events. [2021-03-26 13:40:19,798 INFO L130 PetriNetUnfolder]: For 103106/103278 co-relation queries the response was YES. [2021-03-26 13:40:19,828 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. [2021-03-26 13:40:19,853 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-26 13:40:19,881 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:19,881 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:19,881 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 458 [2021-03-26 13:40:19,882 INFO L480 AbstractCegarLoop]: Abstraction has has 521 places, 408 transitions, 17977 flow [2021-03-26 13:40:19,882 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) [2021-03-26 13:40:19,882 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:19,882 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:19,882 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-03-26 13:40:19,882 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]=== [2021-03-26 13:40:19,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:19,882 INFO L82 PathProgramCache]: Analyzing trace with hash -785912190, now seen corresponding path program 124 times [2021-03-26 13:40:19,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:19,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937514150] [2021-03-26 13:40:19,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:19,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:19,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:19,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:19,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:19,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:19,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:19,902 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:19,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:19,913 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:40:19,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:40:19,927 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:19,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:19,947 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:19,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:19,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:19,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937514150] [2021-03-26 13:40:19,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:19,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:19,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515442479] [2021-03-26 13:40:19,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:19,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:19,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:19,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:19,967 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:19,967 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) [2021-03-26 13:40:19,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:19,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:19,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:20,645 INFO L129 PetriNetUnfolder]: 191/2308 cut-off events. [2021-03-26 13:40:20,645 INFO L130 PetriNetUnfolder]: For 107845/108463 co-relation queries the response was YES. [2021-03-26 13:40:20,680 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. [2021-03-26 13:40:20,687 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 259 selfloop transitions, 139 changer transitions 0/412 dead transitions. [2021-03-26 13:40:20,688 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 412 transitions, 18853 flow [2021-03-26 13:40:20,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:20,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:20,691 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:20,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:20,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:20,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:20,692 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) [2021-03-26 13:40:20,692 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) [2021-03-26 13:40:20,692 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) [2021-03-26 13:40:20,692 INFO L185 Difference]: Start difference. First operand has 521 places, 408 transitions, 17977 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:20,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 412 transitions, 18853 flow [2021-03-26 13:40:21,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 412 transitions, 18643 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 13:40:21,458 INFO L241 Difference]: Finished difference. Result has 526 places, 408 transitions, 18048 flow [2021-03-26 13:40:21,459 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} [2021-03-26 13:40:21,459 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 488 predicate places. [2021-03-26 13:40:21,459 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:21,459 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 526 places, 408 transitions, 18048 flow [2021-03-26 13:40:21,459 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 526 places, 408 transitions, 18048 flow [2021-03-26 13:40:21,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 526 places, 408 transitions, 18048 flow [2021-03-26 13:40:21,841 INFO L129 PetriNetUnfolder]: 138/2214 cut-off events. [2021-03-26 13:40:21,841 INFO L130 PetriNetUnfolder]: For 105268/105440 co-relation queries the response was YES. [2021-03-26 13:40:21,869 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. [2021-03-26 13:40:21,894 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-26 13:40:21,924 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:21,924 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:21,924 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 465 [2021-03-26 13:40:21,924 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 408 transitions, 18048 flow [2021-03-26 13:40:21,925 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) [2021-03-26 13:40:21,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:21,925 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:21,925 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-03-26 13:40:21,925 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]=== [2021-03-26 13:40:21,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:21,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1080695844, now seen corresponding path program 125 times [2021-03-26 13:40:21,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:21,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752734623] [2021-03-26 13:40:21,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:21,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:21,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:21,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:21,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:21,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:21,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:21,946 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:21,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:21,959 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:40:21,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:40:21,974 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:21,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:21,994 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:21,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:22,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:22,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752734623] [2021-03-26 13:40:22,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:22,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:22,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690085508] [2021-03-26 13:40:22,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:22,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:22,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:22,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:22,014 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:22,014 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) [2021-03-26 13:40:22,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:22,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:22,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:22,722 INFO L129 PetriNetUnfolder]: 191/2307 cut-off events. [2021-03-26 13:40:22,722 INFO L130 PetriNetUnfolder]: For 110210/110852 co-relation queries the response was YES. [2021-03-26 13:40:22,746 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. [2021-03-26 13:40:22,751 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 138 changer transitions 0/412 dead transitions. [2021-03-26 13:40:22,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 412 transitions, 18932 flow [2021-03-26 13:40:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:22,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:22,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:22,752 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:22,752 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:22,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:22,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:22,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:22,752 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) [2021-03-26 13:40:22,753 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) [2021-03-26 13:40:22,753 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) [2021-03-26 13:40:22,753 INFO L185 Difference]: Start difference. First operand has 526 places, 408 transitions, 18048 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:22,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 412 transitions, 18932 flow [2021-03-26 13:40:23,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 412 transitions, 18672 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-26 13:40:23,403 INFO L241 Difference]: Finished difference. Result has 530 places, 408 transitions, 18067 flow [2021-03-26 13:40:23,403 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} [2021-03-26 13:40:23,403 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 492 predicate places. [2021-03-26 13:40:23,404 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:23,404 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 530 places, 408 transitions, 18067 flow [2021-03-26 13:40:23,404 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 530 places, 408 transitions, 18067 flow [2021-03-26 13:40:23,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 530 places, 408 transitions, 18067 flow [2021-03-26 13:40:23,771 INFO L129 PetriNetUnfolder]: 138/2213 cut-off events. [2021-03-26 13:40:23,771 INFO L130 PetriNetUnfolder]: For 107180/107370 co-relation queries the response was YES. [2021-03-26 13:40:23,795 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. [2021-03-26 13:40:23,818 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-26 13:40:23,845 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:23,845 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:23,845 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 441 [2021-03-26 13:40:23,845 INFO L480 AbstractCegarLoop]: Abstraction has has 530 places, 408 transitions, 18067 flow [2021-03-26 13:40:23,845 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) [2021-03-26 13:40:23,845 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:23,845 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:23,845 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-03-26 13:40:23,845 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]=== [2021-03-26 13:40:23,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:23,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1898114148, now seen corresponding path program 126 times [2021-03-26 13:40:23,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:23,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729366494] [2021-03-26 13:40:23,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:23,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:23,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:23,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:23,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:23,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:23,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:23,862 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:23,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:23,872 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:40:23,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:40:23,887 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:23,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:23,907 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:23,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:23,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:23,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729366494] [2021-03-26 13:40:23,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:23,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:23,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275106315] [2021-03-26 13:40:23,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:23,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:23,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:23,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:23,929 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:23,929 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) [2021-03-26 13:40:23,929 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:23,929 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:23,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:24,619 INFO L129 PetriNetUnfolder]: 191/2306 cut-off events. [2021-03-26 13:40:24,619 INFO L130 PetriNetUnfolder]: For 112439/113046 co-relation queries the response was YES. [2021-03-26 13:40:24,648 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. [2021-03-26 13:40:24,653 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 255 selfloop transitions, 129 changer transitions 14/412 dead transitions. [2021-03-26 13:40:24,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 412 transitions, 18959 flow [2021-03-26 13:40:24,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:24,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:24,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:24,654 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:24,654 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:24,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:24,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:24,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:24,655 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) [2021-03-26 13:40:24,655 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) [2021-03-26 13:40:24,655 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) [2021-03-26 13:40:24,655 INFO L185 Difference]: Start difference. First operand has 530 places, 408 transitions, 18067 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:24,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 412 transitions, 18959 flow [2021-03-26 13:40:25,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 412 transitions, 18753 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-26 13:40:25,353 INFO L241 Difference]: Finished difference. Result has 535 places, 394 transitions, 17230 flow [2021-03-26 13:40:25,354 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} [2021-03-26 13:40:25,354 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 497 predicate places. [2021-03-26 13:40:25,354 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:25,354 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 535 places, 394 transitions, 17230 flow [2021-03-26 13:40:25,354 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 535 places, 394 transitions, 17230 flow [2021-03-26 13:40:25,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 529 places, 394 transitions, 17230 flow [2021-03-26 13:40:25,759 INFO L129 PetriNetUnfolder]: 137/2124 cut-off events. [2021-03-26 13:40:25,759 INFO L130 PetriNetUnfolder]: For 98943/99076 co-relation queries the response was YES. [2021-03-26 13:40:25,780 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. [2021-03-26 13:40:25,801 INFO L142 LiptonReduction]: Number of co-enabled transitions 2736 [2021-03-26 13:40:25,826 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:25,827 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:25,827 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 473 [2021-03-26 13:40:25,827 INFO L480 AbstractCegarLoop]: Abstraction has has 529 places, 394 transitions, 17230 flow [2021-03-26 13:40:25,827 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) [2021-03-26 13:40:25,827 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:25,827 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:25,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-03-26 13:40:25,827 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]=== [2021-03-26 13:40:25,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:25,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1316046012, now seen corresponding path program 127 times [2021-03-26 13:40:25,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:25,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710057091] [2021-03-26 13:40:25,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:25,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:25,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:25,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:25,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:25,838 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:40:25,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:40:25,846 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:40:25,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:40:25,858 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:40:25,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:40:25,873 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:25,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:25,903 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:25,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:25,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:25,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710057091] [2021-03-26 13:40:25,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:25,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:25,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138549995] [2021-03-26 13:40:25,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:25,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:25,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:25,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:25,923 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:25,923 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) [2021-03-26 13:40:25,923 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:25,923 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:25,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:26,577 INFO L129 PetriNetUnfolder]: 190/2228 cut-off events. [2021-03-26 13:40:26,577 INFO L130 PetriNetUnfolder]: For 103308/103562 co-relation queries the response was YES. [2021-03-26 13:40:26,601 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. [2021-03-26 13:40:26,606 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 243 selfloop transitions, 170 changer transitions 0/427 dead transitions. [2021-03-26 13:40:26,606 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 427 transitions, 19363 flow [2021-03-26 13:40:26,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:26,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:26,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:26,607 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:26,607 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:26,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:26,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:26,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:26,607 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) [2021-03-26 13:40:26,608 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) [2021-03-26 13:40:26,608 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) [2021-03-26 13:40:26,608 INFO L185 Difference]: Start difference. First operand has 529 places, 394 transitions, 17230 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:26,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 427 transitions, 19363 flow [2021-03-26 13:40:27,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 427 transitions, 18888 flow, removed 30 selfloop flow, removed 11 redundant places. [2021-03-26 13:40:27,216 INFO L241 Difference]: Finished difference. Result has 529 places, 408 transitions, 17891 flow [2021-03-26 13:40:27,216 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} [2021-03-26 13:40:27,216 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 491 predicate places. [2021-03-26 13:40:27,216 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:27,216 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 529 places, 408 transitions, 17891 flow [2021-03-26 13:40:27,216 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 529 places, 408 transitions, 17891 flow [2021-03-26 13:40:27,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 529 places, 408 transitions, 17891 flow [2021-03-26 13:40:27,558 INFO L129 PetriNetUnfolder]: 137/2123 cut-off events. [2021-03-26 13:40:27,558 INFO L130 PetriNetUnfolder]: For 89046/89173 co-relation queries the response was YES. [2021-03-26 13:40:27,581 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. [2021-03-26 13:40:27,605 INFO L142 LiptonReduction]: Number of co-enabled transitions 2774 [2021-03-26 13:40:27,633 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:27,634 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:27,634 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 418 [2021-03-26 13:40:27,634 INFO L480 AbstractCegarLoop]: Abstraction has has 529 places, 408 transitions, 17891 flow [2021-03-26 13:40:27,634 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) [2021-03-26 13:40:27,634 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:27,634 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:27,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-03-26 13:40:27,634 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]=== [2021-03-26 13:40:27,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:27,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1564582166, now seen corresponding path program 128 times [2021-03-26 13:40:27,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:27,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172087982] [2021-03-26 13:40:27,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:27,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:27,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:27,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:27,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:27,647 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:40:27,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:40:27,655 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:40:27,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:40:27,666 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:40:27,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:40:27,682 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:40:27,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:40:27,702 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:27,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:27,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:27,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172087982] [2021-03-26 13:40:27,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:27,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:27,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739972763] [2021-03-26 13:40:27,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:27,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:27,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:27,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:27,722 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:27,723 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) [2021-03-26 13:40:27,723 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:27,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:27,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:28,352 INFO L129 PetriNetUnfolder]: 190/2227 cut-off events. [2021-03-26 13:40:28,352 INFO L130 PetriNetUnfolder]: For 92409/92640 co-relation queries the response was YES. [2021-03-26 13:40:28,377 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. [2021-03-26 13:40:28,382 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 242 selfloop transitions, 171 changer transitions 0/427 dead transitions. [2021-03-26 13:40:28,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 427 transitions, 19351 flow [2021-03-26 13:40:28,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:28,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:28,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:28,383 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:28,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:28,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:28,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:28,384 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) [2021-03-26 13:40:28,384 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) [2021-03-26 13:40:28,384 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) [2021-03-26 13:40:28,384 INFO L185 Difference]: Start difference. First operand has 529 places, 408 transitions, 17891 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:28,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 427 transitions, 19351 flow [2021-03-26 13:40:29,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 427 transitions, 18942 flow, removed 75 selfloop flow, removed 3 redundant places. [2021-03-26 13:40:29,077 INFO L241 Difference]: Finished difference. Result has 534 places, 408 transitions, 17827 flow [2021-03-26 13:40:29,077 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} [2021-03-26 13:40:29,077 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 496 predicate places. [2021-03-26 13:40:29,077 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:29,077 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 534 places, 408 transitions, 17827 flow [2021-03-26 13:40:29,077 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 534 places, 408 transitions, 17827 flow [2021-03-26 13:40:29,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 534 places, 408 transitions, 17827 flow [2021-03-26 13:40:29,437 INFO L129 PetriNetUnfolder]: 137/2122 cut-off events. [2021-03-26 13:40:29,437 INFO L130 PetriNetUnfolder]: For 87811/87935 co-relation queries the response was YES. [2021-03-26 13:40:29,465 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. [2021-03-26 13:40:29,489 INFO L142 LiptonReduction]: Number of co-enabled transitions 2774 [2021-03-26 13:40:29,519 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:29,519 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:29,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 442 [2021-03-26 13:40:29,520 INFO L480 AbstractCegarLoop]: Abstraction has has 534 places, 408 transitions, 17827 flow [2021-03-26 13:40:29,520 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) [2021-03-26 13:40:29,520 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:29,520 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:29,520 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-03-26 13:40:29,520 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]=== [2021-03-26 13:40:29,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:29,520 INFO L82 PathProgramCache]: Analyzing trace with hash 102568800, now seen corresponding path program 129 times [2021-03-26 13:40:29,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:29,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643076984] [2021-03-26 13:40:29,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:29,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:29,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:29,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:29,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:29,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:29,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:29,544 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:40:29,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:40:29,568 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:40:29,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:40:29,584 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:40:29,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:40:29,604 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:29,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:29,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643076984] [2021-03-26 13:40:29,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:29,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:29,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198131065] [2021-03-26 13:40:29,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:29,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:29,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:29,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:29,624 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:29,624 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) [2021-03-26 13:40:29,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:29,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:29,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:30,358 INFO L129 PetriNetUnfolder]: 221/2581 cut-off events. [2021-03-26 13:40:30,358 INFO L130 PetriNetUnfolder]: For 102195/102426 co-relation queries the response was YES. [2021-03-26 13:40:30,384 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. [2021-03-26 13:40:30,389 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 184 changer transitions 2/500 dead transitions. [2021-03-26 13:40:30,389 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 500 transitions, 22155 flow [2021-03-26 13:40:30,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:30,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:30,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:30,390 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:30,390 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:30,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:30,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:30,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:30,390 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) [2021-03-26 13:40:30,391 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) [2021-03-26 13:40:30,391 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) [2021-03-26 13:40:30,391 INFO L185 Difference]: Start difference. First operand has 534 places, 408 transitions, 17827 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:30,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 500 transitions, 22155 flow [2021-03-26 13:40:31,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 500 transitions, 21836 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 13:40:31,020 INFO L241 Difference]: Finished difference. Result has 544 places, 438 transitions, 19511 flow [2021-03-26 13:40:31,020 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} [2021-03-26 13:40:31,020 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 506 predicate places. [2021-03-26 13:40:31,020 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:31,020 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 544 places, 438 transitions, 19511 flow [2021-03-26 13:40:31,021 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 544 places, 438 transitions, 19511 flow [2021-03-26 13:40:31,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 543 places, 438 transitions, 19511 flow [2021-03-26 13:40:31,419 INFO L129 PetriNetUnfolder]: 168/2474 cut-off events. [2021-03-26 13:40:31,419 INFO L130 PetriNetUnfolder]: For 106985/107138 co-relation queries the response was YES. [2021-03-26 13:40:31,448 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. [2021-03-26 13:40:31,473 INFO L142 LiptonReduction]: Number of co-enabled transitions 3026 [2021-03-26 13:40:31,502 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:31,502 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:31,503 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 483 [2021-03-26 13:40:31,503 INFO L480 AbstractCegarLoop]: Abstraction has has 543 places, 438 transitions, 19511 flow [2021-03-26 13:40:31,503 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) [2021-03-26 13:40:31,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:31,503 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:31,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-03-26 13:40:31,503 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]=== [2021-03-26 13:40:31,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:31,503 INFO L82 PathProgramCache]: Analyzing trace with hash 75720428, now seen corresponding path program 130 times [2021-03-26 13:40:31,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:31,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78328232] [2021-03-26 13:40:31,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:31,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:31,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:31,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:31,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:31,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:31,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:31,537 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:40:31,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:40:31,555 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:31,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:31,579 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:40:31,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:40:31,602 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:31,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:31,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78328232] [2021-03-26 13:40:31,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:31,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:31,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898371525] [2021-03-26 13:40:31,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:31,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:31,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:31,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:31,624 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:31,624 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) [2021-03-26 13:40:31,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:31,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:31,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:32,553 INFO L129 PetriNetUnfolder]: 241/2939 cut-off events. [2021-03-26 13:40:32,554 INFO L130 PetriNetUnfolder]: For 124453/124699 co-relation queries the response was YES. [2021-03-26 13:40:32,585 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. [2021-03-26 13:40:32,592 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 314 selfloop transitions, 213 changer transitions 2/543 dead transitions. [2021-03-26 13:40:32,592 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 543 transitions, 24518 flow [2021-03-26 13:40:32,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:32,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:32,595 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:32,595 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:32,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:32,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:32,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:32,596 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) [2021-03-26 13:40:32,596 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) [2021-03-26 13:40:32,596 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) [2021-03-26 13:40:32,596 INFO L185 Difference]: Start difference. First operand has 543 places, 438 transitions, 19511 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:32,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 543 transitions, 24518 flow [2021-03-26 13:40:33,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 543 transitions, 24234 flow, removed 87 selfloop flow, removed 3 redundant places. [2021-03-26 13:40:33,363 INFO L241 Difference]: Finished difference. Result has 553 places, 462 transitions, 20981 flow [2021-03-26 13:40:33,364 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} [2021-03-26 13:40:33,364 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 515 predicate places. [2021-03-26 13:40:33,364 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:33,364 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 553 places, 462 transitions, 20981 flow [2021-03-26 13:40:33,364 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 553 places, 462 transitions, 20981 flow [2021-03-26 13:40:33,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 552 places, 462 transitions, 20981 flow [2021-03-26 13:40:33,825 INFO L129 PetriNetUnfolder]: 195/2832 cut-off events. [2021-03-26 13:40:33,825 INFO L130 PetriNetUnfolder]: For 125196/125477 co-relation queries the response was YES. [2021-03-26 13:40:33,855 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. [2021-03-26 13:40:33,883 INFO L142 LiptonReduction]: Number of co-enabled transitions 3248 [2021-03-26 13:40:33,915 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:33,916 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:33,916 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 552 [2021-03-26 13:40:33,916 INFO L480 AbstractCegarLoop]: Abstraction has has 552 places, 462 transitions, 20981 flow [2021-03-26 13:40:33,916 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) [2021-03-26 13:40:33,916 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:33,916 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:33,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-03-26 13:40:33,916 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]=== [2021-03-26 13:40:33,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:33,916 INFO L82 PathProgramCache]: Analyzing trace with hash -827442216, now seen corresponding path program 131 times [2021-03-26 13:40:33,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:33,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403129375] [2021-03-26 13:40:33,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:33,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:33,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:33,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:33,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:33,930 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:40:33,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:40:33,938 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:40:33,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:40:33,950 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:40:33,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:40:33,967 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:33,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:33,990 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:33,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:34,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:34,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403129375] [2021-03-26 13:40:34,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:34,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:34,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251903228] [2021-03-26 13:40:34,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:34,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:34,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:34,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:34,013 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:34,013 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) [2021-03-26 13:40:34,013 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:34,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:34,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:34,906 INFO L129 PetriNetUnfolder]: 240/2934 cut-off events. [2021-03-26 13:40:34,906 INFO L130 PetriNetUnfolder]: For 130891/131145 co-relation queries the response was YES. [2021-03-26 13:40:34,937 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. [2021-03-26 13:40:34,943 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 279 selfloop transitions, 195 changer transitions 0/488 dead transitions. [2021-03-26 13:40:34,943 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 488 transitions, 22838 flow [2021-03-26 13:40:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:34,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:34,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:34,944 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:34,944 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:34,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:34,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:34,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:34,945 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) [2021-03-26 13:40:34,945 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) [2021-03-26 13:40:34,945 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) [2021-03-26 13:40:34,945 INFO L185 Difference]: Start difference. First operand has 552 places, 462 transitions, 20981 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:34,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 488 transitions, 22838 flow [2021-03-26 13:40:35,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 488 transitions, 22682 flow, removed 41 selfloop flow, removed 3 redundant places. [2021-03-26 13:40:35,816 INFO L241 Difference]: Finished difference. Result has 558 places, 463 transitions, 21315 flow [2021-03-26 13:40:35,816 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} [2021-03-26 13:40:35,816 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 520 predicate places. [2021-03-26 13:40:35,816 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:35,816 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 558 places, 463 transitions, 21315 flow [2021-03-26 13:40:35,816 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 558 places, 463 transitions, 21315 flow [2021-03-26 13:40:35,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 558 places, 463 transitions, 21315 flow [2021-03-26 13:40:36,300 INFO L129 PetriNetUnfolder]: 195/2831 cut-off events. [2021-03-26 13:40:36,300 INFO L130 PetriNetUnfolder]: For 126090/126391 co-relation queries the response was YES. [2021-03-26 13:40:36,332 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. [2021-03-26 13:40:36,362 INFO L142 LiptonReduction]: Number of co-enabled transitions 3250 [2021-03-26 13:40:36,396 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:36,396 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:36,396 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 580 [2021-03-26 13:40:36,396 INFO L480 AbstractCegarLoop]: Abstraction has has 558 places, 463 transitions, 21315 flow [2021-03-26 13:40:36,396 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) [2021-03-26 13:40:36,396 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:36,396 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:36,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-03-26 13:40:36,396 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]=== [2021-03-26 13:40:36,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:36,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1282858920, now seen corresponding path program 132 times [2021-03-26 13:40:36,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:36,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980597843] [2021-03-26 13:40:36,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:36,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:36,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:36,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:36,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:36,407 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:40:36,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:40:36,415 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:40:36,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:40:36,426 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:40:36,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:40:36,441 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:40:36,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:40:36,463 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:36,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:36,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:36,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980597843] [2021-03-26 13:40:36,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:36,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:36,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230125836] [2021-03-26 13:40:36,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:36,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:36,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:36,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:36,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:36,483 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) [2021-03-26 13:40:36,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:36,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:36,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:37,421 INFO L129 PetriNetUnfolder]: 240/2933 cut-off events. [2021-03-26 13:40:37,422 INFO L130 PetriNetUnfolder]: For 131469/131823 co-relation queries the response was YES. [2021-03-26 13:40:37,471 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. [2021-03-26 13:40:37,478 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 194 changer transitions 0/488 dead transitions. [2021-03-26 13:40:37,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 488 transitions, 23108 flow [2021-03-26 13:40:37,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:37,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:37,479 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:37,479 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:37,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:37,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:37,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:37,480 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) [2021-03-26 13:40:37,480 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) [2021-03-26 13:40:37,480 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) [2021-03-26 13:40:37,480 INFO L185 Difference]: Start difference. First operand has 558 places, 463 transitions, 21315 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:37,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 488 transitions, 23108 flow [2021-03-26 13:40:38,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 488 transitions, 22721 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-03-26 13:40:38,474 INFO L241 Difference]: Finished difference. Result has 561 places, 463 transitions, 21319 flow [2021-03-26 13:40:38,474 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} [2021-03-26 13:40:38,475 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 523 predicate places. [2021-03-26 13:40:38,475 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:38,475 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 561 places, 463 transitions, 21319 flow [2021-03-26 13:40:38,475 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 561 places, 463 transitions, 21319 flow [2021-03-26 13:40:38,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 561 places, 463 transitions, 21319 flow [2021-03-26 13:40:39,038 INFO L129 PetriNetUnfolder]: 195/2830 cut-off events. [2021-03-26 13:40:39,039 INFO L130 PetriNetUnfolder]: For 128552/128854 co-relation queries the response was YES. [2021-03-26 13:40:39,072 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. [2021-03-26 13:40:39,102 INFO L142 LiptonReduction]: Number of co-enabled transitions 3250 [2021-03-26 13:40:39,134 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:39,134 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:39,134 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 659 [2021-03-26 13:40:39,134 INFO L480 AbstractCegarLoop]: Abstraction has has 561 places, 463 transitions, 21319 flow [2021-03-26 13:40:39,135 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) [2021-03-26 13:40:39,135 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:39,135 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:39,135 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-03-26 13:40:39,135 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]=== [2021-03-26 13:40:39,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:39,135 INFO L82 PathProgramCache]: Analyzing trace with hash -766335344, now seen corresponding path program 133 times [2021-03-26 13:40:39,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:39,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36289544] [2021-03-26 13:40:39,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:39,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:39,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:39,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:39,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:39,146 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:40:39,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:40:39,153 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:40:39,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:40:39,164 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:40:39,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:40:39,178 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:39,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:39,198 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:39,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:39,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:39,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36289544] [2021-03-26 13:40:39,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:39,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:39,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721143142] [2021-03-26 13:40:39,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:39,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:39,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:39,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:39,217 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:39,217 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) [2021-03-26 13:40:39,217 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:39,217 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:39,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:40,153 INFO L129 PetriNetUnfolder]: 240/2932 cut-off events. [2021-03-26 13:40:40,153 INFO L130 PetriNetUnfolder]: For 134094/134438 co-relation queries the response was YES. [2021-03-26 13:40:40,191 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. [2021-03-26 13:40:40,198 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 190 changer transitions 0/488 dead transitions. [2021-03-26 13:40:40,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 488 transitions, 23120 flow [2021-03-26 13:40:40,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:40,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:40,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:40,199 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:40,199 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:40,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:40,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:40,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:40,200 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) [2021-03-26 13:40:40,201 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) [2021-03-26 13:40:40,201 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) [2021-03-26 13:40:40,201 INFO L185 Difference]: Start difference. First operand has 561 places, 463 transitions, 21319 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:40,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 488 transitions, 23120 flow [2021-03-26 13:40:41,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 488 transitions, 22752 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 13:40:41,082 INFO L241 Difference]: Finished difference. Result has 565 places, 466 transitions, 21542 flow [2021-03-26 13:40:41,083 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} [2021-03-26 13:40:41,083 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 527 predicate places. [2021-03-26 13:40:41,083 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:41,083 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 565 places, 466 transitions, 21542 flow [2021-03-26 13:40:41,083 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 565 places, 466 transitions, 21542 flow [2021-03-26 13:40:41,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 565 places, 466 transitions, 21542 flow [2021-03-26 13:40:41,578 INFO L129 PetriNetUnfolder]: 195/2829 cut-off events. [2021-03-26 13:40:41,579 INFO L130 PetriNetUnfolder]: For 132414/132708 co-relation queries the response was YES. [2021-03-26 13:40:41,614 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. [2021-03-26 13:40:41,644 INFO L142 LiptonReduction]: Number of co-enabled transitions 3256 [2021-03-26 13:40:41,678 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:41,679 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:41,679 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 596 [2021-03-26 13:40:41,679 INFO L480 AbstractCegarLoop]: Abstraction has has 565 places, 466 transitions, 21542 flow [2021-03-26 13:40:41,679 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) [2021-03-26 13:40:41,679 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:41,679 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:41,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-03-26 13:40:41,679 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]=== [2021-03-26 13:40:41,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:41,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1503569646, now seen corresponding path program 134 times [2021-03-26 13:40:41,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:41,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038781838] [2021-03-26 13:40:41,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:41,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:41,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:41,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:41,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:41,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:41,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:41,700 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:40:41,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:40:41,720 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:41,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:41,745 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:40:41,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:40:41,769 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:41,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:41,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038781838] [2021-03-26 13:40:41,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:41,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:41,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820376515] [2021-03-26 13:40:41,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:41,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:41,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:41,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:41,791 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:41,791 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) [2021-03-26 13:40:41,791 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:41,791 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:41,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:42,686 INFO L129 PetriNetUnfolder]: 245/2994 cut-off events. [2021-03-26 13:40:42,686 INFO L130 PetriNetUnfolder]: For 141348/141761 co-relation queries the response was YES. [2021-03-26 13:40:42,726 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. [2021-03-26 13:40:42,732 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 322 selfloop transitions, 224 changer transitions 2/562 dead transitions. [2021-03-26 13:40:42,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 562 transitions, 26254 flow [2021-03-26 13:40:42,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:42,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:42,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:42,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:42,734 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:42,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:42,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:42,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:42,734 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) [2021-03-26 13:40:42,734 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) [2021-03-26 13:40:42,734 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) [2021-03-26 13:40:42,734 INFO L185 Difference]: Start difference. First operand has 565 places, 466 transitions, 21542 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:42,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 562 transitions, 26254 flow [2021-03-26 13:40:43,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 562 transitions, 25835 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-03-26 13:40:43,694 INFO L241 Difference]: Finished difference. Result has 574 places, 504 transitions, 23400 flow [2021-03-26 13:40:43,694 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} [2021-03-26 13:40:43,694 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 536 predicate places. [2021-03-26 13:40:43,695 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:43,695 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 574 places, 504 transitions, 23400 flow [2021-03-26 13:40:43,695 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 574 places, 504 transitions, 23400 flow [2021-03-26 13:40:43,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 573 places, 504 transitions, 23400 flow [2021-03-26 13:40:44,224 INFO L129 PetriNetUnfolder]: 200/2893 cut-off events. [2021-03-26 13:40:44,224 INFO L130 PetriNetUnfolder]: For 144681/144948 co-relation queries the response was YES. [2021-03-26 13:40:44,258 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. [2021-03-26 13:40:44,290 INFO L142 LiptonReduction]: Number of co-enabled transitions 3446 [2021-03-26 13:40:44,328 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:44,328 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:44,328 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 633 [2021-03-26 13:40:44,329 INFO L480 AbstractCegarLoop]: Abstraction has has 573 places, 504 transitions, 23400 flow [2021-03-26 13:40:44,329 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) [2021-03-26 13:40:44,329 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:44,329 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:44,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-03-26 13:40:44,329 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]=== [2021-03-26 13:40:44,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:44,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1479225812, now seen corresponding path program 135 times [2021-03-26 13:40:44,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:44,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773783309] [2021-03-26 13:40:44,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:44,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:44,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:44,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:44,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:44,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:44,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:44,349 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:40:44,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:40:44,366 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:44,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:44,387 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:40:44,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:40:44,407 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:44,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:44,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:44,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773783309] [2021-03-26 13:40:44,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:44,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:44,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397319716] [2021-03-26 13:40:44,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:44,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:44,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:44,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:44,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:44,427 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) [2021-03-26 13:40:44,427 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:44,427 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:44,427 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:45,502 INFO L129 PetriNetUnfolder]: 248/3035 cut-off events. [2021-03-26 13:40:45,503 INFO L130 PetriNetUnfolder]: For 154245/154591 co-relation queries the response was YES. [2021-03-26 13:40:45,539 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. [2021-03-26 13:40:45,545 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 321 selfloop transitions, 251 changer transitions 2/588 dead transitions. [2021-03-26 13:40:45,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 588 transitions, 27646 flow [2021-03-26 13:40:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:45,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:45,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:45,546 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:45,546 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:45,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:45,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:45,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:45,547 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) [2021-03-26 13:40:45,547 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) [2021-03-26 13:40:45,547 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) [2021-03-26 13:40:45,547 INFO L185 Difference]: Start difference. First operand has 573 places, 504 transitions, 23400 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:45,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 588 transitions, 27646 flow [2021-03-26 13:40:46,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 577 places, 588 transitions, 27399 flow, removed 71 selfloop flow, removed 3 redundant places. [2021-03-26 13:40:46,539 INFO L241 Difference]: Finished difference. Result has 583 places, 532 transitions, 25284 flow [2021-03-26 13:40:46,539 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} [2021-03-26 13:40:46,539 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 545 predicate places. [2021-03-26 13:40:46,539 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:46,540 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 583 places, 532 transitions, 25284 flow [2021-03-26 13:40:46,540 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 583 places, 532 transitions, 25284 flow [2021-03-26 13:40:46,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 582 places, 532 transitions, 25284 flow [2021-03-26 13:40:47,224 INFO L129 PetriNetUnfolder]: 204/2942 cut-off events. [2021-03-26 13:40:47,225 INFO L130 PetriNetUnfolder]: For 154054/154360 co-relation queries the response was YES. [2021-03-26 13:40:47,261 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. [2021-03-26 13:40:47,295 INFO L142 LiptonReduction]: Number of co-enabled transitions 3686 [2021-03-26 13:40:47,339 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:47,339 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:47,339 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 800 [2021-03-26 13:40:47,339 INFO L480 AbstractCegarLoop]: Abstraction has has 582 places, 532 transitions, 25284 flow [2021-03-26 13:40:47,339 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) [2021-03-26 13:40:47,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:47,340 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:47,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-03-26 13:40:47,340 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]=== [2021-03-26 13:40:47,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:47,340 INFO L82 PathProgramCache]: Analyzing trace with hash -806306608, now seen corresponding path program 136 times [2021-03-26 13:40:47,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:47,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941446292] [2021-03-26 13:40:47,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:47,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:47,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:47,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:47,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:47,373 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:40:47,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:40:47,380 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:40:47,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:40:47,392 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:40:47,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:40:47,418 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:47,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:47,456 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:47,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:47,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:47,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941446292] [2021-03-26 13:40:47,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:47,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:47,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518823523] [2021-03-26 13:40:47,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:47,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:47,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:47,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:47,478 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:47,478 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) [2021-03-26 13:40:47,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:47,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:47,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:48,678 INFO L129 PetriNetUnfolder]: 247/3025 cut-off events. [2021-03-26 13:40:48,678 INFO L130 PetriNetUnfolder]: For 161258/161592 co-relation queries the response was YES. [2021-03-26 13:40:48,710 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. [2021-03-26 13:40:48,716 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 319 selfloop transitions, 217 changer transitions 0/550 dead transitions. [2021-03-26 13:40:48,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 550 transitions, 26935 flow [2021-03-26 13:40:48,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:48,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:48,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:48,717 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:48,717 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:48,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:48,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:48,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:48,718 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) [2021-03-26 13:40:48,718 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) [2021-03-26 13:40:48,718 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) [2021-03-26 13:40:48,718 INFO L185 Difference]: Start difference. First operand has 582 places, 532 transitions, 25284 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:48,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 589 places, 550 transitions, 26935 flow [2021-03-26 13:40:49,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 550 transitions, 26601 flow, removed 71 selfloop flow, removed 4 redundant places. [2021-03-26 13:40:49,777 INFO L241 Difference]: Finished difference. Result has 586 places, 532 transitions, 25395 flow [2021-03-26 13:40:49,778 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} [2021-03-26 13:40:49,778 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 548 predicate places. [2021-03-26 13:40:49,778 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:49,778 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 586 places, 532 transitions, 25395 flow [2021-03-26 13:40:49,778 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 586 places, 532 transitions, 25395 flow [2021-03-26 13:40:49,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 586 places, 532 transitions, 25395 flow [2021-03-26 13:40:50,352 INFO L129 PetriNetUnfolder]: 204/2941 cut-off events. [2021-03-26 13:40:50,352 INFO L130 PetriNetUnfolder]: For 153070/153376 co-relation queries the response was YES. [2021-03-26 13:40:50,387 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. [2021-03-26 13:40:50,421 INFO L142 LiptonReduction]: Number of co-enabled transitions 3686 [2021-03-26 13:40:50,466 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:50,466 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:50,466 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 688 [2021-03-26 13:40:50,467 INFO L480 AbstractCegarLoop]: Abstraction has has 586 places, 532 transitions, 25395 flow [2021-03-26 13:40:50,467 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) [2021-03-26 13:40:50,467 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:50,467 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:50,467 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-03-26 13:40:50,467 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]=== [2021-03-26 13:40:50,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:50,467 INFO L82 PathProgramCache]: Analyzing trace with hash -2079182480, now seen corresponding path program 137 times [2021-03-26 13:40:50,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:50,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078649515] [2021-03-26 13:40:50,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:50,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:50,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:50,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:50,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:50,480 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:40:50,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:40:50,487 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:50,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:50,498 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:40:50,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:40:50,526 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:50,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:50,547 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:50,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:50,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:50,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078649515] [2021-03-26 13:40:50,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:50,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:50,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955049294] [2021-03-26 13:40:50,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:50,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:50,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:50,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:50,566 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:50,566 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) [2021-03-26 13:40:50,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:50,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:50,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:51,613 INFO L129 PetriNetUnfolder]: 247/3038 cut-off events. [2021-03-26 13:40:51,614 INFO L130 PetriNetUnfolder]: For 159797/160011 co-relation queries the response was YES. [2021-03-26 13:40:51,648 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. [2021-03-26 13:40:51,654 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 331 selfloop transitions, 205 changer transitions 0/550 dead transitions. [2021-03-26 13:40:51,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 593 places, 550 transitions, 27046 flow [2021-03-26 13:40:51,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:51,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:51,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:51,655 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:51,655 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:51,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:51,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:51,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:51,656 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) [2021-03-26 13:40:51,656 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) [2021-03-26 13:40:51,656 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) [2021-03-26 13:40:51,656 INFO L185 Difference]: Start difference. First operand has 586 places, 532 transitions, 25395 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:51,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 593 places, 550 transitions, 27046 flow [2021-03-26 13:40:52,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 550 transitions, 26628 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 13:40:52,827 INFO L241 Difference]: Finished difference. Result has 590 places, 533 transitions, 25467 flow [2021-03-26 13:40:52,827 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} [2021-03-26 13:40:52,828 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 552 predicate places. [2021-03-26 13:40:52,828 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:52,828 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 590 places, 533 transitions, 25467 flow [2021-03-26 13:40:52,828 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 590 places, 533 transitions, 25467 flow [2021-03-26 13:40:52,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 590 places, 533 transitions, 25467 flow [2021-03-26 13:40:53,391 INFO L129 PetriNetUnfolder]: 204/2940 cut-off events. [2021-03-26 13:40:53,391 INFO L130 PetriNetUnfolder]: For 157343/157689 co-relation queries the response was YES. [2021-03-26 13:40:53,432 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. [2021-03-26 13:40:53,465 INFO L142 LiptonReduction]: Number of co-enabled transitions 3688 [2021-03-26 13:40:53,510 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:53,510 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:53,510 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 682 [2021-03-26 13:40:53,510 INFO L480 AbstractCegarLoop]: Abstraction has has 590 places, 533 transitions, 25467 flow [2021-03-26 13:40:53,511 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) [2021-03-26 13:40:53,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:53,511 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:53,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-03-26 13:40:53,511 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]=== [2021-03-26 13:40:53,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:53,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1032176724, now seen corresponding path program 138 times [2021-03-26 13:40:53,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:53,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865655645] [2021-03-26 13:40:53,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:53,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:53,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:53,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:53,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:53,528 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:53,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:53,541 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:40:53,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:40:53,560 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:40:53,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:40:53,581 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:40:53,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:40:53,602 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:53,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:53,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:53,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865655645] [2021-03-26 13:40:53,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:53,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:53,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212943704] [2021-03-26 13:40:53,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:53,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:53,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:53,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:53,621 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:53,622 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) [2021-03-26 13:40:53,622 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:53,622 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:53,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:54,784 INFO L129 PetriNetUnfolder]: 266/3307 cut-off events. [2021-03-26 13:40:54,784 INFO L130 PetriNetUnfolder]: For 177102/177354 co-relation queries the response was YES. [2021-03-26 13:40:54,827 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. [2021-03-26 13:40:54,834 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 338 selfloop transitions, 268 changer transitions 2/622 dead transitions. [2021-03-26 13:40:54,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 622 transitions, 30258 flow [2021-03-26 13:40:54,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:54,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:54,835 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:54,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:54,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:54,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:54,835 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) [2021-03-26 13:40:54,836 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) [2021-03-26 13:40:54,836 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) [2021-03-26 13:40:54,836 INFO L185 Difference]: Start difference. First operand has 590 places, 533 transitions, 25467 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:54,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 622 transitions, 30258 flow [2021-03-26 13:40:56,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 593 places, 622 transitions, 29775 flow, removed 49 selfloop flow, removed 4 redundant places. [2021-03-26 13:40:56,132 INFO L241 Difference]: Finished difference. Result has 599 places, 562 transitions, 27264 flow [2021-03-26 13:40:56,133 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} [2021-03-26 13:40:56,133 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 561 predicate places. [2021-03-26 13:40:56,133 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:56,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 599 places, 562 transitions, 27264 flow [2021-03-26 13:40:56,133 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 599 places, 562 transitions, 27264 flow [2021-03-26 13:40:56,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 598 places, 562 transitions, 27264 flow [2021-03-26 13:40:56,785 INFO L129 PetriNetUnfolder]: 223/3205 cut-off events. [2021-03-26 13:40:56,785 INFO L130 PetriNetUnfolder]: For 181491/181895 co-relation queries the response was YES. [2021-03-26 13:40:56,828 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. [2021-03-26 13:40:56,863 INFO L142 LiptonReduction]: Number of co-enabled transitions 3956 [2021-03-26 13:40:56,910 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:56,910 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:56,910 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 777 [2021-03-26 13:40:56,910 INFO L480 AbstractCegarLoop]: Abstraction has has 598 places, 562 transitions, 27264 flow [2021-03-26 13:40:56,910 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) [2021-03-26 13:40:56,910 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:56,910 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:56,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-03-26 13:40:56,911 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]=== [2021-03-26 13:40:56,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:56,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1771496192, now seen corresponding path program 139 times [2021-03-26 13:40:56,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:56,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387349471] [2021-03-26 13:40:56,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:56,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:56,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:56,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:56,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:56,922 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:40:56,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:40:56,929 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:56,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:56,939 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:40:56,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:40:56,964 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:40:56,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:40:56,984 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:40:56,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:57,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:57,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387349471] [2021-03-26 13:40:57,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:57,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:40:57,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404780808] [2021-03-26 13:40:57,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:40:57,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:57,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:40:57,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:40:57,003 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:40:57,004 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) [2021-03-26 13:40:57,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:57,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:40:57,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:58,184 INFO L129 PetriNetUnfolder]: 265/3299 cut-off events. [2021-03-26 13:40:58,185 INFO L130 PetriNetUnfolder]: For 190484/190959 co-relation queries the response was YES. [2021-03-26 13:40:58,232 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. [2021-03-26 13:40:58,240 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 345 selfloop transitions, 220 changer transitions 0/579 dead transitions. [2021-03-26 13:40:58,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 579 transitions, 28952 flow [2021-03-26 13:40:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:40:58,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:40:58,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:40:58,241 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:40:58,241 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:40:58,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:40:58,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:58,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:40:58,241 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) [2021-03-26 13:40:58,241 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) [2021-03-26 13:40:58,241 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) [2021-03-26 13:40:58,241 INFO L185 Difference]: Start difference. First operand has 598 places, 562 transitions, 27264 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:40:58,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 579 transitions, 28952 flow [2021-03-26 13:40:59,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 579 transitions, 28743 flow, removed 51 selfloop flow, removed 3 redundant places. [2021-03-26 13:40:59,635 INFO L241 Difference]: Finished difference. Result has 603 places, 562 transitions, 27508 flow [2021-03-26 13:40:59,635 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} [2021-03-26 13:40:59,636 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 565 predicate places. [2021-03-26 13:40:59,636 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:59,636 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 603 places, 562 transitions, 27508 flow [2021-03-26 13:40:59,636 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 603 places, 562 transitions, 27508 flow [2021-03-26 13:40:59,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 603 places, 562 transitions, 27508 flow [2021-03-26 13:41:00,367 INFO L129 PetriNetUnfolder]: 223/3204 cut-off events. [2021-03-26 13:41:00,368 INFO L130 PetriNetUnfolder]: For 182079/182594 co-relation queries the response was YES. [2021-03-26 13:41:00,405 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. [2021-03-26 13:41:00,439 INFO L142 LiptonReduction]: Number of co-enabled transitions 3956 [2021-03-26 13:41:00,487 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:00,487 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:00,487 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 851 [2021-03-26 13:41:00,487 INFO L480 AbstractCegarLoop]: Abstraction has has 603 places, 562 transitions, 27508 flow [2021-03-26 13:41:00,487 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) [2021-03-26 13:41:00,487 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:00,487 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:00,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-03-26 13:41:00,488 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]=== [2021-03-26 13:41:00,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:00,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1230006316, now seen corresponding path program 140 times [2021-03-26 13:41:00,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:00,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174081571] [2021-03-26 13:41:00,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:00,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:00,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:00,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:00,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:00,501 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:00,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:00,509 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:00,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:00,520 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:41:00,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:41:00,538 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:41:00,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:41:00,560 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:00,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:00,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:00,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174081571] [2021-03-26 13:41:00,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:00,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:00,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389310489] [2021-03-26 13:41:00,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:00,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:00,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:00,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:00,582 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:00,582 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) [2021-03-26 13:41:00,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:00,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:00,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:01,809 INFO L129 PetriNetUnfolder]: 265/3298 cut-off events. [2021-03-26 13:41:01,809 INFO L130 PetriNetUnfolder]: For 190841/191338 co-relation queries the response was YES. [2021-03-26 13:41:01,849 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. [2021-03-26 13:41:01,856 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 352 selfloop transitions, 213 changer transitions 0/579 dead transitions. [2021-03-26 13:41:01,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 579 transitions, 29194 flow [2021-03-26 13:41:01,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:01,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:01,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:01,858 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:01,858 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:01,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:01,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:01,858 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:01,858 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) [2021-03-26 13:41:01,858 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) [2021-03-26 13:41:01,858 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) [2021-03-26 13:41:01,858 INFO L185 Difference]: Start difference. First operand has 603 places, 562 transitions, 27508 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:01,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 579 transitions, 29194 flow [2021-03-26 13:41:03,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 579 transitions, 28673 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-03-26 13:41:03,166 INFO L241 Difference]: Finished difference. Result has 604 places, 562 transitions, 27416 flow [2021-03-26 13:41:03,167 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} [2021-03-26 13:41:03,167 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 566 predicate places. [2021-03-26 13:41:03,167 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:03,167 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 604 places, 562 transitions, 27416 flow [2021-03-26 13:41:03,167 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 604 places, 562 transitions, 27416 flow [2021-03-26 13:41:03,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 604 places, 562 transitions, 27416 flow [2021-03-26 13:41:03,837 INFO L129 PetriNetUnfolder]: 223/3203 cut-off events. [2021-03-26 13:41:03,837 INFO L130 PetriNetUnfolder]: For 186462/186950 co-relation queries the response was YES. [2021-03-26 13:41:03,875 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. [2021-03-26 13:41:03,909 INFO L142 LiptonReduction]: Number of co-enabled transitions 3956 [2021-03-26 13:41:03,953 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:03,953 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:03,953 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 786 [2021-03-26 13:41:03,953 INFO L480 AbstractCegarLoop]: Abstraction has has 604 places, 562 transitions, 27416 flow [2021-03-26 13:41:03,953 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) [2021-03-26 13:41:03,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:03,953 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:03,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-03-26 13:41:03,953 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]=== [2021-03-26 13:41:03,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:03,953 INFO L82 PathProgramCache]: Analyzing trace with hash 271654616, now seen corresponding path program 141 times [2021-03-26 13:41:03,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:03,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401738058] [2021-03-26 13:41:03,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:03,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:03,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:03,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:03,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:03,964 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:03,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:03,971 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:03,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:03,981 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:41:03,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:41:03,995 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:41:03,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:41:04,014 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:04,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:04,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:04,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401738058] [2021-03-26 13:41:04,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:04,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:04,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436731489] [2021-03-26 13:41:04,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:04,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:04,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:04,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:04,033 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:04,033 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) [2021-03-26 13:41:04,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:04,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:04,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:05,183 INFO L129 PetriNetUnfolder]: 265/3297 cut-off events. [2021-03-26 13:41:05,183 INFO L130 PetriNetUnfolder]: For 195461/195958 co-relation queries the response was YES. [2021-03-26 13:41:05,223 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. [2021-03-26 13:41:05,229 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 352 selfloop transitions, 213 changer transitions 0/579 dead transitions. [2021-03-26 13:41:05,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 611 places, 579 transitions, 29110 flow [2021-03-26 13:41:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:05,230 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:05,231 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:05,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:05,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:05,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:05,231 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) [2021-03-26 13:41:05,231 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) [2021-03-26 13:41:05,231 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) [2021-03-26 13:41:05,231 INFO L185 Difference]: Start difference. First operand has 604 places, 562 transitions, 27416 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:05,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 611 places, 579 transitions, 29110 flow [2021-03-26 13:41:06,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 579 transitions, 28799 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 13:41:06,490 INFO L241 Difference]: Finished difference. Result has 610 places, 564 transitions, 27679 flow [2021-03-26 13:41:06,491 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} [2021-03-26 13:41:06,491 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 572 predicate places. [2021-03-26 13:41:06,491 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:06,491 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 610 places, 564 transitions, 27679 flow [2021-03-26 13:41:06,491 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 610 places, 564 transitions, 27679 flow [2021-03-26 13:41:06,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 610 places, 564 transitions, 27679 flow [2021-03-26 13:41:07,208 INFO L129 PetriNetUnfolder]: 223/3202 cut-off events. [2021-03-26 13:41:07,208 INFO L130 PetriNetUnfolder]: For 193304/193766 co-relation queries the response was YES. [2021-03-26 13:41:07,245 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. [2021-03-26 13:41:07,278 INFO L142 LiptonReduction]: Number of co-enabled transitions 3960 [2021-03-26 13:41:07,323 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:07,324 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:07,324 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 833 [2021-03-26 13:41:07,324 INFO L480 AbstractCegarLoop]: Abstraction has has 610 places, 564 transitions, 27679 flow [2021-03-26 13:41:07,324 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) [2021-03-26 13:41:07,324 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:07,324 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:07,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-03-26 13:41:07,324 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]=== [2021-03-26 13:41:07,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:07,325 INFO L82 PathProgramCache]: Analyzing trace with hash 405570734, now seen corresponding path program 142 times [2021-03-26 13:41:07,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:07,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61861541] [2021-03-26 13:41:07,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:07,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:07,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:07,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:07,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:07,336 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:07,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:07,343 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:07,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:07,353 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:41:07,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:41:07,367 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:41:07,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:41:07,386 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:07,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:07,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:07,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61861541] [2021-03-26 13:41:07,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:07,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:07,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752239560] [2021-03-26 13:41:07,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:07,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:07,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:07,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:07,405 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:07,405 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) [2021-03-26 13:41:07,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:07,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:07,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:08,570 INFO L129 PetriNetUnfolder]: 265/3284 cut-off events. [2021-03-26 13:41:08,571 INFO L130 PetriNetUnfolder]: For 203099/203574 co-relation queries the response was YES. [2021-03-26 13:41:08,623 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. [2021-03-26 13:41:08,632 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 351 selfloop transitions, 214 changer transitions 0/579 dead transitions. [2021-03-26 13:41:08,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 617 places, 579 transitions, 29285 flow [2021-03-26 13:41:08,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:08,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:08,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:08,633 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:08,633 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:08,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:08,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:08,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:08,634 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) [2021-03-26 13:41:08,634 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) [2021-03-26 13:41:08,634 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) [2021-03-26 13:41:08,634 INFO L185 Difference]: Start difference. First operand has 610 places, 564 transitions, 27679 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:08,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 617 places, 579 transitions, 29285 flow [2021-03-26 13:41:10,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 613 places, 579 transitions, 28900 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-26 13:41:10,132 INFO L241 Difference]: Finished difference. Result has 614 places, 564 transitions, 27725 flow [2021-03-26 13:41:10,133 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} [2021-03-26 13:41:10,133 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 576 predicate places. [2021-03-26 13:41:10,133 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:10,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 614 places, 564 transitions, 27725 flow [2021-03-26 13:41:10,133 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 614 places, 564 transitions, 27725 flow [2021-03-26 13:41:10,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 614 places, 564 transitions, 27725 flow [2021-03-26 13:41:10,896 INFO L129 PetriNetUnfolder]: 223/3201 cut-off events. [2021-03-26 13:41:10,897 INFO L130 PetriNetUnfolder]: For 197836/198403 co-relation queries the response was YES. [2021-03-26 13:41:10,935 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. [2021-03-26 13:41:10,970 INFO L142 LiptonReduction]: Number of co-enabled transitions 3960 [2021-03-26 13:41:11,016 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:11,016 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:11,016 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 883 [2021-03-26 13:41:11,017 INFO L480 AbstractCegarLoop]: Abstraction has has 614 places, 564 transitions, 27725 flow [2021-03-26 13:41:11,017 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) [2021-03-26 13:41:11,017 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:11,017 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:11,017 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-03-26 13:41:11,017 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]=== [2021-03-26 13:41:11,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:11,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1131673878, now seen corresponding path program 143 times [2021-03-26 13:41:11,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:11,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054838245] [2021-03-26 13:41:11,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:11,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:11,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:11,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:11,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:11,028 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:11,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:11,041 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:41:11,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:41:11,061 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:41:11,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:41:11,082 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:41:11,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:41:11,102 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:11,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:11,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054838245] [2021-03-26 13:41:11,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:11,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:11,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939894138] [2021-03-26 13:41:11,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:11,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:11,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:11,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:11,121 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:11,121 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) [2021-03-26 13:41:11,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:11,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:11,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:12,273 INFO L129 PetriNetUnfolder]: 266/3324 cut-off events. [2021-03-26 13:41:12,273 INFO L130 PetriNetUnfolder]: For 208545/209020 co-relation queries the response was YES. [2021-03-26 13:41:12,319 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. [2021-03-26 13:41:12,328 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 317 selfloop transitions, 290 changer transitions 2/623 dead transitions. [2021-03-26 13:41:12,328 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 623 transitions, 31236 flow [2021-03-26 13:41:12,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:12,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:12,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:12,329 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:12,329 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:12,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:12,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:12,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:12,329 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) [2021-03-26 13:41:12,330 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) [2021-03-26 13:41:12,330 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) [2021-03-26 13:41:12,330 INFO L185 Difference]: Start difference. First operand has 614 places, 564 transitions, 27725 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:12,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 623 transitions, 31236 flow [2021-03-26 13:41:13,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 617 places, 623 transitions, 30832 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 13:41:13,687 INFO L241 Difference]: Finished difference. Result has 623 places, 578 transitions, 28963 flow [2021-03-26 13:41:13,687 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} [2021-03-26 13:41:13,687 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 585 predicate places. [2021-03-26 13:41:13,687 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:13,687 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 623 places, 578 transitions, 28963 flow [2021-03-26 13:41:13,687 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 623 places, 578 transitions, 28963 flow [2021-03-26 13:41:13,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 622 places, 578 transitions, 28963 flow [2021-03-26 13:41:14,361 INFO L129 PetriNetUnfolder]: 225/3224 cut-off events. [2021-03-26 13:41:14,362 INFO L130 PetriNetUnfolder]: For 213266/213691 co-relation queries the response was YES. [2021-03-26 13:41:14,404 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. [2021-03-26 13:41:14,441 INFO L142 LiptonReduction]: Number of co-enabled transitions 4068 [2021-03-26 13:41:14,492 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:14,493 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:14,493 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 806 [2021-03-26 13:41:14,493 INFO L480 AbstractCegarLoop]: Abstraction has has 622 places, 578 transitions, 28963 flow [2021-03-26 13:41:14,493 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) [2021-03-26 13:41:14,493 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:14,493 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:14,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-03-26 13:41:14,493 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]=== [2021-03-26 13:41:14,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:14,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1557411738, now seen corresponding path program 144 times [2021-03-26 13:41:14,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:14,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038502830] [2021-03-26 13:41:14,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:14,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:14,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:14,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:14,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:14,504 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:14,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:14,517 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:41:14,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:41:14,528 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:41:14,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:41:14,543 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:41:14,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:41:14,563 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:14,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:14,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:14,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038502830] [2021-03-26 13:41:14,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:14,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:14,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423235154] [2021-03-26 13:41:14,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:14,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:14,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:14,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:14,583 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:14,583 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) [2021-03-26 13:41:14,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:14,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:14,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:15,874 INFO L129 PetriNetUnfolder]: 265/3314 cut-off events. [2021-03-26 13:41:15,875 INFO L130 PetriNetUnfolder]: For 223042/223548 co-relation queries the response was YES. [2021-03-26 13:41:15,916 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. [2021-03-26 13:41:15,923 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 343 selfloop transitions, 256 changer transitions 0/613 dead transitions. [2021-03-26 13:41:15,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 629 places, 613 transitions, 31487 flow [2021-03-26 13:41:15,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:15,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:15,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:15,924 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:15,924 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:15,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:15,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:15,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:15,924 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) [2021-03-26 13:41:15,925 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) [2021-03-26 13:41:15,925 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) [2021-03-26 13:41:15,925 INFO L185 Difference]: Start difference. First operand has 622 places, 578 transitions, 28963 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:15,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 629 places, 613 transitions, 31487 flow [2021-03-26 13:41:17,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 624 places, 613 transitions, 31118 flow, removed 57 selfloop flow, removed 5 redundant places. [2021-03-26 13:41:17,620 INFO L241 Difference]: Finished difference. Result has 627 places, 589 transitions, 29679 flow [2021-03-26 13:41:17,621 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} [2021-03-26 13:41:17,621 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 589 predicate places. [2021-03-26 13:41:17,621 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:17,621 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 627 places, 589 transitions, 29679 flow [2021-03-26 13:41:17,621 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 627 places, 589 transitions, 29679 flow [2021-03-26 13:41:17,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 627 places, 589 transitions, 29679 flow [2021-03-26 13:41:18,386 INFO L129 PetriNetUnfolder]: 225/3223 cut-off events. [2021-03-26 13:41:18,386 INFO L130 PetriNetUnfolder]: For 216023/216511 co-relation queries the response was YES. [2021-03-26 13:41:18,446 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. [2021-03-26 13:41:18,497 INFO L142 LiptonReduction]: Number of co-enabled transitions 4116 [2021-03-26 13:41:18,571 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:18,571 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:18,571 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 950 [2021-03-26 13:41:18,571 INFO L480 AbstractCegarLoop]: Abstraction has has 627 places, 589 transitions, 29679 flow [2021-03-26 13:41:18,572 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) [2021-03-26 13:41:18,572 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:18,572 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:18,572 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-03-26 13:41:18,572 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]=== [2021-03-26 13:41:18,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:18,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1054613808, now seen corresponding path program 145 times [2021-03-26 13:41:18,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:18,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124434100] [2021-03-26 13:41:18,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:18,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:18,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:18,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:18,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:18,585 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:18,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:18,600 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:41:18,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:41:18,617 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:41:18,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:41:18,634 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:41:18,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:41:18,653 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:18,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:18,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:18,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124434100] [2021-03-26 13:41:18,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:18,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:18,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300766405] [2021-03-26 13:41:18,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:18,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:18,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:18,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:18,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:18,673 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) [2021-03-26 13:41:18,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:18,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:18,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:20,046 INFO L129 PetriNetUnfolder]: 265/3313 cut-off events. [2021-03-26 13:41:20,046 INFO L130 PetriNetUnfolder]: For 225851/226364 co-relation queries the response was YES. [2021-03-26 13:41:20,084 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. [2021-03-26 13:41:20,090 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 346 selfloop transitions, 253 changer transitions 0/613 dead transitions. [2021-03-26 13:41:20,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 613 transitions, 31766 flow [2021-03-26 13:41:20,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:20,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:20,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:20,091 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:20,091 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:20,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:20,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:20,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:20,092 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) [2021-03-26 13:41:20,092 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) [2021-03-26 13:41:20,092 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) [2021-03-26 13:41:20,092 INFO L185 Difference]: Start difference. First operand has 627 places, 589 transitions, 29679 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:20,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 613 transitions, 31766 flow [2021-03-26 13:41:21,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 613 transitions, 31350 flow, removed 24 selfloop flow, removed 2 redundant places. [2021-03-26 13:41:21,552 INFO L241 Difference]: Finished difference. Result has 635 places, 594 transitions, 30040 flow [2021-03-26 13:41:21,553 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} [2021-03-26 13:41:21,553 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 597 predicate places. [2021-03-26 13:41:21,553 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:21,553 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 635 places, 594 transitions, 30040 flow [2021-03-26 13:41:21,553 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 635 places, 594 transitions, 30040 flow [2021-03-26 13:41:21,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 635 places, 594 transitions, 30040 flow [2021-03-26 13:41:22,248 INFO L129 PetriNetUnfolder]: 225/3222 cut-off events. [2021-03-26 13:41:22,248 INFO L130 PetriNetUnfolder]: For 222872/223477 co-relation queries the response was YES. [2021-03-26 13:41:22,291 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. [2021-03-26 13:41:22,330 INFO L142 LiptonReduction]: Number of co-enabled transitions 4172 [2021-03-26 13:41:22,386 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:22,386 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:22,386 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 833 [2021-03-26 13:41:22,386 INFO L480 AbstractCegarLoop]: Abstraction has has 635 places, 594 transitions, 30040 flow [2021-03-26 13:41:22,386 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) [2021-03-26 13:41:22,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:22,386 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:22,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-03-26 13:41:22,386 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]=== [2021-03-26 13:41:22,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:22,387 INFO L82 PathProgramCache]: Analyzing trace with hash 997720932, now seen corresponding path program 146 times [2021-03-26 13:41:22,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:22,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902394414] [2021-03-26 13:41:22,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:22,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:22,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:22,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:22,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:22,397 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:22,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:22,404 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:22,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:22,414 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:41:22,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:41:22,428 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:41:22,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:41:22,447 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:22,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:22,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:22,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902394414] [2021-03-26 13:41:22,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:22,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:22,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192559283] [2021-03-26 13:41:22,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:22,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:22,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:22,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:22,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:22,466 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) [2021-03-26 13:41:22,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:22,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:22,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:23,815 INFO L129 PetriNetUnfolder]: 265/3312 cut-off events. [2021-03-26 13:41:23,815 INFO L130 PetriNetUnfolder]: For 232411/232900 co-relation queries the response was YES. [2021-03-26 13:41:23,859 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. [2021-03-26 13:41:23,867 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 357 selfloop transitions, 236 changer transitions 0/607 dead transitions. [2021-03-26 13:41:23,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 607 transitions, 31668 flow [2021-03-26 13:41:23,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:23,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:23,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:23,868 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:23,868 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:23,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:23,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:23,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:23,868 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) [2021-03-26 13:41:23,869 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) [2021-03-26 13:41:23,869 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) [2021-03-26 13:41:23,869 INFO L185 Difference]: Start difference. First operand has 635 places, 594 transitions, 30040 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:23,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 607 transitions, 31668 flow [2021-03-26 13:41:25,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 607 transitions, 31137 flow, removed 32 selfloop flow, removed 3 redundant places. [2021-03-26 13:41:25,411 INFO L241 Difference]: Finished difference. Result has 640 places, 594 transitions, 29984 flow [2021-03-26 13:41:25,411 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} [2021-03-26 13:41:25,411 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 602 predicate places. [2021-03-26 13:41:25,411 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:25,411 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 640 places, 594 transitions, 29984 flow [2021-03-26 13:41:25,411 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 640 places, 594 transitions, 29984 flow [2021-03-26 13:41:25,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 640 places, 594 transitions, 29984 flow [2021-03-26 13:41:26,109 INFO L129 PetriNetUnfolder]: 225/3221 cut-off events. [2021-03-26 13:41:26,110 INFO L130 PetriNetUnfolder]: For 227598/228101 co-relation queries the response was YES. [2021-03-26 13:41:26,155 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. [2021-03-26 13:41:26,193 INFO L142 LiptonReduction]: Number of co-enabled transitions 4172 [2021-03-26 13:41:26,248 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:26,248 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:26,248 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 837 [2021-03-26 13:41:26,249 INFO L480 AbstractCegarLoop]: Abstraction has has 640 places, 594 transitions, 29984 flow [2021-03-26 13:41:26,249 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) [2021-03-26 13:41:26,249 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:26,249 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:26,249 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-03-26 13:41:26,249 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]=== [2021-03-26 13:41:26,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:26,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1881379822, now seen corresponding path program 147 times [2021-03-26 13:41:26,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:26,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589463519] [2021-03-26 13:41:26,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:26,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:26,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:26,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:26,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:26,262 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:26,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:26,269 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:26,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:26,280 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:41:26,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:41:26,295 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:41:26,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:41:26,315 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:26,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:26,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589463519] [2021-03-26 13:41:26,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:26,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:26,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356449976] [2021-03-26 13:41:26,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:26,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:26,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:26,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:26,335 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:26,335 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) [2021-03-26 13:41:26,335 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:26,335 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:26,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:27,672 INFO L129 PetriNetUnfolder]: 265/3311 cut-off events. [2021-03-26 13:41:27,672 INFO L130 PetriNetUnfolder]: For 237528/238017 co-relation queries the response was YES. [2021-03-26 13:41:27,721 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. [2021-03-26 13:41:27,729 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 346 selfloop transitions, 247 changer transitions 0/607 dead transitions. [2021-03-26 13:41:27,730 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 607 transitions, 31620 flow [2021-03-26 13:41:27,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:27,731 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:27,731 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:27,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:27,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:27,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:27,731 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) [2021-03-26 13:41:27,732 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) [2021-03-26 13:41:27,732 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) [2021-03-26 13:41:27,732 INFO L185 Difference]: Start difference. First operand has 640 places, 594 transitions, 29984 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:27,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 607 transitions, 31620 flow [2021-03-26 13:41:29,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 607 transitions, 31169 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 13:41:29,313 INFO L241 Difference]: Finished difference. Result has 643 places, 594 transitions, 30030 flow [2021-03-26 13:41:29,314 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} [2021-03-26 13:41:29,314 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 605 predicate places. [2021-03-26 13:41:29,314 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:29,314 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 643 places, 594 transitions, 30030 flow [2021-03-26 13:41:29,314 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 643 places, 594 transitions, 30030 flow [2021-03-26 13:41:29,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 643 places, 594 transitions, 30030 flow [2021-03-26 13:41:30,033 INFO L129 PetriNetUnfolder]: 225/3220 cut-off events. [2021-03-26 13:41:30,033 INFO L130 PetriNetUnfolder]: For 234059/234573 co-relation queries the response was YES. [2021-03-26 13:41:30,074 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. [2021-03-26 13:41:30,112 INFO L142 LiptonReduction]: Number of co-enabled transitions 4172 [2021-03-26 13:41:30,165 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:30,166 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:30,166 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 852 [2021-03-26 13:41:30,166 INFO L480 AbstractCegarLoop]: Abstraction has has 643 places, 594 transitions, 30030 flow [2021-03-26 13:41:30,166 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) [2021-03-26 13:41:30,166 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:30,166 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:30,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-03-26 13:41:30,166 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]=== [2021-03-26 13:41:30,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:30,166 INFO L82 PathProgramCache]: Analyzing trace with hash -789112250, now seen corresponding path program 148 times [2021-03-26 13:41:30,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:30,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589158263] [2021-03-26 13:41:30,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:30,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:30,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:30,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:30,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:30,177 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:30,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:30,190 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:41:30,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:41:30,207 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:41:30,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:41:30,227 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:41:30,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:41:30,247 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:30,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:30,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589158263] [2021-03-26 13:41:30,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:30,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:30,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184654593] [2021-03-26 13:41:30,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:30,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:30,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:30,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:30,266 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:30,267 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) [2021-03-26 13:41:30,267 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:30,267 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:30,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:31,558 INFO L129 PetriNetUnfolder]: 265/3298 cut-off events. [2021-03-26 13:41:31,558 INFO L130 PetriNetUnfolder]: For 244857/245370 co-relation queries the response was YES. [2021-03-26 13:41:31,600 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. [2021-03-26 13:41:31,608 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 334 selfloop transitions, 280 changer transitions 2/630 dead transitions. [2021-03-26 13:41:31,608 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 630 transitions, 32693 flow [2021-03-26 13:41:31,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:31,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:31,609 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:31,609 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:31,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:31,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:31,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:31,609 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) [2021-03-26 13:41:31,610 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) [2021-03-26 13:41:31,610 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) [2021-03-26 13:41:31,610 INFO L185 Difference]: Start difference. First operand has 643 places, 594 transitions, 30030 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:31,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 650 places, 630 transitions, 32693 flow [2021-03-26 13:41:33,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 646 places, 630 transitions, 32269 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 13:41:33,144 INFO L241 Difference]: Finished difference. Result has 651 places, 601 transitions, 30657 flow [2021-03-26 13:41:33,144 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} [2021-03-26 13:41:33,144 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 613 predicate places. [2021-03-26 13:41:33,144 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:33,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 651 places, 601 transitions, 30657 flow [2021-03-26 13:41:33,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 651 places, 601 transitions, 30657 flow [2021-03-26 13:41:33,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 650 places, 601 transitions, 30657 flow [2021-03-26 13:41:33,938 INFO L129 PetriNetUnfolder]: 224/3210 cut-off events. [2021-03-26 13:41:33,938 INFO L130 PetriNetUnfolder]: For 245267/245800 co-relation queries the response was YES. [2021-03-26 13:41:33,994 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. [2021-03-26 13:41:34,041 INFO L142 LiptonReduction]: Number of co-enabled transitions 4220 [2021-03-26 13:41:34,091 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:34,091 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:34,092 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 948 [2021-03-26 13:41:34,092 INFO L480 AbstractCegarLoop]: Abstraction has has 650 places, 601 transitions, 30657 flow [2021-03-26 13:41:34,092 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) [2021-03-26 13:41:34,092 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:34,092 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:34,092 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-03-26 13:41:34,092 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]=== [2021-03-26 13:41:34,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:34,092 INFO L82 PathProgramCache]: Analyzing trace with hash 550977936, now seen corresponding path program 149 times [2021-03-26 13:41:34,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:34,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947363810] [2021-03-26 13:41:34,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:34,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:34,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:34,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:34,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:34,103 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:34,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:34,111 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:34,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:34,122 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:41:34,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:41:34,137 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:41:34,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:41:34,158 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:34,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:34,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:34,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947363810] [2021-03-26 13:41:34,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:34,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:34,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471837063] [2021-03-26 13:41:34,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:34,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:34,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:34,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:34,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:34,179 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) [2021-03-26 13:41:34,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:34,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:34,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:35,491 INFO L129 PetriNetUnfolder]: 264/3288 cut-off events. [2021-03-26 13:41:35,492 INFO L130 PetriNetUnfolder]: For 256916/257429 co-relation queries the response was YES. [2021-03-26 13:41:35,537 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. [2021-03-26 13:41:35,546 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 345 selfloop transitions, 255 changer transitions 0/614 dead transitions. [2021-03-26 13:41:35,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 614 transitions, 32325 flow [2021-03-26 13:41:35,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:35,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:35,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:35,547 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:35,547 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:35,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:35,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:35,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:35,547 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) [2021-03-26 13:41:35,548 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) [2021-03-26 13:41:35,548 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) [2021-03-26 13:41:35,548 INFO L185 Difference]: Start difference. First operand has 650 places, 601 transitions, 30657 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:35,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 614 transitions, 32325 flow [2021-03-26 13:41:37,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 614 transitions, 31833 flow, removed 25 selfloop flow, removed 5 redundant places. [2021-03-26 13:41:37,575 INFO L241 Difference]: Finished difference. Result has 654 places, 602 transitions, 30822 flow [2021-03-26 13:41:37,575 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} [2021-03-26 13:41:37,575 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 616 predicate places. [2021-03-26 13:41:37,575 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:37,576 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 654 places, 602 transitions, 30822 flow [2021-03-26 13:41:37,576 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 654 places, 602 transitions, 30822 flow [2021-03-26 13:41:37,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 654 places, 602 transitions, 30822 flow [2021-03-26 13:41:38,313 INFO L129 PetriNetUnfolder]: 224/3209 cut-off events. [2021-03-26 13:41:38,313 INFO L130 PetriNetUnfolder]: For 244915/245524 co-relation queries the response was YES. [2021-03-26 13:41:38,365 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. [2021-03-26 13:41:38,502 INFO L142 LiptonReduction]: Number of co-enabled transitions 4222 [2021-03-26 13:41:38,553 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:38,553 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:38,553 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 978 [2021-03-26 13:41:38,554 INFO L480 AbstractCegarLoop]: Abstraction has has 654 places, 602 transitions, 30822 flow [2021-03-26 13:41:38,554 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) [2021-03-26 13:41:38,554 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:38,554 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:38,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-03-26 13:41:38,554 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]=== [2021-03-26 13:41:38,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:38,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1610121208, now seen corresponding path program 150 times [2021-03-26 13:41:38,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:38,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332355102] [2021-03-26 13:41:38,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:38,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:38,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:38,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:38,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:38,567 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:38,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:38,574 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:38,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:38,584 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:41:38,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:41:38,600 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:41:38,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:41:38,620 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:38,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:38,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:38,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332355102] [2021-03-26 13:41:38,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:38,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:38,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318412659] [2021-03-26 13:41:38,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:38,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:38,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:38,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:38,639 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:38,639 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) [2021-03-26 13:41:38,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:38,639 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:38,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:39,965 INFO L129 PetriNetUnfolder]: 264/3299 cut-off events. [2021-03-26 13:41:39,965 INFO L130 PetriNetUnfolder]: For 255531/256044 co-relation queries the response was YES. [2021-03-26 13:41:40,017 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. [2021-03-26 13:41:40,024 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 345 selfloop transitions, 255 changer transitions 0/614 dead transitions. [2021-03-26 13:41:40,024 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 661 places, 614 transitions, 32430 flow [2021-03-26 13:41:40,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:40,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:40,025 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:40,025 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:40,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:40,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:40,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:40,026 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) [2021-03-26 13:41:40,026 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) [2021-03-26 13:41:40,026 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) [2021-03-26 13:41:40,026 INFO L185 Difference]: Start difference. First operand has 654 places, 602 transitions, 30822 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:40,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 661 places, 614 transitions, 32430 flow [2021-03-26 13:41:41,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 657 places, 614 transitions, 31984 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-03-26 13:41:41,664 INFO L241 Difference]: Finished difference. Result has 658 places, 602 transitions, 30889 flow [2021-03-26 13:41:41,664 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} [2021-03-26 13:41:41,664 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 620 predicate places. [2021-03-26 13:41:41,664 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:41,664 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 602 transitions, 30889 flow [2021-03-26 13:41:41,665 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 602 transitions, 30889 flow [2021-03-26 13:41:41,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 602 transitions, 30889 flow [2021-03-26 13:41:42,356 INFO L129 PetriNetUnfolder]: 224/3208 cut-off events. [2021-03-26 13:41:42,356 INFO L130 PetriNetUnfolder]: For 250621/251213 co-relation queries the response was YES. [2021-03-26 13:41:42,397 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. [2021-03-26 13:41:42,434 INFO L142 LiptonReduction]: Number of co-enabled transitions 4222 [2021-03-26 13:41:42,491 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:42,491 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:42,491 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 827 [2021-03-26 13:41:42,491 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 602 transitions, 30889 flow [2021-03-26 13:41:42,491 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) [2021-03-26 13:41:42,492 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:42,492 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:42,492 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-03-26 13:41:42,492 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]=== [2021-03-26 13:41:42,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:42,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1987246676, now seen corresponding path program 151 times [2021-03-26 13:41:42,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:42,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082581306] [2021-03-26 13:41:42,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:42,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:42,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:42,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:42,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:42,504 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:42,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:42,511 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:42,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:42,521 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:41:42,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:41:42,535 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:41:42,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:41:42,554 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:42,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:42,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082581306] [2021-03-26 13:41:42,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:42,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:42,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434950638] [2021-03-26 13:41:42,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:42,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:42,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:42,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:42,573 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:42,573 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) [2021-03-26 13:41:42,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:42,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:42,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:43,945 INFO L129 PetriNetUnfolder]: 264/3298 cut-off events. [2021-03-26 13:41:43,945 INFO L130 PetriNetUnfolder]: For 261565/262076 co-relation queries the response was YES. [2021-03-26 13:41:43,989 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. [2021-03-26 13:41:43,997 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 349 selfloop transitions, 251 changer transitions 0/614 dead transitions. [2021-03-26 13:41:43,997 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 614 transitions, 32505 flow [2021-03-26 13:41:43,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:43,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:43,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:43,998 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:43,998 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:43,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:43,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:43,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:43,998 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) [2021-03-26 13:41:43,999 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) [2021-03-26 13:41:43,999 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) [2021-03-26 13:41:43,999 INFO L185 Difference]: Start difference. First operand has 658 places, 602 transitions, 30889 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:43,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 614 transitions, 32505 flow [2021-03-26 13:41:45,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 614 transitions, 32180 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 13:41:45,606 INFO L241 Difference]: Finished difference. Result has 663 places, 602 transitions, 31069 flow [2021-03-26 13:41:45,607 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} [2021-03-26 13:41:45,607 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 625 predicate places. [2021-03-26 13:41:45,607 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:45,607 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 663 places, 602 transitions, 31069 flow [2021-03-26 13:41:45,607 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 663 places, 602 transitions, 31069 flow [2021-03-26 13:41:45,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 663 places, 602 transitions, 31069 flow [2021-03-26 13:41:46,368 INFO L129 PetriNetUnfolder]: 224/3207 cut-off events. [2021-03-26 13:41:46,369 INFO L130 PetriNetUnfolder]: For 258714/259275 co-relation queries the response was YES. [2021-03-26 13:41:46,413 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. [2021-03-26 13:41:46,453 INFO L142 LiptonReduction]: Number of co-enabled transitions 4222 [2021-03-26 13:41:46,509 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:46,509 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:46,509 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 902 [2021-03-26 13:41:46,509 INFO L480 AbstractCegarLoop]: Abstraction has has 663 places, 602 transitions, 31069 flow [2021-03-26 13:41:46,509 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) [2021-03-26 13:41:46,509 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:46,509 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:46,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-03-26 13:41:46,509 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]=== [2021-03-26 13:41:46,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:46,510 INFO L82 PathProgramCache]: Analyzing trace with hash -152298350, now seen corresponding path program 152 times [2021-03-26 13:41:46,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:46,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376313234] [2021-03-26 13:41:46,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:46,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:46,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:46,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:46,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:46,520 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:46,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:46,527 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:46,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:46,538 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:41:46,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:41:46,565 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:41:46,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:41:46,585 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:46,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:46,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:46,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376313234] [2021-03-26 13:41:46,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:46,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:46,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962292146] [2021-03-26 13:41:46,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:46,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:46,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:46,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:46,604 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:46,604 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) [2021-03-26 13:41:46,604 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:46,604 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:46,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:47,978 INFO L129 PetriNetUnfolder]: 264/3297 cut-off events. [2021-03-26 13:41:47,978 INFO L130 PetriNetUnfolder]: For 269954/270441 co-relation queries the response was YES. [2021-03-26 13:41:48,024 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. [2021-03-26 13:41:48,032 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 349 selfloop transitions, 251 changer transitions 0/614 dead transitions. [2021-03-26 13:41:48,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 670 places, 614 transitions, 32693 flow [2021-03-26 13:41:48,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:48,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:48,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:48,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:48,033 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:48,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:48,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:48,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:48,034 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) [2021-03-26 13:41:48,034 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) [2021-03-26 13:41:48,034 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) [2021-03-26 13:41:48,034 INFO L185 Difference]: Start difference. First operand has 663 places, 602 transitions, 31069 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:48,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 670 places, 614 transitions, 32693 flow [2021-03-26 13:41:49,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 614 transitions, 32209 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 13:41:50,011 INFO L241 Difference]: Finished difference. Result has 666 places, 602 transitions, 31090 flow [2021-03-26 13:41:50,012 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} [2021-03-26 13:41:50,012 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 628 predicate places. [2021-03-26 13:41:50,012 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:50,012 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 666 places, 602 transitions, 31090 flow [2021-03-26 13:41:50,012 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 666 places, 602 transitions, 31090 flow [2021-03-26 13:41:50,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 666 places, 602 transitions, 31090 flow [2021-03-26 13:41:50,725 INFO L129 PetriNetUnfolder]: 224/3206 cut-off events. [2021-03-26 13:41:50,725 INFO L130 PetriNetUnfolder]: For 266039/266645 co-relation queries the response was YES. [2021-03-26 13:41:50,768 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. [2021-03-26 13:41:50,807 INFO L142 LiptonReduction]: Number of co-enabled transitions 4222 [2021-03-26 13:41:50,861 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:50,861 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:50,862 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 850 [2021-03-26 13:41:50,862 INFO L480 AbstractCegarLoop]: Abstraction has has 666 places, 602 transitions, 31090 flow [2021-03-26 13:41:50,862 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) [2021-03-26 13:41:50,862 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:50,862 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:50,862 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-03-26 13:41:50,862 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]=== [2021-03-26 13:41:50,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:50,862 INFO L82 PathProgramCache]: Analyzing trace with hash -822436972, now seen corresponding path program 153 times [2021-03-26 13:41:50,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:50,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574776885] [2021-03-26 13:41:50,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:50,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:50,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:50,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:50,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:50,874 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:50,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:50,882 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:50,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:50,892 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:41:50,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:41:50,906 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:41:50,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:41:50,926 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:50,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:50,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:50,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574776885] [2021-03-26 13:41:50,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:50,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:50,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441317808] [2021-03-26 13:41:50,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:50,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:50,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:50,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:50,945 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:50,945 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) [2021-03-26 13:41:50,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:50,945 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:50,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:52,318 INFO L129 PetriNetUnfolder]: 264/3296 cut-off events. [2021-03-26 13:41:52,318 INFO L130 PetriNetUnfolder]: For 277429/277916 co-relation queries the response was YES. [2021-03-26 13:41:52,363 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. [2021-03-26 13:41:52,371 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 365 selfloop transitions, 235 changer transitions 0/614 dead transitions. [2021-03-26 13:41:52,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 614 transitions, 32722 flow [2021-03-26 13:41:52,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:52,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:52,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:52,372 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:52,372 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:52,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:52,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:52,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:52,373 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) [2021-03-26 13:41:52,373 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) [2021-03-26 13:41:52,373 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) [2021-03-26 13:41:52,373 INFO L185 Difference]: Start difference. First operand has 666 places, 602 transitions, 31090 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:52,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 614 transitions, 32722 flow [2021-03-26 13:41:54,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 614 transitions, 32238 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 13:41:54,073 INFO L241 Difference]: Finished difference. Result has 670 places, 604 transitions, 31245 flow [2021-03-26 13:41:54,074 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} [2021-03-26 13:41:54,074 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 632 predicate places. [2021-03-26 13:41:54,074 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:54,074 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 670 places, 604 transitions, 31245 flow [2021-03-26 13:41:54,074 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 670 places, 604 transitions, 31245 flow [2021-03-26 13:41:54,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 670 places, 604 transitions, 31245 flow [2021-03-26 13:41:54,824 INFO L129 PetriNetUnfolder]: 224/3205 cut-off events. [2021-03-26 13:41:54,824 INFO L130 PetriNetUnfolder]: For 275978/276636 co-relation queries the response was YES. [2021-03-26 13:41:54,866 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. [2021-03-26 13:41:54,903 INFO L142 LiptonReduction]: Number of co-enabled transitions 4226 [2021-03-26 13:41:54,953 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:54,953 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:54,953 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 879 [2021-03-26 13:41:54,954 INFO L480 AbstractCegarLoop]: Abstraction has has 670 places, 604 transitions, 31245 flow [2021-03-26 13:41:54,954 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) [2021-03-26 13:41:54,954 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:54,954 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:54,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-03-26 13:41:54,954 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]=== [2021-03-26 13:41:54,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:54,954 INFO L82 PathProgramCache]: Analyzing trace with hash 843741566, now seen corresponding path program 154 times [2021-03-26 13:41:54,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:54,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960458936] [2021-03-26 13:41:54,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:54,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:54,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:54,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:54,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:54,964 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:54,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:54,977 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:41:54,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:41:54,988 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:41:54,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:41:55,003 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:41:55,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:41:55,022 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:55,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:55,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:55,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960458936] [2021-03-26 13:41:55,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:55,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:55,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161716569] [2021-03-26 13:41:55,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:55,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:55,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:55,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:55,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:55,041 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) [2021-03-26 13:41:55,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:55,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:55,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:56,377 INFO L129 PetriNetUnfolder]: 264/3295 cut-off events. [2021-03-26 13:41:56,378 INFO L130 PetriNetUnfolder]: For 288453/289069 co-relation queries the response was YES. [2021-03-26 13:41:56,423 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. [2021-03-26 13:41:56,432 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 351 selfloop transitions, 254 changer transitions 0/619 dead transitions. [2021-03-26 13:41:56,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 677 places, 619 transitions, 33001 flow [2021-03-26 13:41:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:41:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:41:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:41:56,433 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:41:56,433 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:41:56,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:41:56,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:56,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:41:56,433 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) [2021-03-26 13:41:56,434 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) [2021-03-26 13:41:56,434 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) [2021-03-26 13:41:56,434 INFO L185 Difference]: Start difference. First operand has 670 places, 604 transitions, 31245 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:41:56,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 677 places, 619 transitions, 33001 flow [2021-03-26 13:41:58,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 619 transitions, 32619 flow, removed 29 selfloop flow, removed 3 redundant places. [2021-03-26 13:41:58,506 INFO L241 Difference]: Finished difference. Result has 675 places, 604 transitions, 31394 flow [2021-03-26 13:41:58,506 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} [2021-03-26 13:41:58,506 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-03-26 13:41:58,506 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:58,506 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 604 transitions, 31394 flow [2021-03-26 13:41:58,506 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 604 transitions, 31394 flow [2021-03-26 13:41:58,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 675 places, 604 transitions, 31394 flow [2021-03-26 13:41:59,247 INFO L129 PetriNetUnfolder]: 224/3204 cut-off events. [2021-03-26 13:41:59,247 INFO L130 PetriNetUnfolder]: For 281093/281667 co-relation queries the response was YES. [2021-03-26 13:41:59,292 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. [2021-03-26 13:41:59,331 INFO L142 LiptonReduction]: Number of co-enabled transitions 4226 [2021-03-26 13:41:59,387 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:59,387 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:59,387 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 881 [2021-03-26 13:41:59,387 INFO L480 AbstractCegarLoop]: Abstraction has has 675 places, 604 transitions, 31394 flow [2021-03-26 13:41:59,387 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) [2021-03-26 13:41:59,387 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:59,387 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:59,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-03-26 13:41:59,387 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]=== [2021-03-26 13:41:59,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:59,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1887388230, now seen corresponding path program 155 times [2021-03-26 13:41:59,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:59,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504042440] [2021-03-26 13:41:59,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:59,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:59,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:59,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:59,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:59,400 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:41:59,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:41:59,409 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:59,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:59,421 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:41:59,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:41:59,438 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:41:59,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:41:59,460 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:41:59,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:41:59,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:59,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504042440] [2021-03-26 13:41:59,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:59,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:41:59,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170049107] [2021-03-26 13:41:59,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:41:59,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:59,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:41:59,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:41:59,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:41:59,484 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) [2021-03-26 13:41:59,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:59,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:41:59,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:00,801 INFO L129 PetriNetUnfolder]: 264/3294 cut-off events. [2021-03-26 13:42:00,802 INFO L130 PetriNetUnfolder]: For 293610/294231 co-relation queries the response was YES. [2021-03-26 13:42:00,849 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. [2021-03-26 13:42:00,857 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 362 selfloop transitions, 238 changer transitions 0/614 dead transitions. [2021-03-26 13:42:00,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 614 transitions, 32946 flow [2021-03-26 13:42:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:42:00,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:42:00,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:42:00,858 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:42:00,858 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:42:00,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:42:00,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:00,858 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:42:00,859 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) [2021-03-26 13:42:00,859 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) [2021-03-26 13:42:00,859 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) [2021-03-26 13:42:00,859 INFO L185 Difference]: Start difference. First operand has 675 places, 604 transitions, 31394 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:42:00,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 614 transitions, 32946 flow [2021-03-26 13:42:03,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 678 places, 614 transitions, 32457 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 13:42:03,075 INFO L241 Difference]: Finished difference. Result has 679 places, 604 transitions, 31384 flow [2021-03-26 13:42:03,076 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} [2021-03-26 13:42:03,076 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 641 predicate places. [2021-03-26 13:42:03,076 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:03,076 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 679 places, 604 transitions, 31384 flow [2021-03-26 13:42:03,076 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 679 places, 604 transitions, 31384 flow [2021-03-26 13:42:03,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 679 places, 604 transitions, 31384 flow [2021-03-26 13:42:03,828 INFO L129 PetriNetUnfolder]: 224/3203 cut-off events. [2021-03-26 13:42:03,829 INFO L130 PetriNetUnfolder]: For 288713/289301 co-relation queries the response was YES. [2021-03-26 13:42:03,879 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. [2021-03-26 13:42:03,917 INFO L142 LiptonReduction]: Number of co-enabled transitions 4226 [2021-03-26 13:42:03,972 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:03,972 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:03,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 896 [2021-03-26 13:42:03,972 INFO L480 AbstractCegarLoop]: Abstraction has has 679 places, 604 transitions, 31384 flow [2021-03-26 13:42:03,972 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) [2021-03-26 13:42:03,972 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:03,972 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:03,973 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-03-26 13:42:03,973 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]=== [2021-03-26 13:42:03,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:03,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1533206484, now seen corresponding path program 156 times [2021-03-26 13:42:03,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:03,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909366828] [2021-03-26 13:42:03,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:03,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:03,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:03,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:03,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:03,985 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:42:03,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:42:03,994 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:03,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:04,005 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:42:04,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:42:04,019 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:42:04,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:42:04,038 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:42:04,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:42:04,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:04,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909366828] [2021-03-26 13:42:04,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:04,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:42:04,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655492497] [2021-03-26 13:42:04,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:42:04,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:04,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:42:04,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:42:04,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:42:04,057 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) [2021-03-26 13:42:04,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:04,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:42:04,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:05,478 INFO L129 PetriNetUnfolder]: 264/3293 cut-off events. [2021-03-26 13:42:05,479 INFO L130 PetriNetUnfolder]: For 301179/301772 co-relation queries the response was YES. [2021-03-26 13:42:05,522 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. [2021-03-26 13:42:05,529 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 362 selfloop transitions, 238 changer transitions 0/614 dead transitions. [2021-03-26 13:42:05,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 686 places, 614 transitions, 32944 flow [2021-03-26 13:42:05,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:42:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:42:05,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:42:05,530 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:42:05,530 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:42:05,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:42:05,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:05,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:42:05,530 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) [2021-03-26 13:42:05,531 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) [2021-03-26 13:42:05,531 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) [2021-03-26 13:42:05,531 INFO L185 Difference]: Start difference. First operand has 679 places, 604 transitions, 31384 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:42:05,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 686 places, 614 transitions, 32944 flow [2021-03-26 13:42:07,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 682 places, 614 transitions, 32553 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 13:42:07,728 INFO L241 Difference]: Finished difference. Result has 683 places, 604 transitions, 31472 flow [2021-03-26 13:42:07,729 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} [2021-03-26 13:42:07,729 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 645 predicate places. [2021-03-26 13:42:07,729 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:07,729 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 683 places, 604 transitions, 31472 flow [2021-03-26 13:42:07,729 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 683 places, 604 transitions, 31472 flow [2021-03-26 13:42:07,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 683 places, 604 transitions, 31472 flow [2021-03-26 13:42:08,480 INFO L129 PetriNetUnfolder]: 224/3202 cut-off events. [2021-03-26 13:42:08,481 INFO L130 PetriNetUnfolder]: For 297270/297949 co-relation queries the response was YES. [2021-03-26 13:42:08,524 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. [2021-03-26 13:42:08,564 INFO L142 LiptonReduction]: Number of co-enabled transitions 4226 [2021-03-26 13:42:08,620 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:08,621 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:08,621 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 892 [2021-03-26 13:42:08,621 INFO L480 AbstractCegarLoop]: Abstraction has has 683 places, 604 transitions, 31472 flow [2021-03-26 13:42:08,621 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) [2021-03-26 13:42:08,621 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:08,621 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:08,621 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-03-26 13:42:08,621 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]=== [2021-03-26 13:42:08,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:08,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1640453678, now seen corresponding path program 157 times [2021-03-26 13:42:08,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:08,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779724795] [2021-03-26 13:42:08,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:08,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:08,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:08,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:08,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:08,634 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:08,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:08,648 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:42:08,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:42:08,659 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:42:08,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:42:08,675 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:42:08,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:42:08,694 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:42:08,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:42:08,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:08,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779724795] [2021-03-26 13:42:08,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:08,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:42:08,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058136795] [2021-03-26 13:42:08,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:42:08,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:08,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:42:08,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:42:08,713 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:42:08,713 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) [2021-03-26 13:42:08,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:08,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:42:08,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:10,101 INFO L129 PetriNetUnfolder]: 264/3292 cut-off events. [2021-03-26 13:42:10,101 INFO L130 PetriNetUnfolder]: For 310018/310613 co-relation queries the response was YES. [2021-03-26 13:42:10,146 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. [2021-03-26 13:42:10,154 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 343 selfloop transitions, 262 changer transitions 0/619 dead transitions. [2021-03-26 13:42:10,154 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 690 places, 619 transitions, 33241 flow [2021-03-26 13:42:10,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:42:10,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:42:10,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:42:10,155 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:42:10,155 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:42:10,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:42:10,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:10,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:42:10,155 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) [2021-03-26 13:42:10,156 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) [2021-03-26 13:42:10,156 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) [2021-03-26 13:42:10,156 INFO L185 Difference]: Start difference. First operand has 683 places, 604 transitions, 31472 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:42:10,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 690 places, 619 transitions, 33241 flow [2021-03-26 13:42:12,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 687 places, 619 transitions, 32916 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 13:42:12,097 INFO L241 Difference]: Finished difference. Result has 689 places, 605 transitions, 31752 flow [2021-03-26 13:42:12,097 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} [2021-03-26 13:42:12,097 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 651 predicate places. [2021-03-26 13:42:12,098 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:12,098 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 689 places, 605 transitions, 31752 flow [2021-03-26 13:42:12,098 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 689 places, 605 transitions, 31752 flow [2021-03-26 13:42:12,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 689 places, 605 transitions, 31752 flow [2021-03-26 13:42:12,815 INFO L129 PetriNetUnfolder]: 224/3201 cut-off events. [2021-03-26 13:42:12,815 INFO L130 PetriNetUnfolder]: For 307424/307967 co-relation queries the response was YES. [2021-03-26 13:42:12,860 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. [2021-03-26 13:42:12,897 INFO L142 LiptonReduction]: Number of co-enabled transitions 4240 [2021-03-26 13:42:12,952 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:12,952 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:12,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 854 [2021-03-26 13:42:12,952 INFO L480 AbstractCegarLoop]: Abstraction has has 689 places, 605 transitions, 31752 flow [2021-03-26 13:42:12,953 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) [2021-03-26 13:42:12,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:12,953 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:12,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-03-26 13:42:12,953 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]=== [2021-03-26 13:42:12,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:12,953 INFO L82 PathProgramCache]: Analyzing trace with hash 731374018, now seen corresponding path program 158 times [2021-03-26 13:42:12,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:12,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961263399] [2021-03-26 13:42:12,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:12,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:12,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:12,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:12,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:12,966 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:12,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:12,979 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:42:12,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:42:12,990 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:42:12,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:42:13,005 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:42:13,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:42:13,024 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:42:13,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:42:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:13,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961263399] [2021-03-26 13:42:13,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:13,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:42:13,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538910858] [2021-03-26 13:42:13,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:42:13,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:13,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:42:13,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:42:13,048 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:42:13,048 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) [2021-03-26 13:42:13,048 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:13,048 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:42:13,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:14,447 INFO L129 PetriNetUnfolder]: 264/3279 cut-off events. [2021-03-26 13:42:14,447 INFO L130 PetriNetUnfolder]: For 321233/321852 co-relation queries the response was YES. [2021-03-26 13:42:14,498 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. [2021-03-26 13:42:14,506 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 347 selfloop transitions, 258 changer transitions 0/619 dead transitions. [2021-03-26 13:42:14,506 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 696 places, 619 transitions, 33474 flow [2021-03-26 13:42:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:42:14,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:42:14,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:42:14,507 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:42:14,508 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:42:14,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:42:14,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:14,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:42:14,508 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) [2021-03-26 13:42:14,508 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) [2021-03-26 13:42:14,508 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) [2021-03-26 13:42:14,509 INFO L185 Difference]: Start difference. First operand has 689 places, 605 transitions, 31752 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:42:14,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 696 places, 619 transitions, 33474 flow [2021-03-26 13:42:16,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 692 places, 619 transitions, 32960 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-26 13:42:16,620 INFO L241 Difference]: Finished difference. Result has 694 places, 607 transitions, 31872 flow [2021-03-26 13:42:16,620 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} [2021-03-26 13:42:16,620 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 656 predicate places. [2021-03-26 13:42:16,620 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:16,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 694 places, 607 transitions, 31872 flow [2021-03-26 13:42:16,620 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 694 places, 607 transitions, 31872 flow [2021-03-26 13:42:16,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 694 places, 607 transitions, 31872 flow [2021-03-26 13:42:17,438 INFO L129 PetriNetUnfolder]: 224/3200 cut-off events. [2021-03-26 13:42:17,438 INFO L130 PetriNetUnfolder]: For 316602/317167 co-relation queries the response was YES. [2021-03-26 13:42:17,494 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. [2021-03-26 13:42:17,544 INFO L142 LiptonReduction]: Number of co-enabled transitions 4268 [2021-03-26 13:42:17,610 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:17,610 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:17,610 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 990 [2021-03-26 13:42:17,611 INFO L480 AbstractCegarLoop]: Abstraction has has 694 places, 607 transitions, 31872 flow [2021-03-26 13:42:17,611 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) [2021-03-26 13:42:17,611 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:17,611 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:17,611 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-03-26 13:42:17,611 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]=== [2021-03-26 13:42:17,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:17,611 INFO L82 PathProgramCache]: Analyzing trace with hash -2138594276, now seen corresponding path program 159 times [2021-03-26 13:42:17,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:17,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222179592] [2021-03-26 13:42:17,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:17,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:17,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:17,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:17,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:17,653 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:42:17,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:42:17,661 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:17,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:17,678 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:42:17,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:42:17,707 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:42:17,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:42:17,744 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:42:17,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:42:17,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:17,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222179592] [2021-03-26 13:42:17,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:17,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:42:17,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467408006] [2021-03-26 13:42:17,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:42:17,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:17,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:42:17,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:42:17,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:42:17,766 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) [2021-03-26 13:42:17,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:17,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:42:17,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:19,243 INFO L129 PetriNetUnfolder]: 264/3290 cut-off events. [2021-03-26 13:42:19,243 INFO L130 PetriNetUnfolder]: For 331314/332033 co-relation queries the response was YES. [2021-03-26 13:42:19,298 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. [2021-03-26 13:42:19,307 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 364 selfloop transitions, 239 changer transitions 0/617 dead transitions. [2021-03-26 13:42:19,307 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 701 places, 617 transitions, 33462 flow [2021-03-26 13:42:19,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:42:19,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:42:19,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:42:19,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:42:19,308 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:42:19,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:42:19,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:19,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:42:19,308 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) [2021-03-26 13:42:19,309 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) [2021-03-26 13:42:19,309 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) [2021-03-26 13:42:19,309 INFO L185 Difference]: Start difference. First operand has 694 places, 607 transitions, 31872 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:42:19,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 701 places, 617 transitions, 33462 flow [2021-03-26 13:42:21,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 698 places, 617 transitions, 32970 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-26 13:42:21,419 INFO L241 Difference]: Finished difference. Result has 699 places, 607 transitions, 31861 flow [2021-03-26 13:42:21,419 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} [2021-03-26 13:42:21,419 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 661 predicate places. [2021-03-26 13:42:21,419 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:21,419 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 699 places, 607 transitions, 31861 flow [2021-03-26 13:42:21,420 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 699 places, 607 transitions, 31861 flow [2021-03-26 13:42:21,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 699 places, 607 transitions, 31861 flow [2021-03-26 13:42:22,280 INFO L129 PetriNetUnfolder]: 224/3199 cut-off events. [2021-03-26 13:42:22,280 INFO L130 PetriNetUnfolder]: For 325340/325943 co-relation queries the response was YES. [2021-03-26 13:42:22,320 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. [2021-03-26 13:42:22,355 INFO L142 LiptonReduction]: Number of co-enabled transitions 4268 [2021-03-26 13:42:22,409 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:22,409 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:22,409 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 990 [2021-03-26 13:42:22,409 INFO L480 AbstractCegarLoop]: Abstraction has has 699 places, 607 transitions, 31861 flow [2021-03-26 13:42:22,410 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) [2021-03-26 13:42:22,410 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:22,410 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:22,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-03-26 13:42:22,410 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]=== [2021-03-26 13:42:22,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:22,410 INFO L82 PathProgramCache]: Analyzing trace with hash -615590052, now seen corresponding path program 160 times [2021-03-26 13:42:22,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:22,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620554306] [2021-03-26 13:42:22,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:22,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:22,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:22,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:22,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:22,423 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:42:22,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:42:22,431 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:22,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:22,443 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:42:22,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:42:22,459 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:42:22,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:42:22,481 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:42:22,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:42:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:22,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620554306] [2021-03-26 13:42:22,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:22,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:42:22,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757931639] [2021-03-26 13:42:22,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:42:22,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:22,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:42:22,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:42:22,503 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:42:22,503 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) [2021-03-26 13:42:22,503 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:22,503 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:42:22,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:23,884 INFO L129 PetriNetUnfolder]: 264/3289 cut-off events. [2021-03-26 13:42:23,884 INFO L130 PetriNetUnfolder]: For 339704/340445 co-relation queries the response was YES. [2021-03-26 13:42:23,938 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. [2021-03-26 13:42:23,947 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 365 selfloop transitions, 238 changer transitions 0/617 dead transitions. [2021-03-26 13:42:23,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 706 places, 617 transitions, 33459 flow [2021-03-26 13:42:23,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:42:23,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:42:23,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:42:23,948 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:42:23,948 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:42:23,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:42:23,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:23,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:42:23,949 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) [2021-03-26 13:42:23,951 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) [2021-03-26 13:42:23,951 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) [2021-03-26 13:42:23,952 INFO L185 Difference]: Start difference. First operand has 699 places, 607 transitions, 31861 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:42:23,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 706 places, 617 transitions, 33459 flow [2021-03-26 13:42:25,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 701 places, 617 transitions, 33007 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 13:42:25,916 INFO L241 Difference]: Finished difference. Result has 702 places, 607 transitions, 31888 flow [2021-03-26 13:42:25,917 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} [2021-03-26 13:42:25,917 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 664 predicate places. [2021-03-26 13:42:25,917 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:25,917 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 702 places, 607 transitions, 31888 flow [2021-03-26 13:42:25,917 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 702 places, 607 transitions, 31888 flow [2021-03-26 13:42:25,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 702 places, 607 transitions, 31888 flow [2021-03-26 13:42:26,671 INFO L129 PetriNetUnfolder]: 224/3198 cut-off events. [2021-03-26 13:42:26,671 INFO L130 PetriNetUnfolder]: For 334618/335336 co-relation queries the response was YES. [2021-03-26 13:42:26,717 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. [2021-03-26 13:42:26,757 INFO L142 LiptonReduction]: Number of co-enabled transitions 4268 [2021-03-26 13:42:26,812 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:26,812 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:26,812 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 895 [2021-03-26 13:42:26,813 INFO L480 AbstractCegarLoop]: Abstraction has has 702 places, 607 transitions, 31888 flow [2021-03-26 13:42:26,813 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) [2021-03-26 13:42:26,813 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:26,813 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:26,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-03-26 13:42:26,813 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]=== [2021-03-26 13:42:26,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:26,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1360292550, now seen corresponding path program 161 times [2021-03-26 13:42:26,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:26,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194152869] [2021-03-26 13:42:26,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:26,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:26,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:26,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:26,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:26,824 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:42:26,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:42:26,831 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:26,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:26,841 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:42:26,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:42:26,856 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:42:26,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:42:26,875 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:42:26,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:42:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:26,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194152869] [2021-03-26 13:42:26,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:26,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:42:26,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842772128] [2021-03-26 13:42:26,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:42:26,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:26,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:42:26,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:42:26,895 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:42:26,895 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) [2021-03-26 13:42:26,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:26,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:42:26,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:28,275 INFO L129 PetriNetUnfolder]: 264/3288 cut-off events. [2021-03-26 13:42:28,275 INFO L130 PetriNetUnfolder]: For 349100/349817 co-relation queries the response was YES. [2021-03-26 13:42:28,329 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. [2021-03-26 13:42:28,337 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 347 selfloop transitions, 211 changer transitions 45/617 dead transitions. [2021-03-26 13:42:28,337 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 709 places, 617 transitions, 33494 flow [2021-03-26 13:42:28,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:42:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:42:28,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:42:28,338 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:42:28,338 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:42:28,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:42:28,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:28,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:42:28,338 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) [2021-03-26 13:42:28,338 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) [2021-03-26 13:42:28,339 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) [2021-03-26 13:42:28,339 INFO L185 Difference]: Start difference. First operand has 702 places, 607 transitions, 31888 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:42:28,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 709 places, 617 transitions, 33494 flow [2021-03-26 13:42:30,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 705 places, 617 transitions, 33100 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 13:42:30,446 INFO L241 Difference]: Finished difference. Result has 706 places, 562 transitions, 28456 flow [2021-03-26 13:42:30,447 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} [2021-03-26 13:42:30,447 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 668 predicate places. [2021-03-26 13:42:30,447 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:30,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 706 places, 562 transitions, 28456 flow [2021-03-26 13:42:30,447 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 706 places, 562 transitions, 28456 flow [2021-03-26 13:42:30,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 562 transitions, 28456 flow [2021-03-26 13:42:31,134 INFO L129 PetriNetUnfolder]: 223/3043 cut-off events. [2021-03-26 13:42:31,134 INFO L130 PetriNetUnfolder]: For 323471/324031 co-relation queries the response was YES. [2021-03-26 13:42:31,188 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. [2021-03-26 13:42:31,228 INFO L142 LiptonReduction]: Number of co-enabled transitions 3774 [2021-03-26 13:42:31,283 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:31,283 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:31,283 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 836 [2021-03-26 13:42:31,283 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 562 transitions, 28456 flow [2021-03-26 13:42:31,283 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) [2021-03-26 13:42:31,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:31,283 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:31,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-03-26 13:42:31,284 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]=== [2021-03-26 13:42:31,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:31,284 INFO L82 PathProgramCache]: Analyzing trace with hash 2013043110, now seen corresponding path program 162 times [2021-03-26 13:42:31,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:31,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894263303] [2021-03-26 13:42:31,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:31,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:31,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:31,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:31,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:31,295 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:31,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:31,308 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:42:31,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:42:31,334 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:42:31,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:42:31,353 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:42:31,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:42:31,378 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:42:31,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:42:31,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:31,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894263303] [2021-03-26 13:42:31,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:31,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:42:31,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884232529] [2021-03-26 13:42:31,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:42:31,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:31,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:42:31,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:42:31,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:42:31,403 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) [2021-03-26 13:42:31,403 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:31,403 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:42:31,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:32,829 INFO L129 PetriNetUnfolder]: 263/3121 cut-off events. [2021-03-26 13:42:32,829 INFO L130 PetriNetUnfolder]: For 338502/338832 co-relation queries the response was YES. [2021-03-26 13:42:32,870 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. [2021-03-26 13:42:32,876 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 310 selfloop transitions, 239 changer transitions 11/574 dead transitions. [2021-03-26 13:42:32,876 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 574 transitions, 30032 flow [2021-03-26 13:42:32,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:42:32,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:42:32,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:42:32,877 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:42:32,877 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:42:32,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:42:32,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:32,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:42:32,878 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) [2021-03-26 13:42:32,878 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) [2021-03-26 13:42:32,878 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) [2021-03-26 13:42:32,878 INFO L185 Difference]: Start difference. First operand has 658 places, 562 transitions, 28456 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:42:32,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 574 transitions, 30032 flow [2021-03-26 13:42:34,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 574 transitions, 29235 flow, removed 258 selfloop flow, removed 36 redundant places. [2021-03-26 13:42:34,304 INFO L241 Difference]: Finished difference. Result has 630 places, 551 transitions, 27647 flow [2021-03-26 13:42:34,304 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} [2021-03-26 13:42:34,305 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 592 predicate places. [2021-03-26 13:42:34,305 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:34,305 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 630 places, 551 transitions, 27647 flow [2021-03-26 13:42:34,305 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 630 places, 551 transitions, 27647 flow [2021-03-26 13:42:34,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 624 places, 551 transitions, 27647 flow [2021-03-26 13:42:34,894 INFO L129 PetriNetUnfolder]: 222/3005 cut-off events. [2021-03-26 13:42:34,894 INFO L130 PetriNetUnfolder]: For 163026/163584 co-relation queries the response was YES. [2021-03-26 13:42:34,932 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. [2021-03-26 13:42:34,967 INFO L142 LiptonReduction]: Number of co-enabled transitions 3642 [2021-03-26 13:42:35,015 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:35,015 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:35,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 710 [2021-03-26 13:42:35,015 INFO L480 AbstractCegarLoop]: Abstraction has has 624 places, 551 transitions, 27647 flow [2021-03-26 13:42:35,015 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) [2021-03-26 13:42:35,015 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:35,015 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:35,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-03-26 13:42:35,015 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]=== [2021-03-26 13:42:35,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:35,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1859515920, now seen corresponding path program 163 times [2021-03-26 13:42:35,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:35,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197453350] [2021-03-26 13:42:35,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:35,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:35,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:35,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:35,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:35,026 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:35,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:35,039 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:42:35,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:42:35,055 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:42:35,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:42:35,070 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:42:35,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:42:35,088 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:42:35,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:42:35,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:35,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197453350] [2021-03-26 13:42:35,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:35,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:42:35,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907775271] [2021-03-26 13:42:35,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:42:35,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:35,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:42:35,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:42:35,107 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:42:35,108 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) [2021-03-26 13:42:35,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:35,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:42:35,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:36,227 INFO L129 PetriNetUnfolder]: 262/3095 cut-off events. [2021-03-26 13:42:36,228 INFO L130 PetriNetUnfolder]: For 168661/168727 co-relation queries the response was YES. [2021-03-26 13:42:36,266 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. [2021-03-26 13:42:36,273 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 303 selfloop transitions, 253 changer transitions 0/570 dead transitions. [2021-03-26 13:42:36,273 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 631 places, 570 transitions, 29357 flow [2021-03-26 13:42:36,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:42:36,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:42:36,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:42:36,274 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:42:36,274 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:42:36,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:42:36,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:36,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:42:36,275 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) [2021-03-26 13:42:36,275 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) [2021-03-26 13:42:36,275 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) [2021-03-26 13:42:36,275 INFO L185 Difference]: Start difference. First operand has 624 places, 551 transitions, 27647 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:42:36,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 631 places, 570 transitions, 29357 flow [2021-03-26 13:42:37,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 616 places, 570 transitions, 28791 flow, removed 31 selfloop flow, removed 15 redundant places. [2021-03-26 13:42:37,479 INFO L241 Difference]: Finished difference. Result has 619 places, 557 transitions, 27998 flow [2021-03-26 13:42:37,479 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} [2021-03-26 13:42:37,479 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 581 predicate places. [2021-03-26 13:42:37,479 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:37,479 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 619 places, 557 transitions, 27998 flow [2021-03-26 13:42:37,479 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 619 places, 557 transitions, 27998 flow [2021-03-26 13:42:37,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 619 places, 557 transitions, 27998 flow [2021-03-26 13:42:38,119 INFO L129 PetriNetUnfolder]: 222/3004 cut-off events. [2021-03-26 13:42:38,119 INFO L130 PetriNetUnfolder]: For 152190/152711 co-relation queries the response was YES. [2021-03-26 13:42:38,151 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. [2021-03-26 13:42:38,180 INFO L142 LiptonReduction]: Number of co-enabled transitions 3670 [2021-03-26 13:42:38,223 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:38,223 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:38,223 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 744 [2021-03-26 13:42:38,223 INFO L480 AbstractCegarLoop]: Abstraction has has 619 places, 557 transitions, 27998 flow [2021-03-26 13:42:38,223 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) [2021-03-26 13:42:38,224 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:38,224 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:38,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-03-26 13:42:38,224 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]=== [2021-03-26 13:42:38,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:38,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1671105896, now seen corresponding path program 164 times [2021-03-26 13:42:38,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:38,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059558451] [2021-03-26 13:42:38,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:38,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:38,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:38,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:38,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:38,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:38,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:42:38,241 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:42:38,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:42:38,259 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:42:38,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:42:38,281 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:42:38,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:42:38,301 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:42:38,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:42:38,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:38,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059558451] [2021-03-26 13:42:38,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:38,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:42:38,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356463082] [2021-03-26 13:42:38,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:42:38,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:38,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:42:38,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:42:38,320 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:42:38,320 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) [2021-03-26 13:42:38,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:38,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:42:38,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:39,591 INFO L129 PetriNetUnfolder]: 292/3581 cut-off events. [2021-03-26 13:42:39,591 INFO L130 PetriNetUnfolder]: For 178610/178676 co-relation queries the response was YES. [2021-03-26 13:42:39,632 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. [2021-03-26 13:42:39,639 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 423 selfloop transitions, 255 changer transitions 2/694 dead transitions. [2021-03-26 13:42:39,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 626 places, 694 transitions, 35266 flow [2021-03-26 13:42:39,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:42:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:42:39,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:42:39,640 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:42:39,640 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:42:39,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:42:39,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:39,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:42:39,641 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) [2021-03-26 13:42:39,641 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) [2021-03-26 13:42:39,641 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) [2021-03-26 13:42:39,641 INFO L185 Difference]: Start difference. First operand has 619 places, 557 transitions, 27998 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:42:39,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 626 places, 694 transitions, 35266 flow [2021-03-26 13:42:40,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 623 places, 694 transitions, 34686 flow, removed 13 selfloop flow, removed 3 redundant places. [2021-03-26 13:42:40,947 INFO L241 Difference]: Finished difference. Result has 629 places, 596 transitions, 30364 flow [2021-03-26 13:42:40,948 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} [2021-03-26 13:42:40,948 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 591 predicate places. [2021-03-26 13:42:40,948 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:40,948 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 629 places, 596 transitions, 30364 flow [2021-03-26 13:42:40,948 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 629 places, 596 transitions, 30364 flow [2021-03-26 13:42:40,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 596 transitions, 30364 flow [2021-03-26 13:42:41,672 INFO L129 PetriNetUnfolder]: 260/3509 cut-off events. [2021-03-26 13:42:41,672 INFO L130 PetriNetUnfolder]: For 184199/184476 co-relation queries the response was YES. [2021-03-26 13:42:41,713 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. [2021-03-26 13:42:41,749 INFO L142 LiptonReduction]: Number of co-enabled transitions 3896 [2021-03-26 13:42:41,801 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:41,801 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:41,801 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 853 [2021-03-26 13:42:41,802 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 596 transitions, 30364 flow [2021-03-26 13:42:41,802 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) [2021-03-26 13:42:41,802 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:41,802 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:41,802 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-03-26 13:42:41,802 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]=== [2021-03-26 13:42:41,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:41,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1907288762, now seen corresponding path program 165 times [2021-03-26 13:42:41,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:41,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485104630] [2021-03-26 13:42:41,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:41,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:41,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:41,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:41,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:41,812 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:41,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:41,825 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:42:41,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:42:41,840 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:42:41,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:42:41,861 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:42:41,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:42:41,880 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:42:41,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:42:41,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:41,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485104630] [2021-03-26 13:42:41,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:41,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:42:41,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360098300] [2021-03-26 13:42:41,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:42:41,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:41,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:42:41,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:42:41,899 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:42:41,899 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) [2021-03-26 13:42:41,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:41,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:42:41,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:43,296 INFO L129 PetriNetUnfolder]: 291/3571 cut-off events. [2021-03-26 13:42:43,296 INFO L130 PetriNetUnfolder]: For 188739/188823 co-relation queries the response was YES. [2021-03-26 13:42:43,339 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. [2021-03-26 13:42:43,345 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 305 selfloop transitions, 289 changer transitions 3/611 dead transitions. [2021-03-26 13:42:43,346 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 635 places, 611 transitions, 31921 flow [2021-03-26 13:42:43,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:42:43,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:42:43,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:42:43,346 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:42:43,346 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:42:43,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:42:43,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:43,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:42:43,347 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) [2021-03-26 13:42:43,347 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) [2021-03-26 13:42:43,347 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) [2021-03-26 13:42:43,347 INFO L185 Difference]: Start difference. First operand has 628 places, 596 transitions, 30364 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:42:43,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 635 places, 611 transitions, 31921 flow [2021-03-26 13:42:44,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 611 transitions, 31813 flow, removed 15 selfloop flow, removed 3 redundant places. [2021-03-26 13:42:44,671 INFO L241 Difference]: Finished difference. Result has 635 places, 595 transitions, 30846 flow [2021-03-26 13:42:44,671 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} [2021-03-26 13:42:44,671 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 597 predicate places. [2021-03-26 13:42:44,671 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:44,671 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 635 places, 595 transitions, 30846 flow [2021-03-26 13:42:44,671 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 635 places, 595 transitions, 30846 flow [2021-03-26 13:42:44,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 634 places, 595 transitions, 30846 flow [2021-03-26 13:42:45,403 INFO L129 PetriNetUnfolder]: 259/3498 cut-off events. [2021-03-26 13:42:45,403 INFO L130 PetriNetUnfolder]: For 187111/187428 co-relation queries the response was YES. [2021-03-26 13:42:45,446 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. [2021-03-26 13:42:45,484 INFO L142 LiptonReduction]: Number of co-enabled transitions 3892 [2021-03-26 13:42:45,537 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:45,537 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:45,537 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 866 [2021-03-26 13:42:45,538 INFO L480 AbstractCegarLoop]: Abstraction has has 634 places, 595 transitions, 30846 flow [2021-03-26 13:42:45,538 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) [2021-03-26 13:42:45,538 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:45,538 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:45,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-03-26 13:42:45,538 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]=== [2021-03-26 13:42:45,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:45,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1122740500, now seen corresponding path program 166 times [2021-03-26 13:42:45,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:45,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871575031] [2021-03-26 13:42:45,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:45,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:45,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:45,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:45,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:45,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:45,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:42:45,554 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:42:45,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:42:45,573 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:42:45,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:42:45,595 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:42:45,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:42:45,614 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:42:45,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:42:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:45,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871575031] [2021-03-26 13:42:45,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:45,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:42:45,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149357676] [2021-03-26 13:42:45,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:42:45,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:45,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:42:45,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:42:45,633 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:42:45,633 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) [2021-03-26 13:42:45,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:45,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:42:45,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:47,077 INFO L129 PetriNetUnfolder]: 297/3697 cut-off events. [2021-03-26 13:42:47,077 INFO L130 PetriNetUnfolder]: For 197728/197816 co-relation queries the response was YES. [2021-03-26 13:42:47,124 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. [2021-03-26 13:42:47,132 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 420 selfloop transitions, 257 changer transitions 2/693 dead transitions. [2021-03-26 13:42:47,133 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 641 places, 693 transitions, 36350 flow [2021-03-26 13:42:47,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:42:47,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:42:47,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:42:47,133 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:42:47,134 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:42:47,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:42:47,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:47,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:42:47,134 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) [2021-03-26 13:42:47,134 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) [2021-03-26 13:42:47,134 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) [2021-03-26 13:42:47,134 INFO L185 Difference]: Start difference. First operand has 634 places, 595 transitions, 30846 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:42:47,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 641 places, 693 transitions, 36350 flow [2021-03-26 13:42:48,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 635 places, 693 transitions, 35712 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 13:42:48,838 INFO L241 Difference]: Finished difference. Result has 641 places, 622 transitions, 32444 flow [2021-03-26 13:42:48,838 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} [2021-03-26 13:42:48,838 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 603 predicate places. [2021-03-26 13:42:48,838 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:48,838 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 641 places, 622 transitions, 32444 flow [2021-03-26 13:42:48,838 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 641 places, 622 transitions, 32444 flow [2021-03-26 13:42:48,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 640 places, 622 transitions, 32444 flow [2021-03-26 13:42:49,604 INFO L129 PetriNetUnfolder]: 271/3637 cut-off events. [2021-03-26 13:42:49,605 INFO L130 PetriNetUnfolder]: For 200032/200251 co-relation queries the response was YES. [2021-03-26 13:42:49,653 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. [2021-03-26 13:42:49,696 INFO L142 LiptonReduction]: Number of co-enabled transitions 4018 [2021-03-26 13:42:49,752 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:49,752 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:49,752 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 914 [2021-03-26 13:42:49,753 INFO L480 AbstractCegarLoop]: Abstraction has has 640 places, 622 transitions, 32444 flow [2021-03-26 13:42:49,753 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) [2021-03-26 13:42:49,753 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:49,753 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:49,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-03-26 13:42:49,753 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]=== [2021-03-26 13:42:49,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:49,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1678057242, now seen corresponding path program 167 times [2021-03-26 13:42:49,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:49,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356289950] [2021-03-26 13:42:49,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:49,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:49,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:49,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:49,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:49,764 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:49,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:49,777 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:42:49,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:42:49,793 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:42:49,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:42:49,814 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:42:49,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:42:49,835 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:42:49,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:42:49,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:49,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356289950] [2021-03-26 13:42:49,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:49,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:42:49,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928829834] [2021-03-26 13:42:49,854 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:42:49,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:49,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:42:49,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:42:49,854 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:42:49,855 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) [2021-03-26 13:42:49,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:49,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:42:49,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:51,350 INFO L129 PetriNetUnfolder]: 297/3716 cut-off events. [2021-03-26 13:42:51,350 INFO L130 PetriNetUnfolder]: For 206000/206143 co-relation queries the response was YES. [2021-03-26 13:42:51,396 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. [2021-03-26 13:42:51,404 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 312 selfloop transitions, 311 changer transitions 2/639 dead transitions. [2021-03-26 13:42:51,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 639 transitions, 34245 flow [2021-03-26 13:42:51,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:42:51,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:42:51,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:42:51,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:42:51,405 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:42:51,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:42:51,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:51,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:42:51,406 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) [2021-03-26 13:42:51,406 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) [2021-03-26 13:42:51,406 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) [2021-03-26 13:42:51,406 INFO L185 Difference]: Start difference. First operand has 640 places, 622 transitions, 32444 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:42:51,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 639 transitions, 34245 flow [2021-03-26 13:42:52,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 639 transitions, 33992 flow, removed 52 selfloop flow, removed 3 redundant places. [2021-03-26 13:42:52,984 INFO L241 Difference]: Finished difference. Result has 648 places, 625 transitions, 33014 flow [2021-03-26 13:42:52,984 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} [2021-03-26 13:42:52,985 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 610 predicate places. [2021-03-26 13:42:52,985 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:52,985 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 648 places, 625 transitions, 33014 flow [2021-03-26 13:42:52,985 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 648 places, 625 transitions, 33014 flow [2021-03-26 13:42:52,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 647 places, 625 transitions, 33014 flow [2021-03-26 13:42:53,786 INFO L129 PetriNetUnfolder]: 273/3660 cut-off events. [2021-03-26 13:42:53,786 INFO L130 PetriNetUnfolder]: For 204016/204189 co-relation queries the response was YES. [2021-03-26 13:42:53,837 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. [2021-03-26 13:42:53,877 INFO L142 LiptonReduction]: Number of co-enabled transitions 4030 [2021-03-26 13:42:53,935 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:53,935 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:53,935 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 950 [2021-03-26 13:42:53,936 INFO L480 AbstractCegarLoop]: Abstraction has has 647 places, 625 transitions, 33014 flow [2021-03-26 13:42:53,936 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) [2021-03-26 13:42:53,936 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:53,936 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:53,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-03-26 13:42:53,936 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]=== [2021-03-26 13:42:53,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:53,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1416545170, now seen corresponding path program 168 times [2021-03-26 13:42:53,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:53,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554086581] [2021-03-26 13:42:53,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:53,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:53,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:53,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:53,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:53,946 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:53,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:53,959 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:42:53,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:42:53,978 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:42:53,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:42:53,999 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:42:54,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:42:54,018 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:42:54,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:42:54,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:54,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554086581] [2021-03-26 13:42:54,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:54,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:42:54,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319666380] [2021-03-26 13:42:54,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:42:54,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:54,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:42:54,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:42:54,037 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:42:54,038 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) [2021-03-26 13:42:54,038 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:54,038 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:42:54,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:55,533 INFO L129 PetriNetUnfolder]: 296/3706 cut-off events. [2021-03-26 13:42:55,533 INFO L130 PetriNetUnfolder]: For 208934/209077 co-relation queries the response was YES. [2021-03-26 13:42:55,581 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. [2021-03-26 13:42:55,591 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 346 selfloop transitions, 295 changer transitions 2/657 dead transitions. [2021-03-26 13:42:55,591 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 657 transitions, 35566 flow [2021-03-26 13:42:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:42:55,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:42:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:42:55,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:42:55,592 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:42:55,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:42:55,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:55,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:42:55,592 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) [2021-03-26 13:42:55,593 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) [2021-03-26 13:42:55,593 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) [2021-03-26 13:42:55,593 INFO L185 Difference]: Start difference. First operand has 647 places, 625 transitions, 33014 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:42:55,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 657 transitions, 35566 flow [2021-03-26 13:42:57,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 657 transitions, 34977 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 13:42:57,298 INFO L241 Difference]: Finished difference. Result has 653 places, 631 transitions, 33487 flow [2021-03-26 13:42:57,299 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} [2021-03-26 13:42:57,299 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 615 predicate places. [2021-03-26 13:42:57,299 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:57,299 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 653 places, 631 transitions, 33487 flow [2021-03-26 13:42:57,299 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 653 places, 631 transitions, 33487 flow [2021-03-26 13:42:57,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 652 places, 631 transitions, 33487 flow [2021-03-26 13:42:58,159 INFO L129 PetriNetUnfolder]: 272/3650 cut-off events. [2021-03-26 13:42:58,159 INFO L130 PetriNetUnfolder]: For 207771/207962 co-relation queries the response was YES. [2021-03-26 13:42:58,219 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. [2021-03-26 13:42:58,262 INFO L142 LiptonReduction]: Number of co-enabled transitions 4068 [2021-03-26 13:42:58,429 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:58,429 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:58,429 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1130 [2021-03-26 13:42:58,429 INFO L480 AbstractCegarLoop]: Abstraction has has 652 places, 631 transitions, 33487 flow [2021-03-26 13:42:58,429 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) [2021-03-26 13:42:58,429 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:58,430 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:58,430 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-03-26 13:42:58,430 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]=== [2021-03-26 13:42:58,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:58,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1872207556, now seen corresponding path program 169 times [2021-03-26 13:42:58,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:58,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533451995] [2021-03-26 13:42:58,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:58,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:58,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:58,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:58,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:58,453 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:42:58,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:42:58,468 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:42:58,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:42:58,486 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:42:58,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:42:58,512 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:42:58,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:42:58,535 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:42:58,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:42:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:58,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533451995] [2021-03-26 13:42:58,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:58,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:42:58,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932578576] [2021-03-26 13:42:58,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:42:58,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:58,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:42:58,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:42:58,559 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:42:58,559 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) [2021-03-26 13:42:58,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:58,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:42:58,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:00,173 INFO L129 PetriNetUnfolder]: 295/3696 cut-off events. [2021-03-26 13:43:00,173 INFO L130 PetriNetUnfolder]: For 213316/213508 co-relation queries the response was YES. [2021-03-26 13:43:00,222 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. [2021-03-26 13:43:00,231 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 310 selfloop transitions, 316 changer transitions 2/642 dead transitions. [2021-03-26 13:43:00,232 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 659 places, 642 transitions, 35058 flow [2021-03-26 13:43:00,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:43:00,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:43:00,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:43:00,232 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:43:00,232 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:43:00,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:43:00,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:00,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:43:00,233 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) [2021-03-26 13:43:00,233 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) [2021-03-26 13:43:00,233 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) [2021-03-26 13:43:00,233 INFO L185 Difference]: Start difference. First operand has 652 places, 631 transitions, 33487 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:43:00,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 659 places, 642 transitions, 35058 flow [2021-03-26 13:43:01,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 656 places, 642 transitions, 34602 flow, removed 27 selfloop flow, removed 3 redundant places. [2021-03-26 13:43:01,923 INFO L241 Difference]: Finished difference. Result has 658 places, 632 transitions, 33751 flow [2021-03-26 13:43:01,923 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} [2021-03-26 13:43:01,923 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 620 predicate places. [2021-03-26 13:43:01,923 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:01,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 632 transitions, 33751 flow [2021-03-26 13:43:01,923 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 632 transitions, 33751 flow [2021-03-26 13:43:01,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 657 places, 632 transitions, 33751 flow [2021-03-26 13:43:02,775 INFO L129 PetriNetUnfolder]: 271/3640 cut-off events. [2021-03-26 13:43:02,775 INFO L130 PetriNetUnfolder]: For 207466/207650 co-relation queries the response was YES. [2021-03-26 13:43:02,824 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. [2021-03-26 13:43:02,869 INFO L142 LiptonReduction]: Number of co-enabled transitions 4060 [2021-03-26 13:43:02,931 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:02,932 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:02,932 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1009 [2021-03-26 13:43:02,932 INFO L480 AbstractCegarLoop]: Abstraction has has 657 places, 632 transitions, 33751 flow [2021-03-26 13:43:02,932 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) [2021-03-26 13:43:02,932 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:02,932 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:43:02,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-03-26 13:43:02,932 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]=== [2021-03-26 13:43:02,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:02,932 INFO L82 PathProgramCache]: Analyzing trace with hash 187039396, now seen corresponding path program 170 times [2021-03-26 13:43:02,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:02,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346116069] [2021-03-26 13:43:02,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:02,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:02,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:02,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:02,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:02,943 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:02,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:02,956 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:43:02,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:43:02,972 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:43:02,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:43:02,988 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:43:02,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:43:03,007 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:43:03,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:43:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:43:03,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346116069] [2021-03-26 13:43:03,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:03,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:43:03,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409481456] [2021-03-26 13:43:03,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:43:03,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:03,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:43:03,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:43:03,026 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:43:03,027 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) [2021-03-26 13:43:03,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:03,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:43:03,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:04,577 INFO L129 PetriNetUnfolder]: 294/3686 cut-off events. [2021-03-26 13:43:04,577 INFO L130 PetriNetUnfolder]: For 212797/212989 co-relation queries the response was YES. [2021-03-26 13:43:04,632 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. [2021-03-26 13:43:04,640 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 304 selfloop transitions, 316 changer transitions 6/640 dead transitions. [2021-03-26 13:43:04,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 664 places, 640 transitions, 35147 flow [2021-03-26 13:43:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:43:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:43:04,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:43:04,641 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:43:04,641 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:43:04,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:43:04,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:04,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:43:04,641 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) [2021-03-26 13:43:04,641 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) [2021-03-26 13:43:04,641 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) [2021-03-26 13:43:04,642 INFO L185 Difference]: Start difference. First operand has 657 places, 632 transitions, 33751 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:43:04,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 664 places, 640 transitions, 35147 flow [2021-03-26 13:43:06,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 658 places, 640 transitions, 34502 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-03-26 13:43:06,343 INFO L241 Difference]: Finished difference. Result has 659 places, 626 transitions, 33435 flow [2021-03-26 13:43:06,343 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} [2021-03-26 13:43:06,343 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 621 predicate places. [2021-03-26 13:43:06,343 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:06,343 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 659 places, 626 transitions, 33435 flow [2021-03-26 13:43:06,344 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 659 places, 626 transitions, 33435 flow [2021-03-26 13:43:06,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 655 places, 626 transitions, 33435 flow [2021-03-26 13:43:07,190 INFO L129 PetriNetUnfolder]: 270/3623 cut-off events. [2021-03-26 13:43:07,191 INFO L130 PetriNetUnfolder]: For 206340/206548 co-relation queries the response was YES. [2021-03-26 13:43:07,239 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. [2021-03-26 13:43:07,282 INFO L142 LiptonReduction]: Number of co-enabled transitions 3996 [2021-03-26 13:43:07,345 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:07,345 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:07,345 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1002 [2021-03-26 13:43:07,345 INFO L480 AbstractCegarLoop]: Abstraction has has 655 places, 626 transitions, 33435 flow [2021-03-26 13:43:07,345 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) [2021-03-26 13:43:07,345 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:07,345 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:43:07,346 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-03-26 13:43:07,346 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]=== [2021-03-26 13:43:07,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:07,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1425626012, now seen corresponding path program 171 times [2021-03-26 13:43:07,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:07,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018691476] [2021-03-26 13:43:07,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:07,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:07,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:07,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:07,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:07,356 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:07,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:07,369 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:07,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:07,388 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:43:07,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:43:07,414 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:43:07,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:43:07,433 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:43:07,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:43:07,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:43:07,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018691476] [2021-03-26 13:43:07,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:07,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:43:07,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215623584] [2021-03-26 13:43:07,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:43:07,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:07,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:43:07,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:43:07,453 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:43:07,453 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) [2021-03-26 13:43:07,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:07,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:43:07,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:09,123 INFO L129 PetriNetUnfolder]: 293/3669 cut-off events. [2021-03-26 13:43:09,123 INFO L130 PetriNetUnfolder]: For 211520/211708 co-relation queries the response was YES. [2021-03-26 13:43:09,167 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. [2021-03-26 13:43:09,174 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 319 selfloop transitions, 309 changer transitions 2/644 dead transitions. [2021-03-26 13:43:09,174 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 662 places, 644 transitions, 35328 flow [2021-03-26 13:43:09,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:43:09,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:43:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:43:09,175 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:43:09,175 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:43:09,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:43:09,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:09,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:43:09,175 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) [2021-03-26 13:43:09,176 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) [2021-03-26 13:43:09,176 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) [2021-03-26 13:43:09,176 INFO L185 Difference]: Start difference. First operand has 655 places, 626 transitions, 33435 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:43:09,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 662 places, 644 transitions, 35328 flow [2021-03-26 13:43:10,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 644 transitions, 34651 flow, removed 19 selfloop flow, removed 8 redundant places. [2021-03-26 13:43:10,751 INFO L241 Difference]: Finished difference. Result has 658 places, 629 transitions, 33623 flow [2021-03-26 13:43:10,752 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} [2021-03-26 13:43:10,752 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 620 predicate places. [2021-03-26 13:43:10,752 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:10,752 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 629 transitions, 33623 flow [2021-03-26 13:43:10,752 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 629 transitions, 33623 flow [2021-03-26 13:43:10,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 657 places, 629 transitions, 33623 flow [2021-03-26 13:43:11,563 INFO L129 PetriNetUnfolder]: 269/3613 cut-off events. [2021-03-26 13:43:11,564 INFO L130 PetriNetUnfolder]: For 204649/204855 co-relation queries the response was YES. [2021-03-26 13:43:11,610 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. [2021-03-26 13:43:11,653 INFO L142 LiptonReduction]: Number of co-enabled transitions 4010 [2021-03-26 13:43:11,712 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:11,712 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:11,713 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 961 [2021-03-26 13:43:11,713 INFO L480 AbstractCegarLoop]: Abstraction has has 657 places, 629 transitions, 33623 flow [2021-03-26 13:43:11,713 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) [2021-03-26 13:43:11,713 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:11,713 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:43:11,713 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-03-26 13:43:11,713 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]=== [2021-03-26 13:43:11,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:11,713 INFO L82 PathProgramCache]: Analyzing trace with hash -115841564, now seen corresponding path program 172 times [2021-03-26 13:43:11,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:11,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356363860] [2021-03-26 13:43:11,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:11,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:11,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:11,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:11,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:11,723 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:11,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:11,736 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:11,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:11,755 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:43:11,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:43:11,780 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:43:11,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:43:11,799 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:43:11,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:43:11,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:43:11,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356363860] [2021-03-26 13:43:11,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:11,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:43:11,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585415556] [2021-03-26 13:43:11,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:43:11,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:11,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:43:11,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:43:11,818 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:43:11,818 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) [2021-03-26 13:43:11,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:11,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:43:11,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:13,368 INFO L129 PetriNetUnfolder]: 292/3657 cut-off events. [2021-03-26 13:43:13,369 INFO L130 PetriNetUnfolder]: For 209463/209651 co-relation queries the response was YES. [2021-03-26 13:43:13,416 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. [2021-03-26 13:43:13,423 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 318 selfloop transitions, 307 changer transitions 3/642 dead transitions. [2021-03-26 13:43:13,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 664 places, 642 transitions, 35251 flow [2021-03-26 13:43:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:43:13,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:43:13,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:43:13,424 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:43:13,424 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:43:13,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:43:13,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:13,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:43:13,425 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) [2021-03-26 13:43:13,425 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) [2021-03-26 13:43:13,425 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) [2021-03-26 13:43:13,425 INFO L185 Difference]: Start difference. First operand has 657 places, 629 transitions, 33623 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:43:13,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 664 places, 642 transitions, 35251 flow [2021-03-26 13:43:15,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 659 places, 642 transitions, 34675 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-26 13:43:15,163 INFO L241 Difference]: Finished difference. Result has 661 places, 627 transitions, 33589 flow [2021-03-26 13:43:15,163 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} [2021-03-26 13:43:15,163 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 623 predicate places. [2021-03-26 13:43:15,163 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:15,163 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 661 places, 627 transitions, 33589 flow [2021-03-26 13:43:15,164 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 661 places, 627 transitions, 33589 flow [2021-03-26 13:43:15,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 660 places, 627 transitions, 33589 flow [2021-03-26 13:43:15,991 INFO L129 PetriNetUnfolder]: 268/3602 cut-off events. [2021-03-26 13:43:15,991 INFO L130 PetriNetUnfolder]: For 204202/204370 co-relation queries the response was YES. [2021-03-26 13:43:16,041 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. [2021-03-26 13:43:16,084 INFO L142 LiptonReduction]: Number of co-enabled transitions 4006 [2021-03-26 13:43:16,142 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:16,142 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:16,142 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 979 [2021-03-26 13:43:16,143 INFO L480 AbstractCegarLoop]: Abstraction has has 660 places, 627 transitions, 33589 flow [2021-03-26 13:43:16,143 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) [2021-03-26 13:43:16,143 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:16,143 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:43:16,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-03-26 13:43:16,143 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]=== [2021-03-26 13:43:16,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:16,143 INFO L82 PathProgramCache]: Analyzing trace with hash -781931664, now seen corresponding path program 173 times [2021-03-26 13:43:16,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:16,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761794805] [2021-03-26 13:43:16,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:16,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:16,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:16,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:16,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:16,154 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:16,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:16,167 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:16,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:16,188 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:43:16,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:43:16,209 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:43:16,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:43:16,229 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:43:16,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:43:16,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:43:16,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761794805] [2021-03-26 13:43:16,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:16,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:43:16,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009546524] [2021-03-26 13:43:16,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:43:16,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:16,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:43:16,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:43:16,249 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:43:16,249 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) [2021-03-26 13:43:16,249 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:16,249 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:43:16,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:17,883 INFO L129 PetriNetUnfolder]: 291/3648 cut-off events. [2021-03-26 13:43:17,883 INFO L130 PetriNetUnfolder]: For 208965/209153 co-relation queries the response was YES. [2021-03-26 13:43:17,933 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. [2021-03-26 13:43:17,941 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 311 selfloop transitions, 311 changer transitions 3/639 dead transitions. [2021-03-26 13:43:17,941 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 639 transitions, 35181 flow [2021-03-26 13:43:17,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:43:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:43:17,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:43:17,942 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:43:17,942 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:43:17,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:43:17,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:17,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:43:17,943 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) [2021-03-26 13:43:17,944 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) [2021-03-26 13:43:17,944 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) [2021-03-26 13:43:17,944 INFO L185 Difference]: Start difference. First operand has 660 places, 627 transitions, 33589 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:43:17,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 667 places, 639 transitions, 35181 flow [2021-03-26 13:43:19,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 639 transitions, 34569 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:43:19,654 INFO L241 Difference]: Finished difference. Result has 663 places, 624 transitions, 33481 flow [2021-03-26 13:43:19,654 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} [2021-03-26 13:43:19,655 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 625 predicate places. [2021-03-26 13:43:19,655 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:19,655 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 663 places, 624 transitions, 33481 flow [2021-03-26 13:43:19,655 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 663 places, 624 transitions, 33481 flow [2021-03-26 13:43:19,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 661 places, 624 transitions, 33481 flow [2021-03-26 13:43:20,492 INFO L129 PetriNetUnfolder]: 267/3591 cut-off events. [2021-03-26 13:43:20,493 INFO L130 PetriNetUnfolder]: For 203709/203877 co-relation queries the response was YES. [2021-03-26 13:43:20,541 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. [2021-03-26 13:43:20,583 INFO L142 LiptonReduction]: Number of co-enabled transitions 3998 [2021-03-26 13:43:20,641 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:20,641 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:20,642 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 987 [2021-03-26 13:43:20,642 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 624 transitions, 33481 flow [2021-03-26 13:43:20,642 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) [2021-03-26 13:43:20,642 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:20,642 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:43:20,642 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-03-26 13:43:20,642 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]=== [2021-03-26 13:43:20,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:20,642 INFO L82 PathProgramCache]: Analyzing trace with hash -2063953880, now seen corresponding path program 174 times [2021-03-26 13:43:20,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:20,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030840217] [2021-03-26 13:43:20,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:20,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:20,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:20,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:20,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:20,653 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:20,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:20,666 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:20,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:20,685 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:43:20,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:43:20,700 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:43:20,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:43:20,720 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:43:20,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:43:20,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:43:20,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030840217] [2021-03-26 13:43:20,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:20,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:43:20,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607653220] [2021-03-26 13:43:20,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:43:20,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:20,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:43:20,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:43:20,739 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:43:20,739 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) [2021-03-26 13:43:20,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:20,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:43:20,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:22,207 INFO L129 PetriNetUnfolder]: 290/3637 cut-off events. [2021-03-26 13:43:22,207 INFO L130 PetriNetUnfolder]: For 208570/208762 co-relation queries the response was YES. [2021-03-26 13:43:22,256 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. [2021-03-26 13:43:22,264 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 313 selfloop transitions, 309 changer transitions 0/636 dead transitions. [2021-03-26 13:43:22,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 668 places, 636 transitions, 35067 flow [2021-03-26 13:43:22,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:43:22,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:43:22,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:43:22,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:43:22,266 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:43:22,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:43:22,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:22,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:43:22,266 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) [2021-03-26 13:43:22,266 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) [2021-03-26 13:43:22,266 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) [2021-03-26 13:43:22,266 INFO L185 Difference]: Start difference. First operand has 661 places, 624 transitions, 33481 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:43:22,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 668 places, 636 transitions, 35067 flow [2021-03-26 13:43:23,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 636 transitions, 34434 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-26 13:43:23,890 INFO L241 Difference]: Finished difference. Result has 664 places, 628 transitions, 33738 flow [2021-03-26 13:43:23,891 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} [2021-03-26 13:43:23,891 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 626 predicate places. [2021-03-26 13:43:23,891 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:23,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 664 places, 628 transitions, 33738 flow [2021-03-26 13:43:23,891 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 664 places, 628 transitions, 33738 flow [2021-03-26 13:43:23,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 664 places, 628 transitions, 33738 flow [2021-03-26 13:43:24,703 INFO L129 PetriNetUnfolder]: 267/3590 cut-off events. [2021-03-26 13:43:24,703 INFO L130 PetriNetUnfolder]: For 205142/205334 co-relation queries the response was YES. [2021-03-26 13:43:24,749 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. [2021-03-26 13:43:24,789 INFO L142 LiptonReduction]: Number of co-enabled transitions 4010 [2021-03-26 13:43:24,848 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:24,848 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:24,848 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 957 [2021-03-26 13:43:24,848 INFO L480 AbstractCegarLoop]: Abstraction has has 664 places, 628 transitions, 33738 flow [2021-03-26 13:43:24,848 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) [2021-03-26 13:43:24,848 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:24,849 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:43:24,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-03-26 13:43:24,849 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]=== [2021-03-26 13:43:24,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:24,849 INFO L82 PathProgramCache]: Analyzing trace with hash 728479540, now seen corresponding path program 175 times [2021-03-26 13:43:24,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:24,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508074517] [2021-03-26 13:43:24,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:24,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:24,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:24,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:24,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:24,860 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:24,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:24,873 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:24,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:24,891 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:43:24,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:43:24,906 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:43:24,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:43:24,925 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:43:24,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:43:24,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:43:24,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508074517] [2021-03-26 13:43:24,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:24,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:43:24,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62982693] [2021-03-26 13:43:24,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:43:24,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:24,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:43:24,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:43:24,944 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:43:24,944 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) [2021-03-26 13:43:24,944 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:24,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:43:24,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:26,382 INFO L129 PetriNetUnfolder]: 290/3636 cut-off events. [2021-03-26 13:43:26,383 INFO L130 PetriNetUnfolder]: For 209734/209926 co-relation queries the response was YES. [2021-03-26 13:43:26,429 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. [2021-03-26 13:43:26,437 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 313 selfloop transitions, 303 changer transitions 6/636 dead transitions. [2021-03-26 13:43:26,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 636 transitions, 35118 flow [2021-03-26 13:43:26,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:43:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:43:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:43:26,438 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:43:26,438 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:43:26,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:43:26,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:26,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:43:26,439 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) [2021-03-26 13:43:26,439 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) [2021-03-26 13:43:26,440 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) [2021-03-26 13:43:26,440 INFO L185 Difference]: Start difference. First operand has 664 places, 628 transitions, 33738 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:43:26,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 636 transitions, 35118 flow [2021-03-26 13:43:28,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 636 transitions, 34517 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-03-26 13:43:28,156 INFO L241 Difference]: Finished difference. Result has 668 places, 622 transitions, 33431 flow [2021-03-26 13:43:28,157 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} [2021-03-26 13:43:28,157 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 630 predicate places. [2021-03-26 13:43:28,157 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:28,157 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 668 places, 622 transitions, 33431 flow [2021-03-26 13:43:28,157 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 668 places, 622 transitions, 33431 flow [2021-03-26 13:43:28,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 664 places, 622 transitions, 33431 flow [2021-03-26 13:43:28,972 INFO L129 PetriNetUnfolder]: 266/3573 cut-off events. [2021-03-26 13:43:28,973 INFO L130 PetriNetUnfolder]: For 205571/205776 co-relation queries the response was YES. [2021-03-26 13:43:29,026 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. [2021-03-26 13:43:29,067 INFO L142 LiptonReduction]: Number of co-enabled transitions 3956 [2021-03-26 13:43:29,126 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:29,126 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:29,126 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 969 [2021-03-26 13:43:29,126 INFO L480 AbstractCegarLoop]: Abstraction has has 664 places, 622 transitions, 33431 flow [2021-03-26 13:43:29,126 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) [2021-03-26 13:43:29,126 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:29,126 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:43:29,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-03-26 13:43:29,126 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]=== [2021-03-26 13:43:29,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:29,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1832864786, now seen corresponding path program 176 times [2021-03-26 13:43:29,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:29,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118286503] [2021-03-26 13:43:29,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:29,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:29,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:29,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:29,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:29,142 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:29,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:29,155 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:29,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:29,173 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:43:29,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:43:29,188 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:43:29,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:43:29,207 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:43:29,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:43:29,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:43:29,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118286503] [2021-03-26 13:43:29,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:29,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:43:29,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536402114] [2021-03-26 13:43:29,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:43:29,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:29,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:43:29,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:43:29,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:43:29,226 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) [2021-03-26 13:43:29,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:29,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:43:29,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:30,783 INFO L129 PetriNetUnfolder]: 289/3619 cut-off events. [2021-03-26 13:43:30,783 INFO L130 PetriNetUnfolder]: For 210675/210857 co-relation queries the response was YES. [2021-03-26 13:43:30,827 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. [2021-03-26 13:43:30,834 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 337 selfloop transitions, 294 changer transitions 0/645 dead transitions. [2021-03-26 13:43:30,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 645 transitions, 35603 flow [2021-03-26 13:43:30,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:43:30,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:43:30,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:43:30,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:43:30,835 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:43:30,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:43:30,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:30,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:43:30,836 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) [2021-03-26 13:43:30,836 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) [2021-03-26 13:43:30,836 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) [2021-03-26 13:43:30,836 INFO L185 Difference]: Start difference. First operand has 664 places, 622 transitions, 33431 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:43:30,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 645 transitions, 35603 flow [2021-03-26 13:43:32,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 645 transitions, 34955 flow, removed 16 selfloop flow, removed 7 redundant places. [2021-03-26 13:43:32,439 INFO L241 Difference]: Finished difference. Result has 667 places, 634 transitions, 34137 flow [2021-03-26 13:43:32,439 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} [2021-03-26 13:43:32,439 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 629 predicate places. [2021-03-26 13:43:32,439 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:32,440 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 667 places, 634 transitions, 34137 flow [2021-03-26 13:43:32,440 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 667 places, 634 transitions, 34137 flow [2021-03-26 13:43:32,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 667 places, 634 transitions, 34137 flow [2021-03-26 13:43:33,256 INFO L129 PetriNetUnfolder]: 266/3572 cut-off events. [2021-03-26 13:43:33,256 INFO L130 PetriNetUnfolder]: For 204837/205005 co-relation queries the response was YES. [2021-03-26 13:43:33,312 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. [2021-03-26 13:43:33,356 INFO L142 LiptonReduction]: Number of co-enabled transitions 4008 [2021-03-26 13:43:33,417 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:33,417 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:33,417 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 978 [2021-03-26 13:43:33,417 INFO L480 AbstractCegarLoop]: Abstraction has has 667 places, 634 transitions, 34137 flow [2021-03-26 13:43:33,418 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) [2021-03-26 13:43:33,418 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:33,418 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:43:33,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-03-26 13:43:33,418 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]=== [2021-03-26 13:43:33,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:33,418 INFO L82 PathProgramCache]: Analyzing trace with hash -2046671878, now seen corresponding path program 177 times [2021-03-26 13:43:33,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:33,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468741276] [2021-03-26 13:43:33,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:33,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:33,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:33,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:33,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:33,428 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:33,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:33,441 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:33,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:33,460 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:43:33,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:43:33,485 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:43:33,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:43:33,504 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:43:33,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:43:33,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:43:33,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468741276] [2021-03-26 13:43:33,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:33,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:43:33,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133416590] [2021-03-26 13:43:33,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:43:33,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:33,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:43:33,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:43:33,524 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:43:33,524 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) [2021-03-26 13:43:33,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:33,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:43:33,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:35,070 INFO L129 PetriNetUnfolder]: 289/3616 cut-off events. [2021-03-26 13:43:35,070 INFO L130 PetriNetUnfolder]: For 209718/209896 co-relation queries the response was YES. [2021-03-26 13:43:35,118 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. [2021-03-26 13:43:35,129 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 336 selfloop transitions, 293 changer transitions 2/645 dead transitions. [2021-03-26 13:43:35,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 674 places, 645 transitions, 35625 flow [2021-03-26 13:43:35,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:43:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:43:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:43:35,130 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:43:35,130 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:43:35,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:43:35,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:35,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:43:35,131 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) [2021-03-26 13:43:35,131 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) [2021-03-26 13:43:35,131 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) [2021-03-26 13:43:35,131 INFO L185 Difference]: Start difference. First operand has 667 places, 634 transitions, 34137 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:43:35,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 674 places, 645 transitions, 35625 flow [2021-03-26 13:43:36,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 670 places, 645 transitions, 34997 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-03-26 13:43:36,883 INFO L241 Difference]: Finished difference. Result has 672 places, 635 transitions, 34122 flow [2021-03-26 13:43:36,883 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} [2021-03-26 13:43:36,883 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 634 predicate places. [2021-03-26 13:43:36,884 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:36,884 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 672 places, 635 transitions, 34122 flow [2021-03-26 13:43:36,884 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 672 places, 635 transitions, 34122 flow [2021-03-26 13:43:36,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 671 places, 635 transitions, 34122 flow [2021-03-26 13:43:37,767 INFO L129 PetriNetUnfolder]: 265/3562 cut-off events. [2021-03-26 13:43:37,768 INFO L130 PetriNetUnfolder]: For 206864/207032 co-relation queries the response was YES. [2021-03-26 13:43:37,816 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. [2021-03-26 13:43:37,859 INFO L142 LiptonReduction]: Number of co-enabled transitions 4002 [2021-03-26 13:43:37,919 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:37,919 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:37,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1035 [2021-03-26 13:43:37,919 INFO L480 AbstractCegarLoop]: Abstraction has has 671 places, 635 transitions, 34122 flow [2021-03-26 13:43:37,919 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) [2021-03-26 13:43:37,919 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:37,919 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:43:37,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-03-26 13:43:37,919 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]=== [2021-03-26 13:43:37,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:37,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1088162288, now seen corresponding path program 178 times [2021-03-26 13:43:37,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:37,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935503109] [2021-03-26 13:43:37,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:37,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:37,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:37,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:37,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:37,930 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:37,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:37,943 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:37,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:37,963 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:43:37,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:43:37,979 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:43:37,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:43:37,998 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:43:37,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:43:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:43:38,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935503109] [2021-03-26 13:43:38,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:38,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:43:38,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186495166] [2021-03-26 13:43:38,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:43:38,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:38,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:43:38,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:43:38,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:43:38,018 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) [2021-03-26 13:43:38,018 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:38,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:43:38,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:39,562 INFO L129 PetriNetUnfolder]: 288/3608 cut-off events. [2021-03-26 13:43:39,562 INFO L130 PetriNetUnfolder]: For 211935/212113 co-relation queries the response was YES. [2021-03-26 13:43:39,610 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. [2021-03-26 13:43:39,618 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 337 selfloop transitions, 287 changer transitions 5/643 dead transitions. [2021-03-26 13:43:39,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 678 places, 643 transitions, 35524 flow [2021-03-26 13:43:39,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:43:39,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:43:39,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:43:39,619 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:43:39,619 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:43:39,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:43:39,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:39,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:43:39,620 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) [2021-03-26 13:43:39,620 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) [2021-03-26 13:43:39,620 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) [2021-03-26 13:43:39,620 INFO L185 Difference]: Start difference. First operand has 671 places, 635 transitions, 34122 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:43:39,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 678 places, 643 transitions, 35524 flow [2021-03-26 13:43:41,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 643 transitions, 34980 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 13:43:41,292 INFO L241 Difference]: Finished difference. Result has 675 places, 630 transitions, 33863 flow [2021-03-26 13:43:41,292 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} [2021-03-26 13:43:41,292 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-03-26 13:43:41,293 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:41,293 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 630 transitions, 33863 flow [2021-03-26 13:43:41,293 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 630 transitions, 33863 flow [2021-03-26 13:43:41,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 630 transitions, 33863 flow [2021-03-26 13:43:42,074 INFO L129 PetriNetUnfolder]: 264/3546 cut-off events. [2021-03-26 13:43:42,074 INFO L130 PetriNetUnfolder]: For 205978/206170 co-relation queries the response was YES. [2021-03-26 13:43:42,123 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. [2021-03-26 13:43:42,163 INFO L142 LiptonReduction]: Number of co-enabled transitions 3958 [2021-03-26 13:43:42,218 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:42,218 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:42,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 927 [2021-03-26 13:43:42,219 INFO L480 AbstractCegarLoop]: Abstraction has has 673 places, 630 transitions, 33863 flow [2021-03-26 13:43:42,219 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) [2021-03-26 13:43:42,219 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:42,219 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:43:42,219 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-03-26 13:43:42,219 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]=== [2021-03-26 13:43:42,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:42,219 INFO L82 PathProgramCache]: Analyzing trace with hash -2133719628, now seen corresponding path program 179 times [2021-03-26 13:43:42,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:42,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515059699] [2021-03-26 13:43:42,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:42,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:42,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:42,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:42,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:42,229 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:42,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:42,242 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:42,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:42,263 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:43:42,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:43:42,285 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:43:42,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:43:42,304 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:43:42,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:43:42,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:43:42,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515059699] [2021-03-26 13:43:42,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:42,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:43:42,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500873755] [2021-03-26 13:43:42,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:43:42,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:42,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:43:42,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:43:42,323 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:43:42,323 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) [2021-03-26 13:43:42,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:42,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:43:42,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:43,805 INFO L129 PetriNetUnfolder]: 287/3592 cut-off events. [2021-03-26 13:43:43,806 INFO L130 PetriNetUnfolder]: For 210931/211113 co-relation queries the response was YES. [2021-03-26 13:43:43,852 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. [2021-03-26 13:43:43,859 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 335 selfloop transitions, 286 changer transitions 3/638 dead transitions. [2021-03-26 13:43:43,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 638 transitions, 35255 flow [2021-03-26 13:43:43,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:43:43,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:43:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:43:43,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:43:43,860 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:43:43,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:43:43,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:43,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:43:43,860 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) [2021-03-26 13:43:43,861 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) [2021-03-26 13:43:43,861 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) [2021-03-26 13:43:43,861 INFO L185 Difference]: Start difference. First operand has 673 places, 630 transitions, 33863 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:43:43,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 638 transitions, 35255 flow [2021-03-26 13:43:45,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 638 transitions, 34669 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-26 13:43:45,553 INFO L241 Difference]: Finished difference. Result has 675 places, 627 transitions, 33713 flow [2021-03-26 13:43:45,554 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} [2021-03-26 13:43:45,554 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-03-26 13:43:45,554 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:45,554 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 627 transitions, 33713 flow [2021-03-26 13:43:45,554 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 627 transitions, 33713 flow [2021-03-26 13:43:45,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 627 transitions, 33713 flow [2021-03-26 13:43:46,323 INFO L129 PetriNetUnfolder]: 263/3535 cut-off events. [2021-03-26 13:43:46,323 INFO L130 PetriNetUnfolder]: For 202849/203049 co-relation queries the response was YES. [2021-03-26 13:43:46,472 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. [2021-03-26 13:43:46,507 INFO L142 LiptonReduction]: Number of co-enabled transitions 3942 [2021-03-26 13:43:46,565 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:46,565 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:46,565 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1011 [2021-03-26 13:43:46,566 INFO L480 AbstractCegarLoop]: Abstraction has has 673 places, 627 transitions, 33713 flow [2021-03-26 13:43:46,566 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) [2021-03-26 13:43:46,566 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:46,566 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:43:46,566 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-03-26 13:43:46,566 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]=== [2021-03-26 13:43:46,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:46,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1267481168, now seen corresponding path program 180 times [2021-03-26 13:43:46,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:46,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017561118] [2021-03-26 13:43:46,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:46,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:46,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:46,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:46,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:46,577 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:46,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:46,591 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:46,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:46,609 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:43:46,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:43:46,634 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:43:46,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:43:46,653 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:43:46,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:43:46,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:43:46,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017561118] [2021-03-26 13:43:46,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:46,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:43:46,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942570673] [2021-03-26 13:43:46,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:43:46,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:46,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:43:46,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:43:46,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:43:46,673 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) [2021-03-26 13:43:46,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:46,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:43:46,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:48,249 INFO L129 PetriNetUnfolder]: 286/3581 cut-off events. [2021-03-26 13:43:48,249 INFO L130 PetriNetUnfolder]: For 207238/207384 co-relation queries the response was YES. [2021-03-26 13:43:48,311 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. [2021-03-26 13:43:48,321 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 330 selfloop transitions, 286 changer transitions 4/634 dead transitions. [2021-03-26 13:43:48,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 634 transitions, 35075 flow [2021-03-26 13:43:48,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:43:48,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:43:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:43:48,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:43:48,322 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:43:48,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:43:48,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:48,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:43:48,322 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) [2021-03-26 13:43:48,323 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) [2021-03-26 13:43:48,323 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) [2021-03-26 13:43:48,323 INFO L185 Difference]: Start difference. First operand has 673 places, 627 transitions, 33713 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:43:48,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 634 transitions, 35075 flow [2021-03-26 13:43:49,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 634 transitions, 34619 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-26 13:43:49,988 INFO L241 Difference]: Finished difference. Result has 675 places, 623 transitions, 33664 flow [2021-03-26 13:43:49,988 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} [2021-03-26 13:43:49,988 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-03-26 13:43:49,988 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:49,989 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 623 transitions, 33664 flow [2021-03-26 13:43:49,989 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 623 transitions, 33664 flow [2021-03-26 13:43:49,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 623 transitions, 33664 flow [2021-03-26 13:43:50,744 INFO L129 PetriNetUnfolder]: 262/3522 cut-off events. [2021-03-26 13:43:50,745 INFO L130 PetriNetUnfolder]: For 201853/202005 co-relation queries the response was YES. [2021-03-26 13:43:50,789 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. [2021-03-26 13:43:50,828 INFO L142 LiptonReduction]: Number of co-enabled transitions 3928 [2021-03-26 13:43:50,885 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:50,886 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:50,886 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 898 [2021-03-26 13:43:50,886 INFO L480 AbstractCegarLoop]: Abstraction has has 673 places, 623 transitions, 33664 flow [2021-03-26 13:43:50,886 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) [2021-03-26 13:43:50,886 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:50,886 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:43:50,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-03-26 13:43:50,886 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]=== [2021-03-26 13:43:50,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:50,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1603833174, now seen corresponding path program 181 times [2021-03-26 13:43:50,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:50,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943324501] [2021-03-26 13:43:50,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:50,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:50,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:50,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:50,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:50,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:50,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:43:50,906 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:50,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:50,925 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:43:50,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:43:50,946 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:43:50,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:43:50,965 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:43:50,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:43:50,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:43:50,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943324501] [2021-03-26 13:43:50,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:50,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:43:50,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400998700] [2021-03-26 13:43:50,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:43:50,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:50,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:43:50,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:43:50,984 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:43:50,984 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) [2021-03-26 13:43:50,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:50,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:43:50,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:52,541 INFO L129 PetriNetUnfolder]: 303/3838 cut-off events. [2021-03-26 13:43:52,541 INFO L130 PetriNetUnfolder]: For 223128/223229 co-relation queries the response was YES. [2021-03-26 13:43:52,590 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. [2021-03-26 13:43:52,597 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 429 selfloop transitions, 304 changer transitions 2/749 dead transitions. [2021-03-26 13:43:52,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 749 transitions, 41405 flow [2021-03-26 13:43:52,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:43:52,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:43:52,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:43:52,598 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:43:52,598 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:43:52,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:43:52,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:52,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:43:52,599 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) [2021-03-26 13:43:52,599 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) [2021-03-26 13:43:52,599 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) [2021-03-26 13:43:52,599 INFO L185 Difference]: Start difference. First operand has 673 places, 623 transitions, 33664 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:43:52,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 749 transitions, 41405 flow [2021-03-26 13:43:54,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 749 transitions, 40718 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 13:43:54,308 INFO L241 Difference]: Finished difference. Result has 681 places, 664 transitions, 36377 flow [2021-03-26 13:43:54,309 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} [2021-03-26 13:43:54,309 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 643 predicate places. [2021-03-26 13:43:54,309 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:54,309 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 681 places, 664 transitions, 36377 flow [2021-03-26 13:43:54,309 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 681 places, 664 transitions, 36377 flow [2021-03-26 13:43:54,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 680 places, 664 transitions, 36377 flow [2021-03-26 13:43:55,230 INFO L129 PetriNetUnfolder]: 280/3786 cut-off events. [2021-03-26 13:43:55,230 INFO L130 PetriNetUnfolder]: For 226729/226877 co-relation queries the response was YES. [2021-03-26 13:43:55,279 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. [2021-03-26 13:43:55,321 INFO L142 LiptonReduction]: Number of co-enabled transitions 4204 [2021-03-26 13:43:55,388 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:55,388 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:55,388 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1079 [2021-03-26 13:43:55,389 INFO L480 AbstractCegarLoop]: Abstraction has has 680 places, 664 transitions, 36377 flow [2021-03-26 13:43:55,389 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) [2021-03-26 13:43:55,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:55,389 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:43:55,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-03-26 13:43:55,389 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]=== [2021-03-26 13:43:55,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:55,389 INFO L82 PathProgramCache]: Analyzing trace with hash -2009725322, now seen corresponding path program 182 times [2021-03-26 13:43:55,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:55,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670350333] [2021-03-26 13:43:55,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:55,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:55,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:55,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:55,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:55,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:55,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:43:55,420 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:55,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:55,439 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:43:55,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:43:55,453 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:43:55,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:43:55,472 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:43:55,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:43:55,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:43:55,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670350333] [2021-03-26 13:43:55,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:55,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:43:55,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084823564] [2021-03-26 13:43:55,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:43:55,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:55,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:43:55,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:43:55,491 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:43:55,491 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) [2021-03-26 13:43:55,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:55,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:43:55,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:57,265 INFO L129 PetriNetUnfolder]: 308/3928 cut-off events. [2021-03-26 13:43:57,265 INFO L130 PetriNetUnfolder]: For 236841/236947 co-relation queries the response was YES. [2021-03-26 13:43:57,316 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. [2021-03-26 13:43:57,323 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 397 selfloop transitions, 316 changer transitions 2/729 dead transitions. [2021-03-26 13:43:57,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 687 places, 729 transitions, 40734 flow [2021-03-26 13:43:57,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:43:57,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:43:57,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:43:57,324 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:43:57,325 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:43:57,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:43:57,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:57,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:43:57,325 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) [2021-03-26 13:43:57,326 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) [2021-03-26 13:43:57,326 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) [2021-03-26 13:43:57,326 INFO L185 Difference]: Start difference. First operand has 680 places, 664 transitions, 36377 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:43:57,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 687 places, 729 transitions, 40734 flow [2021-03-26 13:43:59,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 684 places, 729 transitions, 40467 flow, removed 74 selfloop flow, removed 3 redundant places. [2021-03-26 13:43:59,167 INFO L241 Difference]: Finished difference. Result has 689 places, 678 transitions, 37692 flow [2021-03-26 13:43:59,167 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} [2021-03-26 13:43:59,167 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 651 predicate places. [2021-03-26 13:43:59,168 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:43:59,168 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 689 places, 678 transitions, 37692 flow [2021-03-26 13:43:59,168 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 689 places, 678 transitions, 37692 flow [2021-03-26 13:43:59,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 688 places, 678 transitions, 37692 flow [2021-03-26 13:44:00,115 INFO L129 PetriNetUnfolder]: 288/3882 cut-off events. [2021-03-26 13:44:00,115 INFO L130 PetriNetUnfolder]: For 239790/239911 co-relation queries the response was YES. [2021-03-26 13:44:00,168 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. [2021-03-26 13:44:00,213 INFO L142 LiptonReduction]: Number of co-enabled transitions 4298 [2021-03-26 13:44:00,283 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:00,283 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:00,283 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1115 [2021-03-26 13:44:00,283 INFO L480 AbstractCegarLoop]: Abstraction has has 688 places, 678 transitions, 37692 flow [2021-03-26 13:44:00,283 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) [2021-03-26 13:44:00,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:00,283 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:44:00,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-03-26 13:44:00,283 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]=== [2021-03-26 13:44:00,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:00,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1139899074, now seen corresponding path program 183 times [2021-03-26 13:44:00,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:00,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769737837] [2021-03-26 13:44:00,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:00,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:00,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:00,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:00,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:00,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:00,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:44:00,300 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:44:00,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:44:00,310 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:44:00,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:44:00,325 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:44:00,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:44:00,343 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:44:00,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:44:00,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:44:00,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769737837] [2021-03-26 13:44:00,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:00,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:44:00,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126696707] [2021-03-26 13:44:00,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:44:00,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:00,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:44:00,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:44:00,363 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:44:00,363 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) [2021-03-26 13:44:00,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:00,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:44:00,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:02,215 INFO L129 PetriNetUnfolder]: 308/3947 cut-off events. [2021-03-26 13:44:02,215 INFO L130 PetriNetUnfolder]: For 245900/246003 co-relation queries the response was YES. [2021-03-26 13:44:02,264 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. [2021-03-26 13:44:02,272 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 438 selfloop transitions, 306 changer transitions 2/760 dead transitions. [2021-03-26 13:44:02,272 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 760 transitions, 43079 flow [2021-03-26 13:44:02,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:44:02,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:44:02,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:44:02,273 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:44:02,273 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:44:02,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:44:02,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:02,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:44:02,273 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) [2021-03-26 13:44:02,274 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) [2021-03-26 13:44:02,274 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) [2021-03-26 13:44:02,274 INFO L185 Difference]: Start difference. First operand has 688 places, 678 transitions, 37692 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:44:02,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 760 transitions, 43079 flow [2021-03-26 13:44:04,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 691 places, 760 transitions, 42583 flow, removed 35 selfloop flow, removed 4 redundant places. [2021-03-26 13:44:04,234 INFO L241 Difference]: Finished difference. Result has 697 places, 704 transitions, 39599 flow [2021-03-26 13:44:04,234 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} [2021-03-26 13:44:04,234 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 659 predicate places. [2021-03-26 13:44:04,234 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:04,234 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 697 places, 704 transitions, 39599 flow [2021-03-26 13:44:04,234 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 697 places, 704 transitions, 39599 flow [2021-03-26 13:44:04,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 696 places, 704 transitions, 39599 flow [2021-03-26 13:44:05,233 INFO L129 PetriNetUnfolder]: 290/3905 cut-off events. [2021-03-26 13:44:05,234 INFO L130 PetriNetUnfolder]: For 250971/251089 co-relation queries the response was YES. [2021-03-26 13:44:05,293 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. [2021-03-26 13:44:05,340 INFO L142 LiptonReduction]: Number of co-enabled transitions 4468 [2021-03-26 13:44:05,415 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:05,416 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:05,416 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1182 [2021-03-26 13:44:05,416 INFO L480 AbstractCegarLoop]: Abstraction has has 696 places, 704 transitions, 39599 flow [2021-03-26 13:44:05,416 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) [2021-03-26 13:44:05,416 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:05,416 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:44:05,416 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-03-26 13:44:05,416 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]=== [2021-03-26 13:44:05,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:05,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1482690900, now seen corresponding path program 184 times [2021-03-26 13:44:05,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:05,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292277937] [2021-03-26 13:44:05,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:05,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:05,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:05,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:05,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:05,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:05,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:44:05,433 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:44:05,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:44:05,443 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:44:05,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:44:05,458 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:44:05,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:44:05,477 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:44:05,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:44:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:44:05,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292277937] [2021-03-26 13:44:05,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:05,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:44:05,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156639034] [2021-03-26 13:44:05,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:44:05,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:05,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:44:05,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:44:05,497 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:44:05,497 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) [2021-03-26 13:44:05,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:05,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:44:05,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:07,492 INFO L129 PetriNetUnfolder]: 307/3937 cut-off events. [2021-03-26 13:44:07,492 INFO L130 PetriNetUnfolder]: For 255386/255497 co-relation queries the response was YES. [2021-03-26 13:44:07,542 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. [2021-03-26 13:44:07,551 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 395 selfloop transitions, 331 changer transitions 0/740 dead transitions. [2021-03-26 13:44:07,551 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 703 places, 740 transitions, 42732 flow [2021-03-26 13:44:07,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:44:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:44:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:44:07,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:44:07,552 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:44:07,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:44:07,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:07,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:44:07,552 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) [2021-03-26 13:44:07,553 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) [2021-03-26 13:44:07,553 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) [2021-03-26 13:44:07,553 INFO L185 Difference]: Start difference. First operand has 696 places, 704 transitions, 39599 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:44:07,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 703 places, 740 transitions, 42732 flow [2021-03-26 13:44:09,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 699 places, 740 transitions, 42400 flow, removed 59 selfloop flow, removed 4 redundant places. [2021-03-26 13:44:09,672 INFO L241 Difference]: Finished difference. Result has 702 places, 731 transitions, 41636 flow [2021-03-26 13:44:09,672 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} [2021-03-26 13:44:09,672 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 664 predicate places. [2021-03-26 13:44:09,672 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:09,672 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 702 places, 731 transitions, 41636 flow [2021-03-26 13:44:09,673 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 702 places, 731 transitions, 41636 flow [2021-03-26 13:44:09,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 702 places, 731 transitions, 41636 flow [2021-03-26 13:44:10,699 INFO L129 PetriNetUnfolder]: 290/3904 cut-off events. [2021-03-26 13:44:10,699 INFO L130 PetriNetUnfolder]: For 259595/259720 co-relation queries the response was YES. [2021-03-26 13:44:10,766 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. [2021-03-26 13:44:10,815 INFO L142 LiptonReduction]: Number of co-enabled transitions 4620 [2021-03-26 13:44:10,897 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:10,897 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:10,897 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1225 [2021-03-26 13:44:10,898 INFO L480 AbstractCegarLoop]: Abstraction has has 702 places, 731 transitions, 41636 flow [2021-03-26 13:44:10,898 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) [2021-03-26 13:44:10,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:10,898 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:44:10,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-03-26 13:44:10,898 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]=== [2021-03-26 13:44:10,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:10,898 INFO L82 PathProgramCache]: Analyzing trace with hash 797139098, now seen corresponding path program 185 times [2021-03-26 13:44:10,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:10,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994123064] [2021-03-26 13:44:10,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:10,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:10,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:10,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:10,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:10,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:10,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:44:10,915 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:44:10,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:44:10,933 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:44:10,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:44:10,959 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:44:10,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:44:10,978 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:44:10,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:44:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:44:10,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994123064] [2021-03-26 13:44:10,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:10,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:44:10,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70237553] [2021-03-26 13:44:10,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:44:10,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:10,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:44:10,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:44:10,997 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:44:10,997 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) [2021-03-26 13:44:10,997 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:10,997 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:44:10,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:12,958 INFO L129 PetriNetUnfolder]: 307/3936 cut-off events. [2021-03-26 13:44:12,958 INFO L130 PetriNetUnfolder]: For 263701/263812 co-relation queries the response was YES. [2021-03-26 13:44:13,007 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. [2021-03-26 13:44:13,015 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 459 selfloop transitions, 319 changer transitions 0/792 dead transitions. [2021-03-26 13:44:13,015 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 709 places, 792 transitions, 46191 flow [2021-03-26 13:44:13,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:44:13,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:44:13,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:44:13,028 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:44:13,028 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:44:13,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:44:13,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:13,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:44:13,029 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) [2021-03-26 13:44:13,029 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) [2021-03-26 13:44:13,029 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) [2021-03-26 13:44:13,029 INFO L185 Difference]: Start difference. First operand has 702 places, 731 transitions, 41636 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:44:13,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 709 places, 792 transitions, 46191 flow [2021-03-26 13:44:15,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 707 places, 792 transitions, 45690 flow, removed 95 selfloop flow, removed 2 redundant places. [2021-03-26 13:44:15,094 INFO L241 Difference]: Finished difference. Result has 711 places, 746 transitions, 42892 flow [2021-03-26 13:44:15,094 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} [2021-03-26 13:44:15,095 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 673 predicate places. [2021-03-26 13:44:15,095 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:15,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 711 places, 746 transitions, 42892 flow [2021-03-26 13:44:15,095 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 711 places, 746 transitions, 42892 flow [2021-03-26 13:44:15,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 711 places, 746 transitions, 42892 flow [2021-03-26 13:44:16,128 INFO L129 PetriNetUnfolder]: 290/3903 cut-off events. [2021-03-26 13:44:16,128 INFO L130 PetriNetUnfolder]: For 266619/266749 co-relation queries the response was YES. [2021-03-26 13:44:16,185 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. [2021-03-26 13:44:16,233 INFO L142 LiptonReduction]: Number of co-enabled transitions 4684 [2021-03-26 13:44:16,320 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:16,320 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:16,320 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1225 [2021-03-26 13:44:16,320 INFO L480 AbstractCegarLoop]: Abstraction has has 711 places, 746 transitions, 42892 flow [2021-03-26 13:44:16,320 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) [2021-03-26 13:44:16,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:16,320 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:44:16,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-03-26 13:44:16,320 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]=== [2021-03-26 13:44:16,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:16,321 INFO L82 PathProgramCache]: Analyzing trace with hash 2093644802, now seen corresponding path program 186 times [2021-03-26 13:44:16,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:16,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600706574] [2021-03-26 13:44:16,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:16,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:16,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:16,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:16,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:16,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:16,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:44:16,337 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:44:16,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:44:16,354 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:44:16,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:44:16,378 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:44:16,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:44:16,397 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:44:16,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:44:16,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:44:16,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600706574] [2021-03-26 13:44:16,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:16,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:44:16,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170452468] [2021-03-26 13:44:16,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:44:16,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:16,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:44:16,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:44:16,417 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:44:16,417 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) [2021-03-26 13:44:16,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:16,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:44:16,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:18,588 INFO L129 PetriNetUnfolder]: 307/3935 cut-off events. [2021-03-26 13:44:18,588 INFO L130 PetriNetUnfolder]: For 270753/270865 co-relation queries the response was YES. [2021-03-26 13:44:18,640 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. [2021-03-26 13:44:18,648 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 423 selfloop transitions, 330 changer transitions 0/767 dead transitions. [2021-03-26 13:44:18,648 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 767 transitions, 45280 flow [2021-03-26 13:44:18,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:44:18,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:44:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:44:18,649 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:44:18,649 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:44:18,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:44:18,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:18,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:44:18,650 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) [2021-03-26 13:44:18,650 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) [2021-03-26 13:44:18,650 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) [2021-03-26 13:44:18,650 INFO L185 Difference]: Start difference. First operand has 711 places, 746 transitions, 42892 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:44:18,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 718 places, 767 transitions, 45280 flow [2021-03-26 13:44:20,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 717 places, 767 transitions, 45014 flow, removed 56 selfloop flow, removed 1 redundant places. [2021-03-26 13:44:20,804 INFO L241 Difference]: Finished difference. Result has 719 places, 752 transitions, 43683 flow [2021-03-26 13:44:20,805 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} [2021-03-26 13:44:20,805 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 681 predicate places. [2021-03-26 13:44:20,805 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:20,805 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 719 places, 752 transitions, 43683 flow [2021-03-26 13:44:20,805 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 719 places, 752 transitions, 43683 flow [2021-03-26 13:44:20,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 719 places, 752 transitions, 43683 flow [2021-03-26 13:44:21,820 INFO L129 PetriNetUnfolder]: 290/3902 cut-off events. [2021-03-26 13:44:21,820 INFO L130 PetriNetUnfolder]: For 272755/272885 co-relation queries the response was YES. [2021-03-26 13:44:21,883 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. [2021-03-26 13:44:21,934 INFO L142 LiptonReduction]: Number of co-enabled transitions 4702 [2021-03-26 13:44:22,021 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:22,022 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:22,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1217 [2021-03-26 13:44:22,022 INFO L480 AbstractCegarLoop]: Abstraction has has 719 places, 752 transitions, 43683 flow [2021-03-26 13:44:22,022 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) [2021-03-26 13:44:22,022 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:22,022 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:44:22,022 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-03-26 13:44:22,022 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]=== [2021-03-26 13:44:22,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:22,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1438270516, now seen corresponding path program 187 times [2021-03-26 13:44:22,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:22,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260467500] [2021-03-26 13:44:22,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:22,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:22,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:22,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:22,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:22,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:22,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:44:22,039 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:44:22,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:44:22,057 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:44:22,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:44:22,071 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:44:22,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:44:22,091 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:44:22,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:44:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:44:22,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260467500] [2021-03-26 13:44:22,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:22,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:44:22,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756714826] [2021-03-26 13:44:22,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:44:22,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:22,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:44:22,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:44:22,110 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:44:22,110 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) [2021-03-26 13:44:22,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:22,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:44:22,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:24,152 INFO L129 PetriNetUnfolder]: 307/3934 cut-off events. [2021-03-26 13:44:24,152 INFO L130 PetriNetUnfolder]: For 277341/277455 co-relation queries the response was YES. [2021-03-26 13:44:24,206 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. [2021-03-26 13:44:24,214 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 424 selfloop transitions, 327 changer transitions 3/768 dead transitions. [2021-03-26 13:44:24,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 726 places, 768 transitions, 45793 flow [2021-03-26 13:44:24,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:44:24,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:44:24,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:44:24,215 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:44:24,215 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:44:24,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:44:24,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:24,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:44:24,215 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) [2021-03-26 13:44:24,216 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) [2021-03-26 13:44:24,216 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) [2021-03-26 13:44:24,216 INFO L185 Difference]: Start difference. First operand has 719 places, 752 transitions, 43683 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:44:24,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 726 places, 768 transitions, 45793 flow [2021-03-26 13:44:26,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 722 places, 768 transitions, 45138 flow, removed 34 selfloop flow, removed 4 redundant places. [2021-03-26 13:44:26,416 INFO L241 Difference]: Finished difference. Result has 724 places, 750 transitions, 43602 flow [2021-03-26 13:44:26,417 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} [2021-03-26 13:44:26,417 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 686 predicate places. [2021-03-26 13:44:26,417 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:26,417 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 724 places, 750 transitions, 43602 flow [2021-03-26 13:44:26,417 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 724 places, 750 transitions, 43602 flow [2021-03-26 13:44:26,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 723 places, 750 transitions, 43602 flow [2021-03-26 13:44:27,476 INFO L129 PetriNetUnfolder]: 289/3891 cut-off events. [2021-03-26 13:44:27,476 INFO L130 PetriNetUnfolder]: For 274490/274620 co-relation queries the response was YES. [2021-03-26 13:44:27,542 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. [2021-03-26 13:44:27,592 INFO L142 LiptonReduction]: Number of co-enabled transitions 4698 [2021-03-26 13:44:27,680 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:27,680 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:27,680 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1263 [2021-03-26 13:44:27,681 INFO L480 AbstractCegarLoop]: Abstraction has has 723 places, 750 transitions, 43602 flow [2021-03-26 13:44:27,681 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) [2021-03-26 13:44:27,681 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:27,681 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:44:27,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-03-26 13:44:27,681 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]=== [2021-03-26 13:44:27,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:27,681 INFO L82 PathProgramCache]: Analyzing trace with hash -22014620, now seen corresponding path program 188 times [2021-03-26 13:44:27,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:27,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222575921] [2021-03-26 13:44:27,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:27,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:27,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:27,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:27,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:27,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:27,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:44:27,700 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:44:27,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:44:27,711 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:44:27,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:44:27,726 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:44:27,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:44:27,747 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:44:27,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:44:27,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:44:27,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222575921] [2021-03-26 13:44:27,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:27,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:44:27,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63977118] [2021-03-26 13:44:27,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:44:27,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:27,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:44:27,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:44:27,767 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:44:27,767 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) [2021-03-26 13:44:27,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:27,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:44:27,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:29,786 INFO L129 PetriNetUnfolder]: 306/3923 cut-off events. [2021-03-26 13:44:29,786 INFO L130 PetriNetUnfolder]: For 279510/279624 co-relation queries the response was YES. [2021-03-26 13:44:29,844 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. [2021-03-26 13:44:29,853 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 398 selfloop transitions, 347 changer transitions 0/759 dead transitions. [2021-03-26 13:44:29,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 730 places, 759 transitions, 45364 flow [2021-03-26 13:44:29,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:44:29,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:44:29,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:44:29,854 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:44:29,854 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:44:29,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:44:29,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:29,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:44:29,855 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) [2021-03-26 13:44:29,855 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) [2021-03-26 13:44:29,855 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) [2021-03-26 13:44:29,855 INFO L185 Difference]: Start difference. First operand has 723 places, 750 transitions, 43602 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:44:29,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 730 places, 759 transitions, 45364 flow [2021-03-26 13:44:32,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 725 places, 759 transitions, 44703 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-03-26 13:44:32,055 INFO L241 Difference]: Finished difference. Result has 726 places, 750 transitions, 43646 flow [2021-03-26 13:44:32,056 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} [2021-03-26 13:44:32,056 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 688 predicate places. [2021-03-26 13:44:32,056 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:32,056 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 726 places, 750 transitions, 43646 flow [2021-03-26 13:44:32,056 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 726 places, 750 transitions, 43646 flow [2021-03-26 13:44:32,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 726 places, 750 transitions, 43646 flow [2021-03-26 13:44:33,084 INFO L129 PetriNetUnfolder]: 289/3890 cut-off events. [2021-03-26 13:44:33,084 INFO L130 PetriNetUnfolder]: For 274393/274522 co-relation queries the response was YES. [2021-03-26 13:44:33,140 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. [2021-03-26 13:44:33,188 INFO L142 LiptonReduction]: Number of co-enabled transitions 4698 [2021-03-26 13:44:33,276 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:33,276 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:33,276 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1220 [2021-03-26 13:44:33,276 INFO L480 AbstractCegarLoop]: Abstraction has has 726 places, 750 transitions, 43646 flow [2021-03-26 13:44:33,276 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) [2021-03-26 13:44:33,277 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:33,277 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:44:33,277 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-03-26 13:44:33,277 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]=== [2021-03-26 13:44:33,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:33,277 INFO L82 PathProgramCache]: Analyzing trace with hash 2126781916, now seen corresponding path program 189 times [2021-03-26 13:44:33,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:33,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366291136] [2021-03-26 13:44:33,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:33,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:33,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:33,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:33,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:33,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:33,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:44:33,294 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:44:33,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:44:33,304 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:44:33,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:44:33,328 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:44:33,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:44:33,347 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:44:33,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:44:33,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:44:33,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366291136] [2021-03-26 13:44:33,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:33,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:44:33,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336914886] [2021-03-26 13:44:33,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:44:33,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:33,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:44:33,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:44:33,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:44:33,367 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) [2021-03-26 13:44:33,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:33,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:44:33,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:35,430 INFO L129 PetriNetUnfolder]: 306/3922 cut-off events. [2021-03-26 13:44:35,430 INFO L130 PetriNetUnfolder]: For 279379/279492 co-relation queries the response was YES. [2021-03-26 13:44:35,486 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. [2021-03-26 13:44:35,495 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 401 selfloop transitions, 344 changer transitions 0/759 dead transitions. [2021-03-26 13:44:35,495 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 733 places, 759 transitions, 45408 flow [2021-03-26 13:44:35,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:44:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:44:35,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:44:35,496 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:44:35,496 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:44:35,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:44:35,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:35,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:44:35,496 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) [2021-03-26 13:44:35,497 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) [2021-03-26 13:44:35,497 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) [2021-03-26 13:44:35,497 INFO L185 Difference]: Start difference. First operand has 726 places, 750 transitions, 43646 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:44:35,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 733 places, 759 transitions, 45408 flow [2021-03-26 13:44:37,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 731 places, 759 transitions, 44948 flow, removed 18 selfloop flow, removed 2 redundant places. [2021-03-26 13:44:37,758 INFO L241 Difference]: Finished difference. Result has 732 places, 750 transitions, 43877 flow [2021-03-26 13:44:37,759 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} [2021-03-26 13:44:37,760 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 694 predicate places. [2021-03-26 13:44:37,760 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:37,760 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 732 places, 750 transitions, 43877 flow [2021-03-26 13:44:37,760 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 732 places, 750 transitions, 43877 flow [2021-03-26 13:44:37,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 732 places, 750 transitions, 43877 flow [2021-03-26 13:44:38,801 INFO L129 PetriNetUnfolder]: 289/3889 cut-off events. [2021-03-26 13:44:38,801 INFO L130 PetriNetUnfolder]: For 278427/278569 co-relation queries the response was YES. [2021-03-26 13:44:38,858 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. [2021-03-26 13:44:38,907 INFO L142 LiptonReduction]: Number of co-enabled transitions 4698 [2021-03-26 13:44:38,995 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:38,996 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:38,996 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1236 [2021-03-26 13:44:38,996 INFO L480 AbstractCegarLoop]: Abstraction has has 732 places, 750 transitions, 43877 flow [2021-03-26 13:44:38,996 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) [2021-03-26 13:44:38,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:38,996 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:44:38,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-03-26 13:44:38,996 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]=== [2021-03-26 13:44:38,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:38,996 INFO L82 PathProgramCache]: Analyzing trace with hash -2138277896, now seen corresponding path program 190 times [2021-03-26 13:44:38,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:38,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341266141] [2021-03-26 13:44:38,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:39,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:39,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:39,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:39,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:39,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:39,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:44:39,014 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:44:39,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:44:39,024 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:44:39,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:44:39,048 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:44:39,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:44:39,067 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:44:39,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:44:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:44:39,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341266141] [2021-03-26 13:44:39,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:39,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:44:39,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029160706] [2021-03-26 13:44:39,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:44:39,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:39,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:44:39,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:44:39,087 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:44:39,087 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) [2021-03-26 13:44:39,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:39,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:44:39,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:41,098 INFO L129 PetriNetUnfolder]: 306/3921 cut-off events. [2021-03-26 13:44:41,098 INFO L130 PetriNetUnfolder]: For 283703/283814 co-relation queries the response was YES. [2021-03-26 13:44:41,155 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. [2021-03-26 13:44:41,164 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 401 selfloop transitions, 344 changer transitions 0/759 dead transitions. [2021-03-26 13:44:41,164 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 739 places, 759 transitions, 45647 flow [2021-03-26 13:44:41,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:44:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:44:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:44:41,165 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:44:41,165 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:44:41,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:44:41,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:41,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:44:41,166 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) [2021-03-26 13:44:41,166 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) [2021-03-26 13:44:41,166 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) [2021-03-26 13:44:41,166 INFO L185 Difference]: Start difference. First operand has 732 places, 750 transitions, 43877 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:44:41,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 739 places, 759 transitions, 45647 flow [2021-03-26 13:44:43,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 736 places, 759 transitions, 45040 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-03-26 13:44:43,531 INFO L241 Difference]: Finished difference. Result has 737 places, 750 transitions, 43961 flow [2021-03-26 13:44:43,532 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} [2021-03-26 13:44:43,532 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 699 predicate places. [2021-03-26 13:44:43,532 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:43,532 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 737 places, 750 transitions, 43961 flow [2021-03-26 13:44:43,533 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 737 places, 750 transitions, 43961 flow [2021-03-26 13:44:43,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 737 places, 750 transitions, 43961 flow [2021-03-26 13:44:44,635 INFO L129 PetriNetUnfolder]: 289/3888 cut-off events. [2021-03-26 13:44:44,635 INFO L130 PetriNetUnfolder]: For 282224/282353 co-relation queries the response was YES. [2021-03-26 13:44:44,704 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. [2021-03-26 13:44:44,754 INFO L142 LiptonReduction]: Number of co-enabled transitions 4698 [2021-03-26 13:44:44,843 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:44,843 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:44,843 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1311 [2021-03-26 13:44:44,843 INFO L480 AbstractCegarLoop]: Abstraction has has 737 places, 750 transitions, 43961 flow [2021-03-26 13:44:44,843 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) [2021-03-26 13:44:44,843 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:44,843 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:44:44,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-03-26 13:44:44,843 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]=== [2021-03-26 13:44:44,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:44,844 INFO L82 PathProgramCache]: Analyzing trace with hash 370728886, now seen corresponding path program 191 times [2021-03-26 13:44:44,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:44,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012726120] [2021-03-26 13:44:44,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:44,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:44,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:44,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:44,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:44,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:44,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:44:44,861 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:44:44,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:44:44,878 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:44:44,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:44:44,902 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:44:44,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:44:44,922 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:44:44,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:44:44,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:44:44,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012726120] [2021-03-26 13:44:44,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:44,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:44:44,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114831387] [2021-03-26 13:44:44,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:44:44,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:44,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:44:44,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:44:44,941 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:44:44,941 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) [2021-03-26 13:44:44,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:44,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:44:44,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:46,908 INFO L129 PetriNetUnfolder]: 306/3920 cut-off events. [2021-03-26 13:44:46,908 INFO L130 PetriNetUnfolder]: For 288194/288305 co-relation queries the response was YES. [2021-03-26 13:44:46,967 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. [2021-03-26 13:44:46,976 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 422 selfloop transitions, 324 changer transitions 5/765 dead transitions. [2021-03-26 13:44:46,976 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 744 places, 765 transitions, 46051 flow [2021-03-26 13:44:46,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:44:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:44:46,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:44:46,977 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:44:46,977 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:44:46,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:44:46,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:46,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:44:46,978 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) [2021-03-26 13:44:46,978 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) [2021-03-26 13:44:46,978 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) [2021-03-26 13:44:46,978 INFO L185 Difference]: Start difference. First operand has 737 places, 750 transitions, 43961 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:44:46,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 744 places, 765 transitions, 46051 flow [2021-03-26 13:44:49,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 765 transitions, 45375 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 13:44:49,450 INFO L241 Difference]: Finished difference. Result has 741 places, 748 transitions, 43843 flow [2021-03-26 13:44:49,450 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} [2021-03-26 13:44:49,451 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 703 predicate places. [2021-03-26 13:44:49,451 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:49,451 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 741 places, 748 transitions, 43843 flow [2021-03-26 13:44:49,451 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 741 places, 748 transitions, 43843 flow [2021-03-26 13:44:49,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 739 places, 748 transitions, 43843 flow [2021-03-26 13:44:50,502 INFO L129 PetriNetUnfolder]: 288/3871 cut-off events. [2021-03-26 13:44:50,502 INFO L130 PetriNetUnfolder]: For 285367/285496 co-relation queries the response was YES. [2021-03-26 13:44:50,562 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. [2021-03-26 13:44:50,614 INFO L142 LiptonReduction]: Number of co-enabled transitions 4680 [2021-03-26 13:44:50,700 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:50,701 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:50,701 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1250 [2021-03-26 13:44:50,701 INFO L480 AbstractCegarLoop]: Abstraction has has 739 places, 748 transitions, 43843 flow [2021-03-26 13:44:50,701 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) [2021-03-26 13:44:50,701 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:50,701 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:44:50,701 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-03-26 13:44:50,701 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]=== [2021-03-26 13:44:50,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:50,701 INFO L82 PathProgramCache]: Analyzing trace with hash -2135869928, now seen corresponding path program 192 times [2021-03-26 13:44:50,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:50,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354296455] [2021-03-26 13:44:50,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:50,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:50,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:50,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:50,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:50,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:50,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:44:50,723 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:44:50,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:44:50,740 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:44:50,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:44:50,762 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:44:50,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:44:50,781 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:44:50,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:44:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:44:50,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354296455] [2021-03-26 13:44:50,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:50,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:44:50,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133446562] [2021-03-26 13:44:50,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:44:50,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:50,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:44:50,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:44:50,801 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:44:50,801 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) [2021-03-26 13:44:50,801 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:50,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:44:50,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:52,692 INFO L129 PetriNetUnfolder]: 305/3903 cut-off events. [2021-03-26 13:44:52,692 INFO L130 PetriNetUnfolder]: For 291505/291618 co-relation queries the response was YES. [2021-03-26 13:44:52,748 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. [2021-03-26 13:44:52,757 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 417 selfloop transitions, 327 changer transitions 2/760 dead transitions. [2021-03-26 13:44:52,757 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 760 transitions, 45753 flow [2021-03-26 13:44:52,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:44:52,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:44:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:44:52,758 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:44:52,758 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:44:52,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:44:52,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:52,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:44:52,758 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) [2021-03-26 13:44:52,759 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) [2021-03-26 13:44:52,759 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) [2021-03-26 13:44:52,759 INFO L185 Difference]: Start difference. First operand has 739 places, 748 transitions, 43843 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:44:52,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 760 transitions, 45753 flow [2021-03-26 13:44:55,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 760 transitions, 44819 flow, removed 15 selfloop flow, removed 7 redundant places. [2021-03-26 13:44:55,059 INFO L241 Difference]: Finished difference. Result has 741 places, 749 transitions, 43653 flow [2021-03-26 13:44:55,059 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} [2021-03-26 13:44:55,059 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 703 predicate places. [2021-03-26 13:44:55,059 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:55,059 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 741 places, 749 transitions, 43653 flow [2021-03-26 13:44:55,059 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 741 places, 749 transitions, 43653 flow [2021-03-26 13:44:55,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 739 places, 749 transitions, 43653 flow [2021-03-26 13:44:56,089 INFO L129 PetriNetUnfolder]: 287/3861 cut-off events. [2021-03-26 13:44:56,089 INFO L130 PetriNetUnfolder]: For 279076/279206 co-relation queries the response was YES. [2021-03-26 13:44:56,149 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. [2021-03-26 13:44:56,197 INFO L142 LiptonReduction]: Number of co-enabled transitions 4684 [2021-03-26 13:44:56,283 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:56,283 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:56,283 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1224 [2021-03-26 13:44:56,283 INFO L480 AbstractCegarLoop]: Abstraction has has 739 places, 749 transitions, 43653 flow [2021-03-26 13:44:56,283 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) [2021-03-26 13:44:56,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:56,283 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:44:56,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-03-26 13:44:56,283 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]=== [2021-03-26 13:44:56,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:56,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1924203468, now seen corresponding path program 193 times [2021-03-26 13:44:56,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:56,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333012210] [2021-03-26 13:44:56,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:56,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:56,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:56,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:56,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:56,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:56,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:44:56,301 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:44:56,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:44:56,312 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:44:56,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:44:56,327 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:44:56,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:44:56,349 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:44:56,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:44:56,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:44:56,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333012210] [2021-03-26 13:44:56,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:56,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:44:56,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560262276] [2021-03-26 13:44:56,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:44:56,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:56,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:44:56,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:44:56,369 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:44:56,369 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) [2021-03-26 13:44:56,369 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:56,369 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:44:56,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:58,246 INFO L129 PetriNetUnfolder]: 304/3893 cut-off events. [2021-03-26 13:44:58,246 INFO L130 PetriNetUnfolder]: For 284750/284863 co-relation queries the response was YES. [2021-03-26 13:44:58,303 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. [2021-03-26 13:44:58,312 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 397 selfloop transitions, 347 changer transitions 0/758 dead transitions. [2021-03-26 13:44:58,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 758 transitions, 45429 flow [2021-03-26 13:44:58,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:44:58,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:44:58,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:44:58,313 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:44:58,313 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:44:58,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:44:58,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:58,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:44:58,313 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) [2021-03-26 13:44:58,314 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) [2021-03-26 13:44:58,314 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) [2021-03-26 13:44:58,314 INFO L185 Difference]: Start difference. First operand has 739 places, 749 transitions, 43653 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:44:58,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 758 transitions, 45429 flow [2021-03-26 13:45:00,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 740 places, 758 transitions, 44743 flow, removed 21 selfloop flow, removed 6 redundant places. [2021-03-26 13:45:00,579 INFO L241 Difference]: Finished difference. Result has 741 places, 749 transitions, 43672 flow [2021-03-26 13:45:00,579 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} [2021-03-26 13:45:00,579 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 703 predicate places. [2021-03-26 13:45:00,579 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:00,579 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 741 places, 749 transitions, 43672 flow [2021-03-26 13:45:00,579 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 741 places, 749 transitions, 43672 flow [2021-03-26 13:45:00,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 741 places, 749 transitions, 43672 flow [2021-03-26 13:45:01,685 INFO L129 PetriNetUnfolder]: 287/3860 cut-off events. [2021-03-26 13:45:01,685 INFO L130 PetriNetUnfolder]: For 278910/279072 co-relation queries the response was YES. [2021-03-26 13:45:01,761 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. [2021-03-26 13:45:01,819 INFO L142 LiptonReduction]: Number of co-enabled transitions 4684 [2021-03-26 13:45:01,927 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:01,927 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:01,927 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1348 [2021-03-26 13:45:01,928 INFO L480 AbstractCegarLoop]: Abstraction has has 741 places, 749 transitions, 43672 flow [2021-03-26 13:45:01,928 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) [2021-03-26 13:45:01,928 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:01,928 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:45:01,928 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-03-26 13:45:01,928 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]=== [2021-03-26 13:45:01,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:01,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1919369334, now seen corresponding path program 194 times [2021-03-26 13:45:01,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:01,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347095515] [2021-03-26 13:45:01,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:01,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:01,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:01,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:01,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:01,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:01,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:45:01,948 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:45:01,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:45:01,959 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:45:01,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:45:01,974 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:45:01,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:45:01,994 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:45:01,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:45:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:45:02,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347095515] [2021-03-26 13:45:02,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:02,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:45:02,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514923892] [2021-03-26 13:45:02,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:45:02,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:02,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:45:02,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:45:02,017 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:45:02,017 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) [2021-03-26 13:45:02,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:02,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:45:02,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:45:04,008 INFO L129 PetriNetUnfolder]: 304/3892 cut-off events. [2021-03-26 13:45:04,008 INFO L130 PetriNetUnfolder]: For 284102/284215 co-relation queries the response was YES. [2021-03-26 13:45:04,065 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. [2021-03-26 13:45:04,074 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 392 selfloop transitions, 337 changer transitions 15/758 dead transitions. [2021-03-26 13:45:04,075 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 748 places, 758 transitions, 45448 flow [2021-03-26 13:45:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:45:04,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:45:04,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:45:04,075 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:45:04,076 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:45:04,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:45:04,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:45:04,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:45:04,076 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) [2021-03-26 13:45:04,076 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) [2021-03-26 13:45:04,076 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) [2021-03-26 13:45:04,076 INFO L185 Difference]: Start difference. First operand has 741 places, 749 transitions, 43672 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:45:04,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 748 places, 758 transitions, 45448 flow [2021-03-26 13:45:06,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 758 transitions, 44786 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 13:45:06,577 INFO L241 Difference]: Finished difference. Result has 745 places, 734 transitions, 42588 flow [2021-03-26 13:45:06,577 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} [2021-03-26 13:45:06,577 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 707 predicate places. [2021-03-26 13:45:06,577 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:06,577 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 745 places, 734 transitions, 42588 flow [2021-03-26 13:45:06,578 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 745 places, 734 transitions, 42588 flow [2021-03-26 13:45:06,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 738 places, 734 transitions, 42588 flow [2021-03-26 13:45:07,687 INFO L129 PetriNetUnfolder]: 286/3818 cut-off events. [2021-03-26 13:45:07,688 INFO L130 PetriNetUnfolder]: For 277240/277379 co-relation queries the response was YES. [2021-03-26 13:45:07,760 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. [2021-03-26 13:45:07,812 INFO L142 LiptonReduction]: Number of co-enabled transitions 4528 [2021-03-26 13:45:07,910 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:07,910 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:07,911 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1334 [2021-03-26 13:45:07,911 INFO L480 AbstractCegarLoop]: Abstraction has has 738 places, 734 transitions, 42588 flow [2021-03-26 13:45:07,911 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) [2021-03-26 13:45:07,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:07,911 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:45:07,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-03-26 13:45:07,911 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]=== [2021-03-26 13:45:07,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:07,911 INFO L82 PathProgramCache]: Analyzing trace with hash 108441218, now seen corresponding path program 195 times [2021-03-26 13:45:07,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:07,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333243847] [2021-03-26 13:45:07,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:07,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:07,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:07,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:07,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:07,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:07,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:45:07,929 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:45:07,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:45:07,950 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:45:07,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:45:07,972 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:45:07,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:45:07,993 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:45:07,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:45:08,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:45:08,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333243847] [2021-03-26 13:45:08,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:08,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:45:08,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235950003] [2021-03-26 13:45:08,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:45:08,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:08,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:45:08,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:45:08,013 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:45:08,013 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) [2021-03-26 13:45:08,013 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:08,013 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:45:08,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:45:10,039 INFO L129 PetriNetUnfolder]: 303/3850 cut-off events. [2021-03-26 13:45:10,039 INFO L130 PetriNetUnfolder]: For 283253/283364 co-relation queries the response was YES. [2021-03-26 13:45:10,098 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. [2021-03-26 13:45:10,109 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 389 selfloop transitions, 338 changer transitions 2/743 dead transitions. [2021-03-26 13:45:10,109 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 745 places, 743 transitions, 44342 flow [2021-03-26 13:45:10,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:45:10,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:45:10,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:45:10,110 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:45:10,110 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:45:10,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:45:10,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:45:10,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:45:10,110 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) [2021-03-26 13:45:10,110 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) [2021-03-26 13:45:10,111 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) [2021-03-26 13:45:10,111 INFO L185 Difference]: Start difference. First operand has 738 places, 734 transitions, 42588 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:45:10,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 745 places, 743 transitions, 44342 flow [2021-03-26 13:45:12,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 734 places, 743 transitions, 43616 flow, removed 32 selfloop flow, removed 11 redundant places. [2021-03-26 13:45:12,376 INFO L241 Difference]: Finished difference. Result has 736 places, 734 transitions, 42627 flow [2021-03-26 13:45:12,377 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} [2021-03-26 13:45:12,377 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 698 predicate places. [2021-03-26 13:45:12,377 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:12,377 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 736 places, 734 transitions, 42627 flow [2021-03-26 13:45:12,377 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 736 places, 734 transitions, 42627 flow [2021-03-26 13:45:12,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 735 places, 734 transitions, 42627 flow [2021-03-26 13:45:13,410 INFO L129 PetriNetUnfolder]: 285/3808 cut-off events. [2021-03-26 13:45:13,410 INFO L130 PetriNetUnfolder]: For 260912/261042 co-relation queries the response was YES. [2021-03-26 13:45:13,466 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. [2021-03-26 13:45:13,512 INFO L142 LiptonReduction]: Number of co-enabled transitions 4528 [2021-03-26 13:45:13,603 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:13,603 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:13,603 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1226 [2021-03-26 13:45:13,604 INFO L480 AbstractCegarLoop]: Abstraction has has 735 places, 734 transitions, 42627 flow [2021-03-26 13:45:13,604 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) [2021-03-26 13:45:13,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:13,604 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:45:13,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-03-26 13:45:13,604 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]=== [2021-03-26 13:45:13,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:13,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1079292340, now seen corresponding path program 196 times [2021-03-26 13:45:13,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:13,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282384813] [2021-03-26 13:45:13,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:13,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:13,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:13,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:13,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:13,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:13,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:45:13,640 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:45:13,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:45:13,663 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:45:13,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:45:13,698 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:45:13,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:45:13,725 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:45:13,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:45:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:45:13,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282384813] [2021-03-26 13:45:13,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:13,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:45:13,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906347576] [2021-03-26 13:45:13,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:45:13,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:13,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:45:13,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:45:13,745 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:45:13,746 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) [2021-03-26 13:45:13,746 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:13,746 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:45:13,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:45:15,704 INFO L129 PetriNetUnfolder]: 302/3840 cut-off events. [2021-03-26 13:45:15,704 INFO L130 PetriNetUnfolder]: For 265047/265160 co-relation queries the response was YES. [2021-03-26 13:45:15,764 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. [2021-03-26 13:45:15,774 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 388 selfloop transitions, 336 changer transitions 3/741 dead transitions. [2021-03-26 13:45:15,774 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 742 places, 741 transitions, 44251 flow [2021-03-26 13:45:15,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:45:15,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:45:15,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:45:15,775 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:45:15,776 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:45:15,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:45:15,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:45:15,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:45:15,776 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) [2021-03-26 13:45:15,776 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) [2021-03-26 13:45:15,776 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) [2021-03-26 13:45:15,776 INFO L185 Difference]: Start difference. First operand has 735 places, 734 transitions, 42627 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:45:15,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 742 places, 741 transitions, 44251 flow [2021-03-26 13:45:18,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 737 places, 741 transitions, 43604 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-26 13:45:18,274 INFO L241 Difference]: Finished difference. Result has 738 places, 731 transitions, 42489 flow [2021-03-26 13:45:18,274 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} [2021-03-26 13:45:18,274 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 700 predicate places. [2021-03-26 13:45:18,274 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:18,274 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 738 places, 731 transitions, 42489 flow [2021-03-26 13:45:18,274 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 738 places, 731 transitions, 42489 flow [2021-03-26 13:45:18,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 737 places, 731 transitions, 42489 flow [2021-03-26 13:45:19,331 INFO L129 PetriNetUnfolder]: 284/3797 cut-off events. [2021-03-26 13:45:19,332 INFO L130 PetriNetUnfolder]: For 259511/259641 co-relation queries the response was YES. [2021-03-26 13:45:19,389 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. [2021-03-26 13:45:19,436 INFO L142 LiptonReduction]: Number of co-enabled transitions 4512 [2021-03-26 13:45:19,518 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:19,519 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:19,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1245 [2021-03-26 13:45:19,519 INFO L480 AbstractCegarLoop]: Abstraction has has 737 places, 731 transitions, 42489 flow [2021-03-26 13:45:19,519 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) [2021-03-26 13:45:19,519 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:19,519 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:45:19,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-03-26 13:45:19,519 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]=== [2021-03-26 13:45:19,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:19,519 INFO L82 PathProgramCache]: Analyzing trace with hash -945786664, now seen corresponding path program 197 times [2021-03-26 13:45:19,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:19,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790794914] [2021-03-26 13:45:19,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:19,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:19,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:19,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:19,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:19,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:45:19,536 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:45:19,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:45:19,552 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:45:19,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:45:19,568 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:45:19,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:45:19,587 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:45:19,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:45:19,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:45:19,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790794914] [2021-03-26 13:45:19,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:19,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:45:19,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189192308] [2021-03-26 13:45:19,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:45:19,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:19,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:45:19,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:45:19,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:45:19,606 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) [2021-03-26 13:45:19,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:19,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:45:19,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:45:21,540 INFO L129 PetriNetUnfolder]: 301/3829 cut-off events. [2021-03-26 13:45:21,540 INFO L130 PetriNetUnfolder]: For 263678/263791 co-relation queries the response was YES. [2021-03-26 13:45:21,595 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. [2021-03-26 13:45:21,604 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 381 selfloop transitions, 343 changer transitions 0/738 dead transitions. [2021-03-26 13:45:21,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 744 places, 738 transitions, 44107 flow [2021-03-26 13:45:21,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:45:21,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:45:21,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:45:21,605 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:45:21,605 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:45:21,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:45:21,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:45:21,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:45:21,606 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) [2021-03-26 13:45:21,606 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) [2021-03-26 13:45:21,606 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) [2021-03-26 13:45:21,606 INFO L185 Difference]: Start difference. First operand has 737 places, 731 transitions, 42489 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:45:21,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 744 places, 738 transitions, 44107 flow [2021-03-26 13:45:23,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 738 transitions, 43437 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:45:23,738 INFO L241 Difference]: Finished difference. Result has 740 places, 731 transitions, 42516 flow [2021-03-26 13:45:23,739 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} [2021-03-26 13:45:23,739 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 702 predicate places. [2021-03-26 13:45:23,739 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:23,739 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 740 places, 731 transitions, 42516 flow [2021-03-26 13:45:23,739 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 740 places, 731 transitions, 42516 flow [2021-03-26 13:45:23,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 740 places, 731 transitions, 42516 flow [2021-03-26 13:45:24,724 INFO L129 PetriNetUnfolder]: 284/3796 cut-off events. [2021-03-26 13:45:24,724 INFO L130 PetriNetUnfolder]: For 259379/259508 co-relation queries the response was YES. [2021-03-26 13:45:24,779 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. [2021-03-26 13:45:24,825 INFO L142 LiptonReduction]: Number of co-enabled transitions 4512 [2021-03-26 13:45:24,907 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:24,907 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:24,907 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1168 [2021-03-26 13:45:24,907 INFO L480 AbstractCegarLoop]: Abstraction has has 740 places, 731 transitions, 42516 flow [2021-03-26 13:45:24,907 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) [2021-03-26 13:45:24,907 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:24,907 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:45:24,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-03-26 13:45:24,907 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]=== [2021-03-26 13:45:24,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:24,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1382576628, now seen corresponding path program 198 times [2021-03-26 13:45:24,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:24,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267344613] [2021-03-26 13:45:24,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:24,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:24,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:24,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:24,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:24,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:24,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:45:24,940 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:45:24,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:45:24,959 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:45:24,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:45:24,977 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:45:24,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:45:24,997 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:45:24,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:45:25,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:45:25,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267344613] [2021-03-26 13:45:25,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:25,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:45:25,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884888362] [2021-03-26 13:45:25,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:45:25,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:25,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:45:25,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:45:25,016 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:45:25,017 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) [2021-03-26 13:45:25,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:25,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:45:25,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:45:27,003 INFO L129 PetriNetUnfolder]: 301/3828 cut-off events. [2021-03-26 13:45:27,004 INFO L130 PetriNetUnfolder]: For 263673/263786 co-relation queries the response was YES. [2021-03-26 13:45:27,068 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. [2021-03-26 13:45:27,077 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 383 selfloop transitions, 336 changer transitions 5/738 dead transitions. [2021-03-26 13:45:27,077 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 738 transitions, 44134 flow [2021-03-26 13:45:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:45:27,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:45:27,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:45:27,078 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:45:27,078 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:45:27,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:45:27,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:45:27,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:45:27,078 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) [2021-03-26 13:45:27,079 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) [2021-03-26 13:45:27,079 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) [2021-03-26 13:45:27,079 INFO L185 Difference]: Start difference. First operand has 740 places, 731 transitions, 42516 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:45:27,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 738 transitions, 44134 flow [2021-03-26 13:45:29,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 742 places, 738 transitions, 43415 flow, removed 20 selfloop flow, removed 5 redundant places. [2021-03-26 13:45:29,359 INFO L241 Difference]: Finished difference. Result has 743 places, 726 transitions, 42123 flow [2021-03-26 13:45:29,360 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} [2021-03-26 13:45:29,360 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 705 predicate places. [2021-03-26 13:45:29,360 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:29,360 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 743 places, 726 transitions, 42123 flow [2021-03-26 13:45:29,360 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 743 places, 726 transitions, 42123 flow [2021-03-26 13:45:29,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 740 places, 726 transitions, 42123 flow [2021-03-26 13:45:30,394 INFO L129 PetriNetUnfolder]: 283/3781 cut-off events. [2021-03-26 13:45:30,395 INFO L130 PetriNetUnfolder]: For 258589/258718 co-relation queries the response was YES. [2021-03-26 13:45:30,456 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. [2021-03-26 13:45:30,505 INFO L142 LiptonReduction]: Number of co-enabled transitions 4454 [2021-03-26 13:45:30,590 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:30,591 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:30,591 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1231 [2021-03-26 13:45:30,591 INFO L480 AbstractCegarLoop]: Abstraction has has 740 places, 726 transitions, 42123 flow [2021-03-26 13:45:30,591 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) [2021-03-26 13:45:30,591 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:30,591 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:45:30,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-03-26 13:45:30,591 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]=== [2021-03-26 13:45:30,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:30,591 INFO L82 PathProgramCache]: Analyzing trace with hash -217016436, now seen corresponding path program 199 times [2021-03-26 13:45:30,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:30,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975244402] [2021-03-26 13:45:30,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:30,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:30,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:30,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:30,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:30,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:30,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:45:30,614 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:45:30,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:45:30,631 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:45:30,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:45:30,654 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:45:30,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:45:30,674 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:45:30,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:45:30,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:45:30,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975244402] [2021-03-26 13:45:30,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:30,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:45:30,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99110666] [2021-03-26 13:45:30,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:45:30,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:30,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:45:30,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:45:30,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:45:30,695 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) [2021-03-26 13:45:30,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:30,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:45:30,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:45:32,772 INFO L129 PetriNetUnfolder]: 300/3813 cut-off events. [2021-03-26 13:45:32,772 INFO L130 PetriNetUnfolder]: For 263032/263143 co-relation queries the response was YES. [2021-03-26 13:45:32,827 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. [2021-03-26 13:45:32,835 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 403 selfloop transitions, 312 changer transitions 4/733 dead transitions. [2021-03-26 13:45:32,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 733 transitions, 43739 flow [2021-03-26 13:45:32,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:45:32,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:45:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:45:32,836 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:45:32,836 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:45:32,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:45:32,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:45:32,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:45:32,837 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) [2021-03-26 13:45:32,837 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) [2021-03-26 13:45:32,837 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) [2021-03-26 13:45:32,837 INFO L185 Difference]: Start difference. First operand has 740 places, 726 transitions, 42123 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:45:32,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 733 transitions, 43739 flow [2021-03-26 13:45:34,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 741 places, 733 transitions, 43055 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-03-26 13:45:34,890 INFO L241 Difference]: Finished difference. Result has 742 places, 722 transitions, 41886 flow [2021-03-26 13:45:34,891 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} [2021-03-26 13:45:34,891 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 704 predicate places. [2021-03-26 13:45:34,891 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:34,891 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 742 places, 722 transitions, 41886 flow [2021-03-26 13:45:34,891 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 742 places, 722 transitions, 41886 flow [2021-03-26 13:45:34,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 740 places, 722 transitions, 41886 flow [2021-03-26 13:45:35,873 INFO L129 PetriNetUnfolder]: 282/3769 cut-off events. [2021-03-26 13:45:35,874 INFO L130 PetriNetUnfolder]: For 254823/254953 co-relation queries the response was YES. [2021-03-26 13:45:35,935 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. [2021-03-26 13:45:35,982 INFO L142 LiptonReduction]: Number of co-enabled transitions 4428 [2021-03-26 13:45:36,068 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:36,068 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:36,068 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1177 [2021-03-26 13:45:36,068 INFO L480 AbstractCegarLoop]: Abstraction has has 740 places, 722 transitions, 41886 flow [2021-03-26 13:45:36,068 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) [2021-03-26 13:45:36,068 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:36,068 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:45:36,068 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-03-26 13:45:36,068 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]=== [2021-03-26 13:45:36,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:36,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1537631428, now seen corresponding path program 200 times [2021-03-26 13:45:36,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:36,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466541502] [2021-03-26 13:45:36,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:36,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:36,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:36,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:36,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:36,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:36,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:45:36,086 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:45:36,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:45:36,105 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:45:36,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:45:36,126 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:45:36,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:45:36,146 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:45:36,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:45:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:45:36,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466541502] [2021-03-26 13:45:36,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:36,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:45:36,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602886335] [2021-03-26 13:45:36,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:45:36,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:36,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:45:36,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:45:36,165 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:45:36,166 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) [2021-03-26 13:45:36,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:36,166 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:45:36,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:45:38,129 INFO L129 PetriNetUnfolder]: 299/3801 cut-off events. [2021-03-26 13:45:38,129 INFO L130 PetriNetUnfolder]: For 259079/259190 co-relation queries the response was YES. [2021-03-26 13:45:38,189 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. [2021-03-26 13:45:38,198 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 384 selfloop transitions, 327 changer transitions 4/729 dead transitions. [2021-03-26 13:45:38,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 729 transitions, 43486 flow [2021-03-26 13:45:38,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:45:38,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:45:38,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:45:38,199 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:45:38,199 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:45:38,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:45:38,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:45:38,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:45:38,200 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) [2021-03-26 13:45:38,200 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) [2021-03-26 13:45:38,200 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) [2021-03-26 13:45:38,200 INFO L185 Difference]: Start difference. First operand has 740 places, 722 transitions, 41886 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:45:38,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 729 transitions, 43486 flow [2021-03-26 13:45:40,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 729 transitions, 43050 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 13:45:40,368 INFO L241 Difference]: Finished difference. Result has 745 places, 718 transitions, 41901 flow [2021-03-26 13:45:40,368 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} [2021-03-26 13:45:40,368 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 707 predicate places. [2021-03-26 13:45:40,368 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:40,368 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 745 places, 718 transitions, 41901 flow [2021-03-26 13:45:40,368 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 745 places, 718 transitions, 41901 flow [2021-03-26 13:45:40,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 743 places, 718 transitions, 41901 flow [2021-03-26 13:45:41,417 INFO L129 PetriNetUnfolder]: 281/3757 cut-off events. [2021-03-26 13:45:41,417 INFO L130 PetriNetUnfolder]: For 254866/254996 co-relation queries the response was YES. [2021-03-26 13:45:41,485 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. [2021-03-26 13:45:41,536 INFO L142 LiptonReduction]: Number of co-enabled transitions 4400 [2021-03-26 13:45:41,621 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:41,621 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:41,621 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1253 [2021-03-26 13:45:41,622 INFO L480 AbstractCegarLoop]: Abstraction has has 743 places, 718 transitions, 41901 flow [2021-03-26 13:45:41,622 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) [2021-03-26 13:45:41,622 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:41,622 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:45:41,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-03-26 13:45:41,622 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]=== [2021-03-26 13:45:41,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:41,622 INFO L82 PathProgramCache]: Analyzing trace with hash 474942320, now seen corresponding path program 201 times [2021-03-26 13:45:41,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:41,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496136781] [2021-03-26 13:45:41,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:41,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:41,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:41,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:41,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:41,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:41,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:45:41,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:41,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:45:41,649 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:45:41,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:45:41,664 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:45:41,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:45:41,700 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:45:41,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:45:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:45:41,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496136781] [2021-03-26 13:45:41,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:41,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:45:41,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188459457] [2021-03-26 13:45:41,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:45:41,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:41,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:45:41,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:45:41,725 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:45:41,725 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) [2021-03-26 13:45:41,726 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:41,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:45:41,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:45:43,707 INFO L129 PetriNetUnfolder]: 304/3898 cut-off events. [2021-03-26 13:45:43,707 INFO L130 PetriNetUnfolder]: For 265624/265737 co-relation queries the response was YES. [2021-03-26 13:45:43,768 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. [2021-03-26 13:45:43,776 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 483 selfloop transitions, 319 changer transitions 0/816 dead transitions. [2021-03-26 13:45:43,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 750 places, 816 transitions, 48646 flow [2021-03-26 13:45:43,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:45:43,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:45:43,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:45:43,777 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:45:43,778 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:45:43,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:45:43,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:45:43,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:45:43,778 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) [2021-03-26 13:45:43,778 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) [2021-03-26 13:45:43,778 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) [2021-03-26 13:45:43,778 INFO L185 Difference]: Start difference. First operand has 743 places, 718 transitions, 41901 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:45:43,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 750 places, 816 transitions, 48646 flow [2021-03-26 13:45:46,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 816 transitions, 47892 flow, removed 19 selfloop flow, removed 6 redundant places. [2021-03-26 13:45:46,104 INFO L241 Difference]: Finished difference. Result has 749 places, 754 transitions, 44126 flow [2021-03-26 13:45:46,105 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} [2021-03-26 13:45:46,105 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 711 predicate places. [2021-03-26 13:45:46,105 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:46,105 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 749 places, 754 transitions, 44126 flow [2021-03-26 13:45:46,105 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 749 places, 754 transitions, 44126 flow [2021-03-26 13:45:46,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 749 places, 754 transitions, 44126 flow [2021-03-26 13:45:47,188 INFO L129 PetriNetUnfolder]: 291/3873 cut-off events. [2021-03-26 13:45:47,189 INFO L130 PetriNetUnfolder]: For 265868/265986 co-relation queries the response was YES. [2021-03-26 13:45:47,266 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. [2021-03-26 13:45:47,327 INFO L142 LiptonReduction]: Number of co-enabled transitions 4568 [2021-03-26 13:45:47,428 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:47,428 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:47,429 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1324 [2021-03-26 13:45:47,429 INFO L480 AbstractCegarLoop]: Abstraction has has 749 places, 754 transitions, 44126 flow [2021-03-26 13:45:47,429 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) [2021-03-26 13:45:47,429 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:47,429 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:45:47,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-03-26 13:45:47,429 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]=== [2021-03-26 13:45:47,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:47,429 INFO L82 PathProgramCache]: Analyzing trace with hash -194105444, now seen corresponding path program 202 times [2021-03-26 13:45:47,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:47,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519477664] [2021-03-26 13:45:47,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:47,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:47,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:47,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:47,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:47,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:47,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:45:47,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:47,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:45:47,464 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:45:47,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:45:47,480 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:45:47,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:45:47,499 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:45:47,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:45:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:45:47,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519477664] [2021-03-26 13:45:47,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:47,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:45:47,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263559936] [2021-03-26 13:45:47,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:45:47,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:47,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:45:47,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:45:47,518 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:45:47,518 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) [2021-03-26 13:45:47,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:47,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:45:47,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:45:49,602 INFO L129 PetriNetUnfolder]: 304/3897 cut-off events. [2021-03-26 13:45:49,602 INFO L130 PetriNetUnfolder]: For 269102/269204 co-relation queries the response was YES. [2021-03-26 13:45:49,658 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. [2021-03-26 13:45:49,666 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 427 selfloop transitions, 345 changer transitions 0/786 dead transitions. [2021-03-26 13:45:49,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 756 places, 786 transitions, 47238 flow [2021-03-26 13:45:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:45:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:45:49,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:45:49,667 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:45:49,667 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:45:49,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:45:49,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:45:49,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:45:49,667 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) [2021-03-26 13:45:49,667 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) [2021-03-26 13:45:49,667 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) [2021-03-26 13:45:49,667 INFO L185 Difference]: Start difference. First operand has 749 places, 754 transitions, 44126 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:45:49,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 756 places, 786 transitions, 47238 flow [2021-03-26 13:45:51,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 754 places, 786 transitions, 46788 flow, removed 34 selfloop flow, removed 2 redundant places. [2021-03-26 13:45:51,812 INFO L241 Difference]: Finished difference. Result has 758 places, 772 transitions, 45643 flow [2021-03-26 13:45:51,813 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} [2021-03-26 13:45:51,813 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 720 predicate places. [2021-03-26 13:45:51,813 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:51,813 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 758 places, 772 transitions, 45643 flow [2021-03-26 13:45:51,813 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 758 places, 772 transitions, 45643 flow [2021-03-26 13:45:51,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 758 places, 772 transitions, 45643 flow [2021-03-26 13:45:52,830 INFO L129 PetriNetUnfolder]: 291/3872 cut-off events. [2021-03-26 13:45:52,830 INFO L130 PetriNetUnfolder]: For 274654/274831 co-relation queries the response was YES. [2021-03-26 13:45:52,889 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. [2021-03-26 13:45:52,935 INFO L142 LiptonReduction]: Number of co-enabled transitions 4614 [2021-03-26 13:45:53,029 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:53,029 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:53,029 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1216 [2021-03-26 13:45:53,029 INFO L480 AbstractCegarLoop]: Abstraction has has 758 places, 772 transitions, 45643 flow [2021-03-26 13:45:53,029 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) [2021-03-26 13:45:53,029 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:53,029 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:45:53,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-03-26 13:45:53,029 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]=== [2021-03-26 13:45:53,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:53,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1996832766, now seen corresponding path program 203 times [2021-03-26 13:45:53,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:53,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248061341] [2021-03-26 13:45:53,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:53,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:53,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:53,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:53,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:53,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:53,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:45:53,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:53,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:45:53,056 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:45:53,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:45:53,078 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:45:53,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:45:53,097 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:45:53,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:45:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:45:53,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248061341] [2021-03-26 13:45:53,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:53,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:45:53,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2618413] [2021-03-26 13:45:53,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:45:53,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:53,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:45:53,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:45:53,116 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:45:53,117 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) [2021-03-26 13:45:53,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:53,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:45:53,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:45:55,169 INFO L129 PetriNetUnfolder]: 304/3896 cut-off events. [2021-03-26 13:45:55,169 INFO L130 PetriNetUnfolder]: For 278211/278336 co-relation queries the response was YES. [2021-03-26 13:45:55,227 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. [2021-03-26 13:45:55,237 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 430 selfloop transitions, 340 changer transitions 2/786 dead transitions. [2021-03-26 13:45:55,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 765 places, 786 transitions, 47752 flow [2021-03-26 13:45:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:45:55,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:45:55,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:45:55,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:45:55,238 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:45:55,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:45:55,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:45:55,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:45:55,238 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) [2021-03-26 13:45:55,239 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) [2021-03-26 13:45:55,239 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) [2021-03-26 13:45:55,239 INFO L185 Difference]: Start difference. First operand has 758 places, 772 transitions, 45643 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:45:55,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 765 places, 786 transitions, 47752 flow [2021-03-26 13:45:57,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 762 places, 786 transitions, 47210 flow, removed 37 selfloop flow, removed 3 redundant places. [2021-03-26 13:45:57,665 INFO L241 Difference]: Finished difference. Result has 765 places, 775 transitions, 45960 flow [2021-03-26 13:45:57,665 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} [2021-03-26 13:45:57,666 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 727 predicate places. [2021-03-26 13:45:57,666 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:57,666 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 775 transitions, 45960 flow [2021-03-26 13:45:57,666 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 775 transitions, 45960 flow [2021-03-26 13:45:57,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 764 places, 775 transitions, 45960 flow [2021-03-26 13:45:58,759 INFO L129 PetriNetUnfolder]: 290/3862 cut-off events. [2021-03-26 13:45:58,759 INFO L130 PetriNetUnfolder]: For 277218/277384 co-relation queries the response was YES. [2021-03-26 13:45:58,818 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. [2021-03-26 13:45:58,868 INFO L142 LiptonReduction]: Number of co-enabled transitions 4620 [2021-03-26 13:45:58,964 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:58,964 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:58,964 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1298 [2021-03-26 13:45:58,964 INFO L480 AbstractCegarLoop]: Abstraction has has 764 places, 775 transitions, 45960 flow [2021-03-26 13:45:58,964 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) [2021-03-26 13:45:58,964 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:58,964 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:45:58,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-03-26 13:45:58,965 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]=== [2021-03-26 13:45:58,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:58,965 INFO L82 PathProgramCache]: Analyzing trace with hash 2003408706, now seen corresponding path program 204 times [2021-03-26 13:45:58,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:58,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530543601] [2021-03-26 13:45:58,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:58,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:58,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:58,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:58,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:58,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:58,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:45:58,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:58,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:45:58,991 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:45:58,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:45:59,005 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:45:59,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:45:59,024 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:45:59,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:45:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:45:59,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530543601] [2021-03-26 13:45:59,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:59,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:45:59,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821587856] [2021-03-26 13:45:59,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:45:59,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:59,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:45:59,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:45:59,045 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:45:59,045 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) [2021-03-26 13:45:59,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:59,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:45:59,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:01,095 INFO L129 PetriNetUnfolder]: 303/3886 cut-off events. [2021-03-26 13:46:01,096 INFO L130 PetriNetUnfolder]: For 281039/281158 co-relation queries the response was YES. [2021-03-26 13:46:01,165 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. [2021-03-26 13:46:01,175 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 427 selfloop transitions, 338 changer transitions 5/784 dead transitions. [2021-03-26 13:46:01,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 771 places, 784 transitions, 47823 flow [2021-03-26 13:46:01,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:46:01,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:46:01,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:46:01,176 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:46:01,176 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:46:01,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:46:01,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:01,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:46:01,176 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) [2021-03-26 13:46:01,177 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) [2021-03-26 13:46:01,177 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) [2021-03-26 13:46:01,177 INFO L185 Difference]: Start difference. First operand has 764 places, 775 transitions, 45960 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:46:01,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 771 places, 784 transitions, 47823 flow [2021-03-26 13:46:03,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 766 places, 784 transitions, 47195 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 13:46:03,704 INFO L241 Difference]: Finished difference. Result has 768 places, 772 transitions, 45830 flow [2021-03-26 13:46:03,705 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} [2021-03-26 13:46:03,705 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 730 predicate places. [2021-03-26 13:46:03,705 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:03,705 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 768 places, 772 transitions, 45830 flow [2021-03-26 13:46:03,705 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 768 places, 772 transitions, 45830 flow [2021-03-26 13:46:03,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 766 places, 772 transitions, 45830 flow [2021-03-26 13:46:04,776 INFO L129 PetriNetUnfolder]: 289/3845 cut-off events. [2021-03-26 13:46:04,776 INFO L130 PetriNetUnfolder]: For 275900/276066 co-relation queries the response was YES. [2021-03-26 13:46:04,836 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. [2021-03-26 13:46:04,888 INFO L142 LiptonReduction]: Number of co-enabled transitions 4602 [2021-03-26 13:46:04,984 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:46:04,984 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:46:04,984 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1279 [2021-03-26 13:46:04,984 INFO L480 AbstractCegarLoop]: Abstraction has has 766 places, 772 transitions, 45830 flow [2021-03-26 13:46:04,984 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) [2021-03-26 13:46:04,984 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:46:04,984 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:46:04,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-03-26 13:46:04,984 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]=== [2021-03-26 13:46:04,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:46:04,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1252130268, now seen corresponding path program 205 times [2021-03-26 13:46:04,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:46:04,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258111782] [2021-03-26 13:46:04,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:46:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:46:04,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:04,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:46:04,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:04,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:46:04,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:04,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:46:05,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:05,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:46:05,011 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:46:05,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:46:05,034 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:46:05,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:46:05,053 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:46:05,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:46:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:46:05,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258111782] [2021-03-26 13:46:05,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:46:05,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:46:05,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139182191] [2021-03-26 13:46:05,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:46:05,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:46:05,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:46:05,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:46:05,073 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:46:05,073 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) [2021-03-26 13:46:05,073 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:46:05,073 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:46:05,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:07,071 INFO L129 PetriNetUnfolder]: 302/3869 cut-off events. [2021-03-26 13:46:07,071 INFO L130 PetriNetUnfolder]: For 279820/279937 co-relation queries the response was YES. [2021-03-26 13:46:07,137 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. [2021-03-26 13:46:07,148 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 428 selfloop transitions, 333 changer transitions 3/778 dead transitions. [2021-03-26 13:46:07,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 773 places, 778 transitions, 47539 flow [2021-03-26 13:46:07,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:46:07,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:46:07,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:46:07,149 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:46:07,149 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:46:07,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:46:07,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:07,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:46:07,149 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) [2021-03-26 13:46:07,150 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) [2021-03-26 13:46:07,150 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) [2021-03-26 13:46:07,150 INFO L185 Difference]: Start difference. First operand has 766 places, 772 transitions, 45830 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:46:07,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 773 places, 778 transitions, 47539 flow [2021-03-26 13:46:09,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 767 places, 778 transitions, 47025 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 13:46:09,648 INFO L241 Difference]: Finished difference. Result has 769 places, 770 transitions, 45892 flow [2021-03-26 13:46:09,649 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} [2021-03-26 13:46:09,649 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 731 predicate places. [2021-03-26 13:46:09,649 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:09,649 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 769 places, 770 transitions, 45892 flow [2021-03-26 13:46:09,649 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 769 places, 770 transitions, 45892 flow [2021-03-26 13:46:09,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 767 places, 770 transitions, 45892 flow [2021-03-26 13:46:10,722 INFO L129 PetriNetUnfolder]: 288/3834 cut-off events. [2021-03-26 13:46:10,723 INFO L130 PetriNetUnfolder]: For 272996/273186 co-relation queries the response was YES. [2021-03-26 13:46:10,780 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. [2021-03-26 13:46:10,826 INFO L142 LiptonReduction]: Number of co-enabled transitions 4598 [2021-03-26 13:46:10,920 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:46:10,920 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:46:10,920 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1271 [2021-03-26 13:46:10,920 INFO L480 AbstractCegarLoop]: Abstraction has has 767 places, 770 transitions, 45892 flow [2021-03-26 13:46:10,920 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) [2021-03-26 13:46:10,920 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:46:10,920 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:46:10,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-03-26 13:46:10,920 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]=== [2021-03-26 13:46:10,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:46:10,921 INFO L82 PathProgramCache]: Analyzing trace with hash -894040492, now seen corresponding path program 206 times [2021-03-26 13:46:10,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:46:10,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973235878] [2021-03-26 13:46:10,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:46:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:46:10,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:10,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:46:10,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:10,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:46:10,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:10,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:46:10,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:10,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:46:10,949 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:46:10,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:46:10,963 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:46:10,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:46:10,983 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:46:10,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:46:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:46:11,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973235878] [2021-03-26 13:46:11,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:46:11,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:46:11,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349417103] [2021-03-26 13:46:11,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:46:11,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:46:11,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:46:11,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:46:11,002 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:46:11,002 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) [2021-03-26 13:46:11,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:46:11,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:46:11,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:12,914 INFO L129 PetriNetUnfolder]: 301/3858 cut-off events. [2021-03-26 13:46:12,914 INFO L130 PetriNetUnfolder]: For 276235/276352 co-relation queries the response was YES. [2021-03-26 13:46:12,972 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. [2021-03-26 13:46:12,981 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 431 selfloop transitions, 329 changer transitions 2/776 dead transitions. [2021-03-26 13:46:12,981 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 774 places, 776 transitions, 47562 flow [2021-03-26 13:46:12,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:46:12,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:46:12,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:46:12,982 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:46:12,982 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:46:12,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:46:12,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:12,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:46:12,982 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) [2021-03-26 13:46:12,983 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) [2021-03-26 13:46:12,983 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) [2021-03-26 13:46:12,983 INFO L185 Difference]: Start difference. First operand has 767 places, 770 transitions, 45892 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:46:12,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 774 places, 776 transitions, 47562 flow [2021-03-26 13:46:15,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 769 places, 776 transitions, 46925 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-03-26 13:46:15,474 INFO L241 Difference]: Finished difference. Result has 771 places, 770 transitions, 45923 flow [2021-03-26 13:46:15,475 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} [2021-03-26 13:46:15,475 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 733 predicate places. [2021-03-26 13:46:15,475 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:15,475 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 771 places, 770 transitions, 45923 flow [2021-03-26 13:46:15,475 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 771 places, 770 transitions, 45923 flow [2021-03-26 13:46:15,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 770 places, 770 transitions, 45923 flow [2021-03-26 13:46:16,508 INFO L129 PetriNetUnfolder]: 287/3824 cut-off events. [2021-03-26 13:46:16,508 INFO L130 PetriNetUnfolder]: For 273198/273388 co-relation queries the response was YES. [2021-03-26 13:46:16,566 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. [2021-03-26 13:46:16,614 INFO L142 LiptonReduction]: Number of co-enabled transitions 4598 [2021-03-26 13:46:16,706 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:46:16,707 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:46:16,707 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1232 [2021-03-26 13:46:16,707 INFO L480 AbstractCegarLoop]: Abstraction has has 770 places, 770 transitions, 45923 flow [2021-03-26 13:46:16,707 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) [2021-03-26 13:46:16,707 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:46:16,707 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:46:16,707 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-03-26 13:46:16,707 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]=== [2021-03-26 13:46:16,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:46:16,707 INFO L82 PathProgramCache]: Analyzing trace with hash 2088337376, now seen corresponding path program 207 times [2021-03-26 13:46:16,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:46:16,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029993119] [2021-03-26 13:46:16,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:46:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:46:16,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:16,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:46:16,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:16,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:46:16,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:16,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:46:16,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:16,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:46:16,734 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:46:16,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:46:16,751 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:46:16,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:46:16,771 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:46:16,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:46:16,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:46:16,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029993119] [2021-03-26 13:46:16,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:46:16,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:46:16,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373246481] [2021-03-26 13:46:16,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:46:16,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:46:16,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:46:16,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:46:16,790 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:46:16,790 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) [2021-03-26 13:46:16,790 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:46:16,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:46:16,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:19,005 INFO L129 PetriNetUnfolder]: 300/3848 cut-off events. [2021-03-26 13:46:19,005 INFO L130 PetriNetUnfolder]: For 276498/276617 co-relation queries the response was YES. [2021-03-26 13:46:19,065 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. [2021-03-26 13:46:19,074 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 429 selfloop transitions, 328 changer transitions 3/774 dead transitions. [2021-03-26 13:46:19,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 777 places, 774 transitions, 47515 flow [2021-03-26 13:46:19,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:46:19,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:46:19,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:46:19,075 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:46:19,075 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:46:19,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:46:19,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:19,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:46:19,075 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) [2021-03-26 13:46:19,076 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) [2021-03-26 13:46:19,076 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) [2021-03-26 13:46:19,076 INFO L185 Difference]: Start difference. First operand has 770 places, 770 transitions, 45923 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:46:19,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 777 places, 774 transitions, 47515 flow [2021-03-26 13:46:21,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 773 places, 774 transitions, 46893 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-26 13:46:21,534 INFO L241 Difference]: Finished difference. Result has 774 places, 767 transitions, 45803 flow [2021-03-26 13:46:21,535 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} [2021-03-26 13:46:21,535 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 736 predicate places. [2021-03-26 13:46:21,535 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:21,535 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 774 places, 767 transitions, 45803 flow [2021-03-26 13:46:21,535 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 774 places, 767 transitions, 45803 flow [2021-03-26 13:46:21,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 772 places, 767 transitions, 45803 flow [2021-03-26 13:46:22,617 INFO L129 PetriNetUnfolder]: 286/3813 cut-off events. [2021-03-26 13:46:22,617 INFO L130 PetriNetUnfolder]: For 271999/272116 co-relation queries the response was YES. [2021-03-26 13:46:22,675 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. [2021-03-26 13:46:22,722 INFO L142 LiptonReduction]: Number of co-enabled transitions 4586 [2021-03-26 13:46:22,813 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:46:22,813 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:46:22,813 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1278 [2021-03-26 13:46:22,813 INFO L480 AbstractCegarLoop]: Abstraction has has 772 places, 767 transitions, 45803 flow [2021-03-26 13:46:22,813 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) [2021-03-26 13:46:22,813 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:46:22,813 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:46:22,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-03-26 13:46:22,814 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]=== [2021-03-26 13:46:22,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:46:22,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1991101748, now seen corresponding path program 208 times [2021-03-26 13:46:22,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:46:22,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424649164] [2021-03-26 13:46:22,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:46:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:46:22,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:22,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:46:22,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:22,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:46:22,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:22,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:46:22,830 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:46:22,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:46:22,841 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:46:22,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:46:22,856 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:46:22,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:46:22,875 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:46:22,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:46:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:46:22,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424649164] [2021-03-26 13:46:22,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:46:22,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:46:22,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522472559] [2021-03-26 13:46:22,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:46:22,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:46:22,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:46:22,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:46:22,895 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:46:22,895 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) [2021-03-26 13:46:22,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:46:22,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:46:22,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:24,880 INFO L129 PetriNetUnfolder]: 299/3837 cut-off events. [2021-03-26 13:46:24,880 INFO L130 PetriNetUnfolder]: For 275762/275881 co-relation queries the response was YES. [2021-03-26 13:46:24,937 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. [2021-03-26 13:46:24,946 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 466 selfloop transitions, 319 changer transitions 0/799 dead transitions. [2021-03-26 13:46:24,946 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 799 transitions, 48809 flow [2021-03-26 13:46:24,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:46:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:46:24,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:46:24,947 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:46:24,947 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:46:24,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:46:24,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:24,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:46:24,948 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) [2021-03-26 13:46:24,948 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) [2021-03-26 13:46:24,948 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) [2021-03-26 13:46:24,948 INFO L185 Difference]: Start difference. First operand has 772 places, 767 transitions, 45803 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:46:24,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 799 transitions, 48809 flow [2021-03-26 13:46:27,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 774 places, 799 transitions, 48148 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:46:27,345 INFO L241 Difference]: Finished difference. Result has 777 places, 789 transitions, 47157 flow [2021-03-26 13:46:27,345 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} [2021-03-26 13:46:27,345 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 739 predicate places. [2021-03-26 13:46:27,345 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:27,346 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 777 places, 789 transitions, 47157 flow [2021-03-26 13:46:27,346 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 777 places, 789 transitions, 47157 flow [2021-03-26 13:46:27,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 777 places, 789 transitions, 47157 flow [2021-03-26 13:46:28,387 INFO L129 PetriNetUnfolder]: 286/3812 cut-off events. [2021-03-26 13:46:28,388 INFO L130 PetriNetUnfolder]: For 277805/277983 co-relation queries the response was YES. [2021-03-26 13:46:28,446 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. [2021-03-26 13:46:28,493 INFO L142 LiptonReduction]: Number of co-enabled transitions 4694 [2021-03-26 13:46:28,595 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:46:28,595 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:46:28,595 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1250 [2021-03-26 13:46:28,596 INFO L480 AbstractCegarLoop]: Abstraction has has 777 places, 789 transitions, 47157 flow [2021-03-26 13:46:28,596 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) [2021-03-26 13:46:28,596 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:46:28,596 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:46:28,596 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-03-26 13:46:28,596 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]=== [2021-03-26 13:46:28,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:46:28,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1710119784, now seen corresponding path program 209 times [2021-03-26 13:46:28,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:46:28,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519265729] [2021-03-26 13:46:28,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:46:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:46:28,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:28,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:46:28,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:28,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:46:28,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:28,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:46:28,613 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:46:28,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:46:28,623 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:46:28,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:46:28,638 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:46:28,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:46:28,657 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:46:28,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:46:28,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:46:28,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519265729] [2021-03-26 13:46:28,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:46:28,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:46:28,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430555528] [2021-03-26 13:46:28,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:46:28,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:46:28,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:46:28,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:46:28,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:46:28,676 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) [2021-03-26 13:46:28,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:46:28,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:46:28,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:30,643 INFO L129 PetriNetUnfolder]: 299/3836 cut-off events. [2021-03-26 13:46:30,643 INFO L130 PetriNetUnfolder]: For 281115/281234 co-relation queries the response was YES. [2021-03-26 13:46:30,698 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. [2021-03-26 13:46:30,706 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 468 selfloop transitions, 317 changer transitions 0/799 dead transitions. [2021-03-26 13:46:30,707 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 784 places, 799 transitions, 49051 flow [2021-03-26 13:46:30,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:46:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:46:30,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:46:30,707 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:46:30,708 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:46:30,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:46:30,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:30,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:46:30,708 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) [2021-03-26 13:46:30,708 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) [2021-03-26 13:46:30,708 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) [2021-03-26 13:46:30,708 INFO L185 Difference]: Start difference. First operand has 777 places, 789 transitions, 47157 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:46:30,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 784 places, 799 transitions, 49051 flow [2021-03-26 13:46:33,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 781 places, 799 transitions, 48387 flow, removed 59 selfloop flow, removed 3 redundant places. [2021-03-26 13:46:33,115 INFO L241 Difference]: Finished difference. Result has 782 places, 789 transitions, 47130 flow [2021-03-26 13:46:33,116 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} [2021-03-26 13:46:33,116 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 744 predicate places. [2021-03-26 13:46:33,116 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:33,116 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 782 places, 789 transitions, 47130 flow [2021-03-26 13:46:33,116 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 782 places, 789 transitions, 47130 flow [2021-03-26 13:46:33,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 782 places, 789 transitions, 47130 flow [2021-03-26 13:46:34,178 INFO L129 PetriNetUnfolder]: 286/3811 cut-off events. [2021-03-26 13:46:34,178 INFO L130 PetriNetUnfolder]: For 279176/279342 co-relation queries the response was YES. [2021-03-26 13:46:34,244 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. [2021-03-26 13:46:34,290 INFO L142 LiptonReduction]: Number of co-enabled transitions 4694 [2021-03-26 13:46:34,387 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:46:34,387 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:46:34,388 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1272 [2021-03-26 13:46:34,388 INFO L480 AbstractCegarLoop]: Abstraction has has 782 places, 789 transitions, 47130 flow [2021-03-26 13:46:34,388 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) [2021-03-26 13:46:34,388 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:46:34,388 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:46:34,388 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-03-26 13:46:34,388 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]=== [2021-03-26 13:46:34,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:46:34,388 INFO L82 PathProgramCache]: Analyzing trace with hash 371220452, now seen corresponding path program 210 times [2021-03-26 13:46:34,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:46:34,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254976633] [2021-03-26 13:46:34,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:46:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:46:34,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:34,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:46:34,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:34,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:46:34,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:34,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:46:34,404 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:46:34,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:46:34,415 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:46:34,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:46:34,429 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:46:34,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:46:34,448 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:46:34,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:46:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:46:34,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254976633] [2021-03-26 13:46:34,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:46:34,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:46:34,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542922638] [2021-03-26 13:46:34,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:46:34,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:46:34,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:46:34,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:46:34,467 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:46:34,467 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) [2021-03-26 13:46:34,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:46:34,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:46:34,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:36,438 INFO L129 PetriNetUnfolder]: 299/3835 cut-off events. [2021-03-26 13:46:36,438 INFO L130 PetriNetUnfolder]: For 283074/283193 co-relation queries the response was YES. [2021-03-26 13:46:36,498 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. [2021-03-26 13:46:36,507 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 311 changer transitions 0/799 dead transitions. [2021-03-26 13:46:36,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 789 places, 799 transitions, 49032 flow [2021-03-26 13:46:36,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:46:36,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:46:36,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:46:36,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:46:36,508 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:46:36,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:46:36,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:36,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:46:36,508 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) [2021-03-26 13:46:36,509 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) [2021-03-26 13:46:36,509 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) [2021-03-26 13:46:36,509 INFO L185 Difference]: Start difference. First operand has 782 places, 789 transitions, 47130 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:46:36,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 789 places, 799 transitions, 49032 flow [2021-03-26 13:46:39,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 786 places, 799 transitions, 48552 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-03-26 13:46:39,039 INFO L241 Difference]: Finished difference. Result has 787 places, 789 transitions, 47275 flow [2021-03-26 13:46:39,039 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} [2021-03-26 13:46:39,039 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 749 predicate places. [2021-03-26 13:46:39,039 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:39,039 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 787 places, 789 transitions, 47275 flow [2021-03-26 13:46:39,040 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 787 places, 789 transitions, 47275 flow [2021-03-26 13:46:39,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 787 places, 789 transitions, 47275 flow [2021-03-26 13:46:40,114 INFO L129 PetriNetUnfolder]: 286/3810 cut-off events. [2021-03-26 13:46:40,114 INFO L130 PetriNetUnfolder]: For 283351/283517 co-relation queries the response was YES. [2021-03-26 13:46:40,177 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. [2021-03-26 13:46:40,224 INFO L142 LiptonReduction]: Number of co-enabled transitions 4694 [2021-03-26 13:46:40,333 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:46:40,333 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:46:40,333 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1294 [2021-03-26 13:46:40,333 INFO L480 AbstractCegarLoop]: Abstraction has has 787 places, 789 transitions, 47275 flow [2021-03-26 13:46:40,333 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) [2021-03-26 13:46:40,334 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:46:40,334 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:46:40,334 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-03-26 13:46:40,334 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]=== [2021-03-26 13:46:40,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:46:40,334 INFO L82 PathProgramCache]: Analyzing trace with hash 363060258, now seen corresponding path program 211 times [2021-03-26 13:46:40,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:46:40,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197541564] [2021-03-26 13:46:40,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:46:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:46:40,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:40,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:46:40,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:40,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:46:40,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:40,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:46:40,351 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:46:40,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:46:40,362 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:46:40,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:46:40,376 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:46:40,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:46:40,395 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:46:40,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:46:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:46:40,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197541564] [2021-03-26 13:46:40,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:46:40,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:46:40,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134065169] [2021-03-26 13:46:40,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:46:40,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:46:40,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:46:40,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:46:40,415 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:46:40,415 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) [2021-03-26 13:46:40,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:46:40,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:46:40,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:42,290 INFO L129 PetriNetUnfolder]: 299/3834 cut-off events. [2021-03-26 13:46:42,290 INFO L130 PetriNetUnfolder]: For 287448/287565 co-relation queries the response was YES. [2021-03-26 13:46:42,348 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. [2021-03-26 13:46:42,356 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 311 changer transitions 0/799 dead transitions. [2021-03-26 13:46:42,356 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 794 places, 799 transitions, 49185 flow [2021-03-26 13:46:42,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:46:42,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:46:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:46:42,357 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:46:42,357 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:46:42,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:46:42,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:42,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:46:42,358 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) [2021-03-26 13:46:42,358 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) [2021-03-26 13:46:42,358 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) [2021-03-26 13:46:42,358 INFO L185 Difference]: Start difference. First operand has 787 places, 789 transitions, 47275 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:46:42,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 794 places, 799 transitions, 49185 flow [2021-03-26 13:46:44,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 791 places, 799 transitions, 48611 flow, removed 21 selfloop flow, removed 3 redundant places. [2021-03-26 13:46:44,748 INFO L241 Difference]: Finished difference. Result has 792 places, 789 transitions, 47326 flow [2021-03-26 13:46:44,748 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} [2021-03-26 13:46:44,748 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 754 predicate places. [2021-03-26 13:46:44,748 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:44,749 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 792 places, 789 transitions, 47326 flow [2021-03-26 13:46:44,749 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 792 places, 789 transitions, 47326 flow [2021-03-26 13:46:44,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 792 places, 789 transitions, 47326 flow [2021-03-26 13:46:45,780 INFO L129 PetriNetUnfolder]: 286/3809 cut-off events. [2021-03-26 13:46:45,781 INFO L130 PetriNetUnfolder]: For 286466/286658 co-relation queries the response was YES. [2021-03-26 13:46:45,837 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. [2021-03-26 13:46:45,886 INFO L142 LiptonReduction]: Number of co-enabled transitions 4694 [2021-03-26 13:46:45,984 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:46:45,984 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:46:45,984 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1236 [2021-03-26 13:46:45,985 INFO L480 AbstractCegarLoop]: Abstraction has has 792 places, 789 transitions, 47326 flow [2021-03-26 13:46:45,985 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) [2021-03-26 13:46:45,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:46:45,985 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:46:45,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-03-26 13:46:45,985 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]=== [2021-03-26 13:46:45,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:46:45,985 INFO L82 PathProgramCache]: Analyzing trace with hash -816166160, now seen corresponding path program 212 times [2021-03-26 13:46:45,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:46:45,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952450037] [2021-03-26 13:46:45,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:46:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:46:45,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:45,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:46:45,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:45,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:46:45,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:45,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:46:46,002 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:46:46,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:46:46,020 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:46:46,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:46:46,041 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:46:46,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:46:46,074 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:46:46,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:46:46,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:46:46,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952450037] [2021-03-26 13:46:46,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:46:46,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:46:46,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843002287] [2021-03-26 13:46:46,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:46:46,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:46:46,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:46:46,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:46:46,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:46:46,094 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) [2021-03-26 13:46:46,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:46:46,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:46:46,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:48,018 INFO L129 PetriNetUnfolder]: 299/3833 cut-off events. [2021-03-26 13:46:48,018 INFO L130 PetriNetUnfolder]: For 290832/290951 co-relation queries the response was YES. [2021-03-26 13:46:48,077 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. [2021-03-26 13:46:48,086 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 466 selfloop transitions, 317 changer transitions 2/799 dead transitions. [2021-03-26 13:46:48,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 799 places, 799 transitions, 49244 flow [2021-03-26 13:46:48,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:46:48,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:46:48,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:46:48,087 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:46:48,087 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:46:48,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:46:48,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:48,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:46:48,087 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) [2021-03-26 13:46:48,088 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) [2021-03-26 13:46:48,088 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) [2021-03-26 13:46:48,088 INFO L185 Difference]: Start difference. First operand has 792 places, 789 transitions, 47326 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:46:48,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 799 places, 799 transitions, 49244 flow [2021-03-26 13:46:50,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 795 places, 799 transitions, 48647 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 13:46:50,549 INFO L241 Difference]: Finished difference. Result has 797 places, 793 transitions, 47642 flow [2021-03-26 13:46:50,550 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} [2021-03-26 13:46:50,550 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 759 predicate places. [2021-03-26 13:46:50,550 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:50,550 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 797 places, 793 transitions, 47642 flow [2021-03-26 13:46:50,550 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 797 places, 793 transitions, 47642 flow [2021-03-26 13:46:50,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 796 places, 793 transitions, 47642 flow [2021-03-26 13:46:51,599 INFO L129 PetriNetUnfolder]: 285/3799 cut-off events. [2021-03-26 13:46:51,599 INFO L130 PetriNetUnfolder]: For 293024/293216 co-relation queries the response was YES. [2021-03-26 13:46:51,657 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. [2021-03-26 13:46:51,832 INFO L142 LiptonReduction]: Number of co-enabled transitions 4706 [2021-03-26 13:46:51,920 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:46:51,921 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:46:51,921 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1371 [2021-03-26 13:46:51,921 INFO L480 AbstractCegarLoop]: Abstraction has has 796 places, 793 transitions, 47642 flow [2021-03-26 13:46:51,921 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) [2021-03-26 13:46:51,921 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:46:51,921 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:46:51,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-03-26 13:46:51,921 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]=== [2021-03-26 13:46:51,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:46:51,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1228018818, now seen corresponding path program 213 times [2021-03-26 13:46:51,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:46:51,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249592969] [2021-03-26 13:46:51,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:46:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:46:51,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:51,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:46:51,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:51,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:46:51,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:51,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:46:51,938 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:46:51,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:46:51,949 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:46:51,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:46:51,974 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:46:51,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:46:51,993 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:46:51,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:46:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:46:52,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249592969] [2021-03-26 13:46:52,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:46:52,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:46:52,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781825499] [2021-03-26 13:46:52,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:46:52,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:46:52,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:46:52,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:46:52,011 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:46:52,012 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) [2021-03-26 13:46:52,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:46:52,012 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:46:52,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:54,039 INFO L129 PetriNetUnfolder]: 298/3823 cut-off events. [2021-03-26 13:46:54,039 INFO L130 PetriNetUnfolder]: For 297761/297880 co-relation queries the response was YES. [2021-03-26 13:46:54,101 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. [2021-03-26 13:46:54,111 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 465 selfloop transitions, 318 changer transitions 0/797 dead transitions. [2021-03-26 13:46:54,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 803 places, 797 transitions, 49312 flow [2021-03-26 13:46:54,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:46:54,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:46:54,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:46:54,112 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:46:54,112 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:46:54,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:46:54,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:54,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:46:54,112 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) [2021-03-26 13:46:54,113 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) [2021-03-26 13:46:54,113 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) [2021-03-26 13:46:54,113 INFO L185 Difference]: Start difference. First operand has 796 places, 793 transitions, 47642 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:46:54,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 803 places, 797 transitions, 49312 flow [2021-03-26 13:46:56,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 800 places, 797 transitions, 49042 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-03-26 13:46:56,531 INFO L241 Difference]: Finished difference. Result has 801 places, 793 transitions, 48019 flow [2021-03-26 13:46:56,531 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} [2021-03-26 13:46:56,531 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 763 predicate places. [2021-03-26 13:46:56,531 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:46:56,531 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 801 places, 793 transitions, 48019 flow [2021-03-26 13:46:56,531 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 801 places, 793 transitions, 48019 flow [2021-03-26 13:46:56,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 801 places, 793 transitions, 48019 flow [2021-03-26 13:46:57,646 INFO L129 PetriNetUnfolder]: 285/3798 cut-off events. [2021-03-26 13:46:57,646 INFO L130 PetriNetUnfolder]: For 294901/295096 co-relation queries the response was YES. [2021-03-26 13:46:57,700 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. [2021-03-26 13:46:57,743 INFO L142 LiptonReduction]: Number of co-enabled transitions 4706 [2021-03-26 13:46:57,829 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:46:57,829 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:46:57,829 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1298 [2021-03-26 13:46:57,829 INFO L480 AbstractCegarLoop]: Abstraction has has 801 places, 793 transitions, 48019 flow [2021-03-26 13:46:57,829 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) [2021-03-26 13:46:57,829 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:46:57,829 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:46:57,829 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-03-26 13:46:57,829 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]=== [2021-03-26 13:46:57,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:46:57,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1564298844, now seen corresponding path program 214 times [2021-03-26 13:46:57,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:46:57,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337854310] [2021-03-26 13:46:57,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:46:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:46:57,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:57,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:46:57,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:57,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:46:57,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:46:57,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:46:57,846 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:46:57,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:46:57,856 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:46:57,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:46:57,882 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:46:57,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:46:57,901 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:46:57,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:46:57,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:46:57,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337854310] [2021-03-26 13:46:57,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:46:57,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:46:57,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129701490] [2021-03-26 13:46:57,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:46:57,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:46:57,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:46:57,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:46:57,920 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:46:57,920 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) [2021-03-26 13:46:57,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:46:57,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:46:57,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:59,918 INFO L129 PetriNetUnfolder]: 298/3822 cut-off events. [2021-03-26 13:46:59,918 INFO L130 PetriNetUnfolder]: For 299519/299638 co-relation queries the response was YES. [2021-03-26 13:46:59,981 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. [2021-03-26 13:46:59,991 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 461 selfloop transitions, 310 changer transitions 12/797 dead transitions. [2021-03-26 13:46:59,992 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 808 places, 797 transitions, 49689 flow [2021-03-26 13:46:59,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:46:59,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:46:59,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:46:59,992 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:46:59,992 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:46:59,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:46:59,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:59,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:46:59,993 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) [2021-03-26 13:46:59,993 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) [2021-03-26 13:46:59,993 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) [2021-03-26 13:46:59,993 INFO L185 Difference]: Start difference. First operand has 801 places, 793 transitions, 48019 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:46:59,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 808 places, 797 transitions, 49689 flow [2021-03-26 13:47:02,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 805 places, 797 transitions, 49102 flow, removed 28 selfloop flow, removed 3 redundant places. [2021-03-26 13:47:02,535 INFO L241 Difference]: Finished difference. Result has 806 places, 781 transitions, 47088 flow [2021-03-26 13:47:02,535 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} [2021-03-26 13:47:02,536 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 768 predicate places. [2021-03-26 13:47:02,536 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:02,536 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 806 places, 781 transitions, 47088 flow [2021-03-26 13:47:02,536 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 806 places, 781 transitions, 47088 flow [2021-03-26 13:47:02,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 781 transitions, 47088 flow [2021-03-26 13:47:03,612 INFO L129 PetriNetUnfolder]: 284/3755 cut-off events. [2021-03-26 13:47:03,612 INFO L130 PetriNetUnfolder]: For 293046/293227 co-relation queries the response was YES. [2021-03-26 13:47:03,668 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. [2021-03-26 13:47:03,715 INFO L142 LiptonReduction]: Number of co-enabled transitions 4588 [2021-03-26 13:47:03,802 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:03,803 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:03,803 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1267 [2021-03-26 13:47:03,803 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 781 transitions, 47088 flow [2021-03-26 13:47:03,803 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) [2021-03-26 13:47:03,803 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:03,803 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:47:03,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-03-26 13:47:03,803 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]=== [2021-03-26 13:47:03,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:03,803 INFO L82 PathProgramCache]: Analyzing trace with hash 10160144, now seen corresponding path program 215 times [2021-03-26 13:47:03,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:03,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787511455] [2021-03-26 13:47:03,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:03,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:03,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:03,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:03,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:03,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:03,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:47:03,823 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:47:03,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:47:03,845 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:47:03,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:47:03,869 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:47:03,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:47:03,889 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:47:03,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:47:03,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:47:03,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787511455] [2021-03-26 13:47:03,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:03,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:47:03,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49795769] [2021-03-26 13:47:03,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:47:03,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:03,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:47:03,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:47:03,908 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:47:03,908 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) [2021-03-26 13:47:03,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:03,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:47:03,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:05,835 INFO L129 PetriNetUnfolder]: 297/3779 cut-off events. [2021-03-26 13:47:05,835 INFO L130 PetriNetUnfolder]: For 298282/298399 co-relation queries the response was YES. [2021-03-26 13:47:05,905 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. [2021-03-26 13:47:05,915 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 459 selfloop transitions, 309 changer transitions 3/785 dead transitions. [2021-03-26 13:47:05,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 785 transitions, 48742 flow [2021-03-26 13:47:05,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:47:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:47:05,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:47:05,916 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:47:05,916 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:47:05,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:47:05,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:05,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:47:05,916 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) [2021-03-26 13:47:05,917 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) [2021-03-26 13:47:05,917 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) [2021-03-26 13:47:05,917 INFO L185 Difference]: Start difference. First operand has 800 places, 781 transitions, 47088 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:47:05,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 785 transitions, 48742 flow [2021-03-26 13:47:08,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 797 places, 785 transitions, 48084 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-03-26 13:47:08,347 INFO L241 Difference]: Finished difference. Result has 798 places, 778 transitions, 46906 flow [2021-03-26 13:47:08,347 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} [2021-03-26 13:47:08,347 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 760 predicate places. [2021-03-26 13:47:08,347 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:08,347 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 798 places, 778 transitions, 46906 flow [2021-03-26 13:47:08,347 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 798 places, 778 transitions, 46906 flow [2021-03-26 13:47:08,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 797 places, 778 transitions, 46906 flow [2021-03-26 13:47:09,380 INFO L129 PetriNetUnfolder]: 283/3744 cut-off events. [2021-03-26 13:47:09,380 INFO L130 PetriNetUnfolder]: For 273770/273950 co-relation queries the response was YES. [2021-03-26 13:47:09,435 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. [2021-03-26 13:47:09,479 INFO L142 LiptonReduction]: Number of co-enabled transitions 4566 [2021-03-26 13:47:09,565 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:09,565 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:09,565 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1218 [2021-03-26 13:47:09,565 INFO L480 AbstractCegarLoop]: Abstraction has has 797 places, 778 transitions, 46906 flow [2021-03-26 13:47:09,565 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) [2021-03-26 13:47:09,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:09,565 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:47:09,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-03-26 13:47:09,565 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]=== [2021-03-26 13:47:09,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:09,566 INFO L82 PathProgramCache]: Analyzing trace with hash 370743798, now seen corresponding path program 216 times [2021-03-26 13:47:09,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:09,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661987273] [2021-03-26 13:47:09,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:09,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:09,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:09,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:09,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:09,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:09,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:47:09,582 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:47:09,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:47:09,601 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:47:09,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:47:09,616 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:47:09,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:47:09,635 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:47:09,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:47:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:47:09,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661987273] [2021-03-26 13:47:09,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:09,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:47:09,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382996455] [2021-03-26 13:47:09,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:47:09,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:09,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:47:09,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:47:09,655 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:47:09,655 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) [2021-03-26 13:47:09,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:09,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:47:09,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:11,582 INFO L129 PetriNetUnfolder]: 296/3768 cut-off events. [2021-03-26 13:47:11,582 INFO L130 PetriNetUnfolder]: For 277048/277165 co-relation queries the response was YES. [2021-03-26 13:47:11,638 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. [2021-03-26 13:47:11,647 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 454 selfloop transitions, 314 changer transitions 0/782 dead transitions. [2021-03-26 13:47:11,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 804 places, 782 transitions, 48514 flow [2021-03-26 13:47:11,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:47:11,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:47:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:47:11,648 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:47:11,648 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:47:11,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:47:11,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:11,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:47:11,648 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) [2021-03-26 13:47:11,649 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) [2021-03-26 13:47:11,649 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) [2021-03-26 13:47:11,649 INFO L185 Difference]: Start difference. First operand has 797 places, 778 transitions, 46906 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:47:11,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 804 places, 782 transitions, 48514 flow [2021-03-26 13:47:13,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 799 places, 782 transitions, 47906 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-26 13:47:13,887 INFO L241 Difference]: Finished difference. Result has 800 places, 778 transitions, 46937 flow [2021-03-26 13:47:13,887 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} [2021-03-26 13:47:13,887 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 762 predicate places. [2021-03-26 13:47:13,888 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:13,888 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 800 places, 778 transitions, 46937 flow [2021-03-26 13:47:13,888 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 800 places, 778 transitions, 46937 flow [2021-03-26 13:47:13,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 778 transitions, 46937 flow [2021-03-26 13:47:14,917 INFO L129 PetriNetUnfolder]: 283/3743 cut-off events. [2021-03-26 13:47:14,917 INFO L130 PetriNetUnfolder]: For 273538/273688 co-relation queries the response was YES. [2021-03-26 13:47:14,972 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. [2021-03-26 13:47:15,017 INFO L142 LiptonReduction]: Number of co-enabled transitions 4566 [2021-03-26 13:47:15,103 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:15,104 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:15,104 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1217 [2021-03-26 13:47:15,104 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 778 transitions, 46937 flow [2021-03-26 13:47:15,104 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) [2021-03-26 13:47:15,104 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:15,104 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:47:15,104 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2021-03-26 13:47:15,104 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]=== [2021-03-26 13:47:15,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:15,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1191004318, now seen corresponding path program 217 times [2021-03-26 13:47:15,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:15,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652987469] [2021-03-26 13:47:15,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:15,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:15,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:15,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:15,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:15,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:15,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:47:15,123 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:47:15,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:47:15,142 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:47:15,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:47:15,168 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:47:15,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:47:15,187 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:47:15,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:47:15,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:47:15,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652987469] [2021-03-26 13:47:15,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:15,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:47:15,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852441294] [2021-03-26 13:47:15,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:47:15,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:15,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:47:15,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:47:15,219 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:47:15,219 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) [2021-03-26 13:47:15,219 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:15,219 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:47:15,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:17,211 INFO L129 PetriNetUnfolder]: 296/3767 cut-off events. [2021-03-26 13:47:17,211 INFO L130 PetriNetUnfolder]: For 277020/277136 co-relation queries the response was YES. [2021-03-26 13:47:17,300 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. [2021-03-26 13:47:17,311 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 451 selfloop transitions, 313 changer transitions 4/782 dead transitions. [2021-03-26 13:47:17,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 782 transitions, 48545 flow [2021-03-26 13:47:17,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:47:17,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:47:17,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:47:17,313 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:47:17,313 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:47:17,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:47:17,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:17,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:47:17,313 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) [2021-03-26 13:47:17,314 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) [2021-03-26 13:47:17,314 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) [2021-03-26 13:47:17,314 INFO L185 Difference]: Start difference. First operand has 800 places, 778 transitions, 46937 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:47:17,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 782 transitions, 48545 flow [2021-03-26 13:47:19,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 801 places, 782 transitions, 47497 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-26 13:47:19,828 INFO L241 Difference]: Finished difference. Result has 802 places, 774 transitions, 46229 flow [2021-03-26 13:47:19,829 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} [2021-03-26 13:47:19,829 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 764 predicate places. [2021-03-26 13:47:19,829 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:19,829 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 802 places, 774 transitions, 46229 flow [2021-03-26 13:47:19,829 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 802 places, 774 transitions, 46229 flow [2021-03-26 13:47:19,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 774 transitions, 46229 flow [2021-03-26 13:47:20,866 INFO L129 PetriNetUnfolder]: 282/3726 cut-off events. [2021-03-26 13:47:20,866 INFO L130 PetriNetUnfolder]: For 269774/269948 co-relation queries the response was YES. [2021-03-26 13:47:20,922 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. [2021-03-26 13:47:20,970 INFO L142 LiptonReduction]: Number of co-enabled transitions 4530 [2021-03-26 13:47:21,060 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:21,061 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:21,061 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1232 [2021-03-26 13:47:21,061 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 774 transitions, 46229 flow [2021-03-26 13:47:21,061 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) [2021-03-26 13:47:21,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:21,061 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:47:21,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2021-03-26 13:47:21,061 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]=== [2021-03-26 13:47:21,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:21,061 INFO L82 PathProgramCache]: Analyzing trace with hash 699467228, now seen corresponding path program 218 times [2021-03-26 13:47:21,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:21,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080358559] [2021-03-26 13:47:21,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:21,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:21,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:21,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:21,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:21,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:21,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:47:21,081 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:47:21,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:47:21,100 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:47:21,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:47:21,115 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:47:21,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:47:21,134 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:47:21,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:47:21,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:47:21,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080358559] [2021-03-26 13:47:21,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:21,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:47:21,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081707189] [2021-03-26 13:47:21,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:47:21,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:21,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:47:21,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:47:21,154 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:47:21,154 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) [2021-03-26 13:47:21,154 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:21,154 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:47:21,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:23,112 INFO L129 PetriNetUnfolder]: 295/3750 cut-off events. [2021-03-26 13:47:23,112 INFO L130 PetriNetUnfolder]: For 273515/273631 co-relation queries the response was YES. [2021-03-26 13:47:23,169 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. [2021-03-26 13:47:23,178 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 463 selfloop transitions, 299 changer transitions 2/778 dead transitions. [2021-03-26 13:47:23,178 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 778 transitions, 47837 flow [2021-03-26 13:47:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:47:23,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:47:23,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:47:23,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:47:23,179 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:47:23,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:47:23,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:23,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:47:23,179 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) [2021-03-26 13:47:23,179 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) [2021-03-26 13:47:23,179 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) [2021-03-26 13:47:23,179 INFO L185 Difference]: Start difference. First operand has 800 places, 774 transitions, 46229 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:47:23,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 778 transitions, 47837 flow [2021-03-26 13:47:25,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 800 places, 778 transitions, 47198 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-03-26 13:47:25,514 INFO L241 Difference]: Finished difference. Result has 801 places, 772 transitions, 46080 flow [2021-03-26 13:47:25,515 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} [2021-03-26 13:47:25,515 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 763 predicate places. [2021-03-26 13:47:25,515 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:25,515 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 801 places, 772 transitions, 46080 flow [2021-03-26 13:47:25,515 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 801 places, 772 transitions, 46080 flow [2021-03-26 13:47:25,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 772 transitions, 46080 flow [2021-03-26 13:47:26,549 INFO L129 PetriNetUnfolder]: 281/3716 cut-off events. [2021-03-26 13:47:26,550 INFO L130 PetriNetUnfolder]: For 265959/266133 co-relation queries the response was YES. [2021-03-26 13:47:26,607 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. [2021-03-26 13:47:26,656 INFO L142 LiptonReduction]: Number of co-enabled transitions 4526 [2021-03-26 13:47:26,743 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:26,743 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:26,743 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1228 [2021-03-26 13:47:26,743 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 772 transitions, 46080 flow [2021-03-26 13:47:26,743 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) [2021-03-26 13:47:26,743 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:26,743 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:47:26,743 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2021-03-26 13:47:26,744 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]=== [2021-03-26 13:47:26,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:26,744 INFO L82 PathProgramCache]: Analyzing trace with hash -45807486, now seen corresponding path program 219 times [2021-03-26 13:47:26,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:26,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232715246] [2021-03-26 13:47:26,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:26,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:26,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:26,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:26,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:26,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:26,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:47:26,764 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:47:26,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:47:26,782 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:47:26,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:47:26,797 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:47:26,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:47:26,815 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:47:26,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:47:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:47:26,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232715246] [2021-03-26 13:47:26,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:26,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:47:26,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459252814] [2021-03-26 13:47:26,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:47:26,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:26,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:47:26,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:47:26,834 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:47:26,835 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) [2021-03-26 13:47:26,835 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:26,835 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:47:26,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:28,764 INFO L129 PetriNetUnfolder]: 294/3740 cut-off events. [2021-03-26 13:47:28,765 INFO L130 PetriNetUnfolder]: For 269162/269276 co-relation queries the response was YES. [2021-03-26 13:47:28,832 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. [2021-03-26 13:47:28,843 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 300 changer transitions 2/776 dead transitions. [2021-03-26 13:47:28,843 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 776 transitions, 47676 flow [2021-03-26 13:47:28,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:47:28,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:47:28,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:47:28,844 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:47:28,844 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:47:28,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:47:28,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:28,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:47:28,844 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) [2021-03-26 13:47:28,845 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) [2021-03-26 13:47:28,845 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) [2021-03-26 13:47:28,845 INFO L185 Difference]: Start difference. First operand has 800 places, 772 transitions, 46080 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:47:28,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 776 transitions, 47676 flow [2021-03-26 13:47:31,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 804 places, 776 transitions, 47264 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-26 13:47:31,202 INFO L241 Difference]: Finished difference. Result has 805 places, 770 transitions, 46144 flow [2021-03-26 13:47:31,203 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} [2021-03-26 13:47:31,203 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 767 predicate places. [2021-03-26 13:47:31,203 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:31,203 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 805 places, 770 transitions, 46144 flow [2021-03-26 13:47:31,203 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 805 places, 770 transitions, 46144 flow [2021-03-26 13:47:31,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 803 places, 770 transitions, 46144 flow [2021-03-26 13:47:32,251 INFO L129 PetriNetUnfolder]: 280/3706 cut-off events. [2021-03-26 13:47:32,251 INFO L130 PetriNetUnfolder]: For 265802/265952 co-relation queries the response was YES. [2021-03-26 13:47:32,311 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. [2021-03-26 13:47:32,356 INFO L142 LiptonReduction]: Number of co-enabled transitions 4516 [2021-03-26 13:47:32,446 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:32,446 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:32,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1243 [2021-03-26 13:47:32,446 INFO L480 AbstractCegarLoop]: Abstraction has has 803 places, 770 transitions, 46144 flow [2021-03-26 13:47:32,447 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) [2021-03-26 13:47:32,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:32,447 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:47:32,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2021-03-26 13:47:32,447 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]=== [2021-03-26 13:47:32,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:32,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1652673100, now seen corresponding path program 220 times [2021-03-26 13:47:32,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:32,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736009850] [2021-03-26 13:47:32,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:32,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:32,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:32,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:32,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:32,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:32,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:47:32,467 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:47:32,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:47:32,486 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:47:32,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:47:32,507 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:47:32,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:47:32,526 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:47:32,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:47:32,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:47:32,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736009850] [2021-03-26 13:47:32,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:32,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:47:32,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851135314] [2021-03-26 13:47:32,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:47:32,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:32,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:47:32,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:47:32,545 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:47:32,545 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) [2021-03-26 13:47:32,545 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:32,545 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:47:32,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:34,442 INFO L129 PetriNetUnfolder]: 293/3730 cut-off events. [2021-03-26 13:47:34,442 INFO L130 PetriNetUnfolder]: For 269230/269344 co-relation queries the response was YES. [2021-03-26 13:47:34,498 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. [2021-03-26 13:47:34,507 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 454 selfloop transitions, 304 changer transitions 2/774 dead transitions. [2021-03-26 13:47:34,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 810 places, 774 transitions, 47736 flow [2021-03-26 13:47:34,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:47:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:47:34,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:47:34,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:47:34,508 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:47:34,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:47:34,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:34,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:47:34,508 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) [2021-03-26 13:47:34,509 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) [2021-03-26 13:47:34,509 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) [2021-03-26 13:47:34,509 INFO L185 Difference]: Start difference. First operand has 803 places, 770 transitions, 46144 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:47:34,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 810 places, 774 transitions, 47736 flow [2021-03-26 13:47:36,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 805 places, 774 transitions, 47138 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:47:36,911 INFO L241 Difference]: Finished difference. Result has 806 places, 768 transitions, 46020 flow [2021-03-26 13:47:36,911 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} [2021-03-26 13:47:36,911 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 768 predicate places. [2021-03-26 13:47:36,911 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:36,911 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 806 places, 768 transitions, 46020 flow [2021-03-26 13:47:36,912 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 806 places, 768 transitions, 46020 flow [2021-03-26 13:47:36,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 768 transitions, 46020 flow [2021-03-26 13:47:37,998 INFO L129 PetriNetUnfolder]: 279/3696 cut-off events. [2021-03-26 13:47:37,998 INFO L130 PetriNetUnfolder]: For 265164/265314 co-relation queries the response was YES. [2021-03-26 13:47:38,056 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. [2021-03-26 13:47:38,104 INFO L142 LiptonReduction]: Number of co-enabled transitions 4498 [2021-03-26 13:47:38,186 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:38,186 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:38,187 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1276 [2021-03-26 13:47:38,187 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 768 transitions, 46020 flow [2021-03-26 13:47:38,187 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) [2021-03-26 13:47:38,187 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:38,187 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:47:38,187 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2021-03-26 13:47:38,187 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]=== [2021-03-26 13:47:38,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:38,187 INFO L82 PathProgramCache]: Analyzing trace with hash -911473730, now seen corresponding path program 221 times [2021-03-26 13:47:38,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:38,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28205888] [2021-03-26 13:47:38,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:38,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:38,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:38,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:38,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:38,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:38,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:47:38,204 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:47:38,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:47:38,223 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:47:38,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:47:38,245 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:47:38,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:47:38,264 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:47:38,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:47:38,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:47:38,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28205888] [2021-03-26 13:47:38,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:38,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:47:38,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221690842] [2021-03-26 13:47:38,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:47:38,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:38,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:47:38,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:47:38,284 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:47:38,284 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) [2021-03-26 13:47:38,284 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:38,284 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:47:38,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:40,299 INFO L129 PetriNetUnfolder]: 292/3720 cut-off events. [2021-03-26 13:47:40,299 INFO L130 PetriNetUnfolder]: For 268633/268749 co-relation queries the response was YES. [2021-03-26 13:47:40,371 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. [2021-03-26 13:47:40,381 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 455 selfloop transitions, 299 changer transitions 3/771 dead transitions. [2021-03-26 13:47:40,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 771 transitions, 47588 flow [2021-03-26 13:47:40,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:47:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:47:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:47:40,382 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:47:40,382 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:47:40,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:47:40,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:40,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:47:40,382 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) [2021-03-26 13:47:40,382 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) [2021-03-26 13:47:40,382 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) [2021-03-26 13:47:40,383 INFO L185 Difference]: Start difference. First operand has 805 places, 768 transitions, 46020 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:47:40,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 771 transitions, 47588 flow [2021-03-26 13:47:42,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 771 transitions, 47001 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-26 13:47:42,845 INFO L241 Difference]: Finished difference. Result has 808 places, 765 transitions, 45858 flow [2021-03-26 13:47:42,845 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} [2021-03-26 13:47:42,845 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 770 predicate places. [2021-03-26 13:47:42,845 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:42,846 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 808 places, 765 transitions, 45858 flow [2021-03-26 13:47:42,846 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 808 places, 765 transitions, 45858 flow [2021-03-26 13:47:42,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 765 transitions, 45858 flow [2021-03-26 13:47:43,908 INFO L129 PetriNetUnfolder]: 278/3685 cut-off events. [2021-03-26 13:47:43,908 INFO L130 PetriNetUnfolder]: For 262934/263050 co-relation queries the response was YES. [2021-03-26 13:47:43,968 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. [2021-03-26 13:47:44,016 INFO L142 LiptonReduction]: Number of co-enabled transitions 4490 [2021-03-26 13:47:44,102 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:44,102 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:44,102 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1257 [2021-03-26 13:47:44,102 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 765 transitions, 45858 flow [2021-03-26 13:47:44,102 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) [2021-03-26 13:47:44,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:44,102 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:47:44,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2021-03-26 13:47:44,102 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]=== [2021-03-26 13:47:44,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:44,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1083225230, now seen corresponding path program 222 times [2021-03-26 13:47:44,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:44,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597755381] [2021-03-26 13:47:44,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:44,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:44,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:44,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:44,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:44,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:44,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:47:44,120 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:47:44,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:47:44,139 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:47:44,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:47:44,167 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:47:44,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:47:44,187 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:47:44,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:47:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:47:44,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597755381] [2021-03-26 13:47:44,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:44,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:47:44,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56940152] [2021-03-26 13:47:44,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:47:44,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:44,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:47:44,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:47:44,207 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:47:44,207 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) [2021-03-26 13:47:44,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:44,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:47:44,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:46,173 INFO L129 PetriNetUnfolder]: 291/3709 cut-off events. [2021-03-26 13:47:46,174 INFO L130 PetriNetUnfolder]: For 266498/266614 co-relation queries the response was YES. [2021-03-26 13:47:46,234 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. [2021-03-26 13:47:46,244 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 461 selfloop transitions, 292 changer transitions 2/769 dead transitions. [2021-03-26 13:47:46,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 769 transitions, 47440 flow [2021-03-26 13:47:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:47:46,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:47:46,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:47:46,245 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:47:46,245 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:47:46,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:47:46,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:46,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:47:46,245 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) [2021-03-26 13:47:46,245 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) [2021-03-26 13:47:46,245 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) [2021-03-26 13:47:46,246 INFO L185 Difference]: Start difference. First operand has 805 places, 765 transitions, 45858 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:47:46,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 769 transitions, 47440 flow [2021-03-26 13:47:48,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 805 places, 769 transitions, 46642 flow, removed 11 selfloop flow, removed 7 redundant places. [2021-03-26 13:47:48,779 INFO L241 Difference]: Finished difference. Result has 806 places, 763 transitions, 45514 flow [2021-03-26 13:47:48,779 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} [2021-03-26 13:47:48,779 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 768 predicate places. [2021-03-26 13:47:48,779 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:48,780 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 806 places, 763 transitions, 45514 flow [2021-03-26 13:47:48,780 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 806 places, 763 transitions, 45514 flow [2021-03-26 13:47:48,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 763 transitions, 45514 flow [2021-03-26 13:47:49,844 INFO L129 PetriNetUnfolder]: 277/3675 cut-off events. [2021-03-26 13:47:49,844 INFO L130 PetriNetUnfolder]: For 261136/261251 co-relation queries the response was YES. [2021-03-26 13:47:49,900 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. [2021-03-26 13:47:49,946 INFO L142 LiptonReduction]: Number of co-enabled transitions 4486 [2021-03-26 13:47:50,026 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:50,026 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:50,026 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1247 [2021-03-26 13:47:50,026 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 763 transitions, 45514 flow [2021-03-26 13:47:50,026 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) [2021-03-26 13:47:50,026 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:50,027 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:47:50,027 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-03-26 13:47:50,027 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]=== [2021-03-26 13:47:50,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:50,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1983543004, now seen corresponding path program 223 times [2021-03-26 13:47:50,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:50,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079093652] [2021-03-26 13:47:50,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:50,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:50,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:50,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:50,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:50,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:50,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:47:50,044 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:47:50,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:47:50,062 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:47:50,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:47:50,088 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:47:50,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:47:50,108 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:47:50,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:47:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:47:50,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079093652] [2021-03-26 13:47:50,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:50,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:47:50,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594886533] [2021-03-26 13:47:50,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:47:50,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:50,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:47:50,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:47:50,127 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:47:50,128 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) [2021-03-26 13:47:50,128 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:50,128 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:47:50,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:51,981 INFO L129 PetriNetUnfolder]: 290/3699 cut-off events. [2021-03-26 13:47:51,981 INFO L130 PetriNetUnfolder]: For 264868/264982 co-relation queries the response was YES. [2021-03-26 13:47:52,035 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. [2021-03-26 13:47:52,045 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 291 changer transitions 2/767 dead transitions. [2021-03-26 13:47:52,045 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 767 transitions, 47092 flow [2021-03-26 13:47:52,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:47:52,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:47:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:47:52,046 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:47:52,046 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:47:52,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:47:52,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:52,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:47:52,046 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) [2021-03-26 13:47:52,047 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) [2021-03-26 13:47:52,047 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) [2021-03-26 13:47:52,047 INFO L185 Difference]: Start difference. First operand has 805 places, 763 transitions, 45514 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:47:52,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 767 transitions, 47092 flow [2021-03-26 13:47:54,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 767 transitions, 46510 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 13:47:54,408 INFO L241 Difference]: Finished difference. Result has 808 places, 761 transitions, 45386 flow [2021-03-26 13:47:54,408 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} [2021-03-26 13:47:54,408 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 770 predicate places. [2021-03-26 13:47:54,408 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:54,408 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 808 places, 761 transitions, 45386 flow [2021-03-26 13:47:54,409 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 808 places, 761 transitions, 45386 flow [2021-03-26 13:47:54,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 807 places, 761 transitions, 45386 flow [2021-03-26 13:47:55,463 INFO L129 PetriNetUnfolder]: 276/3665 cut-off events. [2021-03-26 13:47:55,463 INFO L130 PetriNetUnfolder]: For 259505/259653 co-relation queries the response was YES. [2021-03-26 13:47:55,518 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. [2021-03-26 13:47:55,573 INFO L142 LiptonReduction]: Number of co-enabled transitions 4474 [2021-03-26 13:47:55,654 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:55,654 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:55,654 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1246 [2021-03-26 13:47:55,654 INFO L480 AbstractCegarLoop]: Abstraction has has 807 places, 761 transitions, 45386 flow [2021-03-26 13:47:55,654 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) [2021-03-26 13:47:55,654 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:55,654 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:47:55,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-03-26 13:47:55,655 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]=== [2021-03-26 13:47:55,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:55,655 INFO L82 PathProgramCache]: Analyzing trace with hash -238904126, now seen corresponding path program 224 times [2021-03-26 13:47:55,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:55,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985479431] [2021-03-26 13:47:55,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:55,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:55,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:55,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:55,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:55,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:55,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:47:55,672 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:47:55,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:47:55,691 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:47:55,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:47:55,705 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:47:55,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:47:55,725 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:47:55,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:47:55,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:47:55,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985479431] [2021-03-26 13:47:55,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:55,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:47:55,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153035916] [2021-03-26 13:47:55,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:47:55,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:55,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:47:55,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:47:55,744 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:47:55,744 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) [2021-03-26 13:47:55,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:55,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:47:55,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:47:57,693 INFO L129 PetriNetUnfolder]: 289/3689 cut-off events. [2021-03-26 13:47:57,693 INFO L130 PetriNetUnfolder]: For 262831/262947 co-relation queries the response was YES. [2021-03-26 13:47:57,752 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. [2021-03-26 13:47:57,762 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 450 selfloop transitions, 296 changer transitions 5/765 dead transitions. [2021-03-26 13:47:57,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 814 places, 765 transitions, 46960 flow [2021-03-26 13:47:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:47:57,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:47:57,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:47:57,764 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:47:57,764 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:47:57,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:47:57,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:47:57,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:47:57,764 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) [2021-03-26 13:47:57,765 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) [2021-03-26 13:47:57,765 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) [2021-03-26 13:47:57,765 INFO L185 Difference]: Start difference. First operand has 807 places, 761 transitions, 45386 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:47:57,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 814 places, 765 transitions, 46960 flow [2021-03-26 13:48:00,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 809 places, 765 transitions, 46376 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:48:00,157 INFO L241 Difference]: Finished difference. Result has 810 places, 756 transitions, 45054 flow [2021-03-26 13:48:00,158 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} [2021-03-26 13:48:00,158 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 772 predicate places. [2021-03-26 13:48:00,158 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:00,158 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 810 places, 756 transitions, 45054 flow [2021-03-26 13:48:00,158 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 810 places, 756 transitions, 45054 flow [2021-03-26 13:48:00,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 806 places, 756 transitions, 45054 flow [2021-03-26 13:48:01,232 INFO L129 PetriNetUnfolder]: 275/3647 cut-off events. [2021-03-26 13:48:01,233 INFO L130 PetriNetUnfolder]: For 257584/257709 co-relation queries the response was YES. [2021-03-26 13:48:01,288 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. [2021-03-26 13:48:01,334 INFO L142 LiptonReduction]: Number of co-enabled transitions 4430 [2021-03-26 13:48:01,411 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:01,411 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:01,412 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1254 [2021-03-26 13:48:01,412 INFO L480 AbstractCegarLoop]: Abstraction has has 806 places, 756 transitions, 45054 flow [2021-03-26 13:48:01,412 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) [2021-03-26 13:48:01,412 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:01,412 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:48:01,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-03-26 13:48:01,412 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]=== [2021-03-26 13:48:01,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:01,412 INFO L82 PathProgramCache]: Analyzing trace with hash 21695256, now seen corresponding path program 225 times [2021-03-26 13:48:01,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:01,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438705186] [2021-03-26 13:48:01,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:01,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:01,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:01,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:01,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:01,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:01,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:48:01,430 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:48:01,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:48:01,441 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:48:01,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:48:01,456 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:48:01,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:48:01,476 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:48:01,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:48:01,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:48:01,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438705186] [2021-03-26 13:48:01,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:01,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:48:01,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175465092] [2021-03-26 13:48:01,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:48:01,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:01,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:48:01,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:48:01,496 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:48:01,496 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) [2021-03-26 13:48:01,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:01,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:48:01,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:03,456 INFO L129 PetriNetUnfolder]: 288/3671 cut-off events. [2021-03-26 13:48:03,456 INFO L130 PetriNetUnfolder]: For 261147/261263 co-relation queries the response was YES. [2021-03-26 13:48:03,516 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. [2021-03-26 13:48:03,525 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 478 selfloop transitions, 280 changer transitions 0/772 dead transitions. [2021-03-26 13:48:03,525 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 813 places, 772 transitions, 47294 flow [2021-03-26 13:48:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:48:03,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:48:03,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:48:03,526 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:48:03,526 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:48:03,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:48:03,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:03,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:48:03,527 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) [2021-03-26 13:48:03,527 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) [2021-03-26 13:48:03,527 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) [2021-03-26 13:48:03,527 INFO L185 Difference]: Start difference. First operand has 806 places, 756 transitions, 45054 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:48:03,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 813 places, 772 transitions, 47294 flow [2021-03-26 13:48:05,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 772 transitions, 46674 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-03-26 13:48:05,875 INFO L241 Difference]: Finished difference. Result has 810 places, 765 transitions, 45595 flow [2021-03-26 13:48:05,876 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} [2021-03-26 13:48:05,876 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 772 predicate places. [2021-03-26 13:48:05,876 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:05,876 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 810 places, 765 transitions, 45595 flow [2021-03-26 13:48:05,876 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 810 places, 765 transitions, 45595 flow [2021-03-26 13:48:05,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 810 places, 765 transitions, 45595 flow [2021-03-26 13:48:06,963 INFO L129 PetriNetUnfolder]: 275/3646 cut-off events. [2021-03-26 13:48:06,963 INFO L130 PetriNetUnfolder]: For 255989/256105 co-relation queries the response was YES. [2021-03-26 13:48:07,016 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. [2021-03-26 13:48:07,061 INFO L142 LiptonReduction]: Number of co-enabled transitions 4466 [2021-03-26 13:48:07,141 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:07,141 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:07,141 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1265 [2021-03-26 13:48:07,141 INFO L480 AbstractCegarLoop]: Abstraction has has 810 places, 765 transitions, 45595 flow [2021-03-26 13:48:07,142 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) [2021-03-26 13:48:07,142 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:07,142 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:48:07,142 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2021-03-26 13:48:07,142 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]=== [2021-03-26 13:48:07,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:07,142 INFO L82 PathProgramCache]: Analyzing trace with hash -932479938, now seen corresponding path program 226 times [2021-03-26 13:48:07,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:07,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073151391] [2021-03-26 13:48:07,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:07,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:07,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:07,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:07,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:07,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:07,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:48:07,159 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:48:07,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:48:07,170 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:48:07,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:48:07,203 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:48:07,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:48:07,223 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:48:07,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:48:07,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:48:07,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073151391] [2021-03-26 13:48:07,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:07,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:48:07,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446072733] [2021-03-26 13:48:07,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:48:07,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:07,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:48:07,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:48:07,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:48:07,243 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) [2021-03-26 13:48:07,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:07,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:48:07,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:09,174 INFO L129 PetriNetUnfolder]: 288/3670 cut-off events. [2021-03-26 13:48:09,174 INFO L130 PetriNetUnfolder]: For 259300/259416 co-relation queries the response was YES. [2021-03-26 13:48:09,232 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. [2021-03-26 13:48:09,242 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 480 selfloop transitions, 276 changer transitions 2/772 dead transitions. [2021-03-26 13:48:09,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 817 places, 772 transitions, 47313 flow [2021-03-26 13:48:09,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:48:09,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:48:09,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:48:09,243 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:48:09,243 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:48:09,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:48:09,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:09,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:48:09,244 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) [2021-03-26 13:48:09,244 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) [2021-03-26 13:48:09,244 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) [2021-03-26 13:48:09,244 INFO L185 Difference]: Start difference. First operand has 810 places, 765 transitions, 45595 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:48:09,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 817 places, 772 transitions, 47313 flow [2021-03-26 13:48:11,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 815 places, 772 transitions, 46903 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-03-26 13:48:11,561 INFO L241 Difference]: Finished difference. Result has 817 places, 766 transitions, 45776 flow [2021-03-26 13:48:11,562 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} [2021-03-26 13:48:11,562 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 779 predicate places. [2021-03-26 13:48:11,562 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:11,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 817 places, 766 transitions, 45776 flow [2021-03-26 13:48:11,562 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 817 places, 766 transitions, 45776 flow [2021-03-26 13:48:11,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 816 places, 766 transitions, 45776 flow [2021-03-26 13:48:12,628 INFO L129 PetriNetUnfolder]: 274/3636 cut-off events. [2021-03-26 13:48:12,629 INFO L130 PetriNetUnfolder]: For 259203/259319 co-relation queries the response was YES. [2021-03-26 13:48:12,680 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. [2021-03-26 13:48:12,723 INFO L142 LiptonReduction]: Number of co-enabled transitions 4468 [2021-03-26 13:48:12,803 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:12,803 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:12,803 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1241 [2021-03-26 13:48:12,804 INFO L480 AbstractCegarLoop]: Abstraction has has 816 places, 766 transitions, 45776 flow [2021-03-26 13:48:12,804 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) [2021-03-26 13:48:12,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:12,804 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:48:12,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2021-03-26 13:48:12,804 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]=== [2021-03-26 13:48:12,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:12,804 INFO L82 PathProgramCache]: Analyzing trace with hash 2081982842, now seen corresponding path program 227 times [2021-03-26 13:48:12,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:12,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210819014] [2021-03-26 13:48:12,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:12,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:12,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:12,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:12,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:12,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:12,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:48:12,821 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:48:12,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:48:12,832 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:48:12,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:48:12,846 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:48:12,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:48:12,865 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:48:12,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:48:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:48:12,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210819014] [2021-03-26 13:48:12,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:12,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:48:12,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772090454] [2021-03-26 13:48:12,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:48:12,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:12,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:48:12,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:48:12,885 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:48:12,885 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) [2021-03-26 13:48:12,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:12,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:48:12,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:15,045 INFO L129 PetriNetUnfolder]: 287/3660 cut-off events. [2021-03-26 13:48:15,045 INFO L130 PetriNetUnfolder]: For 262699/262813 co-relation queries the response was YES. [2021-03-26 13:48:15,100 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. [2021-03-26 13:48:15,108 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 475 selfloop transitions, 276 changer transitions 5/770 dead transitions. [2021-03-26 13:48:15,109 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 823 places, 770 transitions, 47360 flow [2021-03-26 13:48:15,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:48:15,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:48:15,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:48:15,109 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:48:15,109 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:48:15,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:48:15,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:15,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:48:15,110 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) [2021-03-26 13:48:15,110 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) [2021-03-26 13:48:15,110 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) [2021-03-26 13:48:15,110 INFO L185 Difference]: Start difference. First operand has 816 places, 766 transitions, 45776 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:48:15,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 823 places, 770 transitions, 47360 flow [2021-03-26 13:48:17,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 818 places, 770 transitions, 46734 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:48:17,352 INFO L241 Difference]: Finished difference. Result has 819 places, 761 transitions, 45365 flow [2021-03-26 13:48:17,353 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} [2021-03-26 13:48:17,353 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 781 predicate places. [2021-03-26 13:48:17,353 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:17,353 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 819 places, 761 transitions, 45365 flow [2021-03-26 13:48:17,353 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 819 places, 761 transitions, 45365 flow [2021-03-26 13:48:17,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 817 places, 761 transitions, 45365 flow [2021-03-26 13:48:18,506 INFO L129 PetriNetUnfolder]: 273/3619 cut-off events. [2021-03-26 13:48:18,507 INFO L130 PetriNetUnfolder]: For 257549/257696 co-relation queries the response was YES. [2021-03-26 13:48:18,557 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. [2021-03-26 13:48:18,599 INFO L142 LiptonReduction]: Number of co-enabled transitions 4432 [2021-03-26 13:48:18,675 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:18,675 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:18,675 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1322 [2021-03-26 13:48:18,675 INFO L480 AbstractCegarLoop]: Abstraction has has 817 places, 761 transitions, 45365 flow [2021-03-26 13:48:18,676 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) [2021-03-26 13:48:18,676 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:18,676 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:48:18,676 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2021-03-26 13:48:18,676 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]=== [2021-03-26 13:48:18,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:18,676 INFO L82 PathProgramCache]: Analyzing trace with hash -394624360, now seen corresponding path program 228 times [2021-03-26 13:48:18,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:18,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123306017] [2021-03-26 13:48:18,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:18,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:18,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:18,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:18,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:18,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:18,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:48:18,692 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:48:18,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:48:18,703 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:48:18,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:48:18,717 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:48:18,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:48:18,737 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:48:18,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:48:18,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:48:18,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123306017] [2021-03-26 13:48:18,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:18,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:48:18,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508533428] [2021-03-26 13:48:18,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:48:18,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:18,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:48:18,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:48:18,756 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:48:18,756 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) [2021-03-26 13:48:18,756 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:18,756 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:48:18,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:20,526 INFO L129 PetriNetUnfolder]: 286/3643 cut-off events. [2021-03-26 13:48:20,527 INFO L130 PetriNetUnfolder]: For 260940/261054 co-relation queries the response was YES. [2021-03-26 13:48:20,581 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. [2021-03-26 13:48:20,589 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 476 selfloop transitions, 271 changer transitions 3/764 dead transitions. [2021-03-26 13:48:20,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 824 places, 764 transitions, 46919 flow [2021-03-26 13:48:20,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:48:20,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:48:20,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:48:20,590 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:48:20,590 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:48:20,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:48:20,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:20,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:48:20,590 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) [2021-03-26 13:48:20,591 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) [2021-03-26 13:48:20,591 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) [2021-03-26 13:48:20,591 INFO L185 Difference]: Start difference. First operand has 817 places, 761 transitions, 45365 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:48:20,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 824 places, 764 transitions, 46919 flow [2021-03-26 13:48:22,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 818 places, 764 transitions, 46360 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 13:48:22,899 INFO L241 Difference]: Finished difference. Result has 819 places, 758 transitions, 45179 flow [2021-03-26 13:48:22,899 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} [2021-03-26 13:48:22,899 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 781 predicate places. [2021-03-26 13:48:22,899 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:22,900 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 819 places, 758 transitions, 45179 flow [2021-03-26 13:48:22,900 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 819 places, 758 transitions, 45179 flow [2021-03-26 13:48:22,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 817 places, 758 transitions, 45179 flow [2021-03-26 13:48:23,935 INFO L129 PetriNetUnfolder]: 272/3608 cut-off events. [2021-03-26 13:48:23,935 INFO L130 PetriNetUnfolder]: For 254039/254164 co-relation queries the response was YES. [2021-03-26 13:48:23,990 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. [2021-03-26 13:48:24,033 INFO L142 LiptonReduction]: Number of co-enabled transitions 4426 [2021-03-26 13:48:24,111 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:24,111 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:24,112 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1213 [2021-03-26 13:48:24,112 INFO L480 AbstractCegarLoop]: Abstraction has has 817 places, 758 transitions, 45179 flow [2021-03-26 13:48:24,112 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) [2021-03-26 13:48:24,112 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:24,112 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:48:24,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2021-03-26 13:48:24,112 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]=== [2021-03-26 13:48:24,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:24,112 INFO L82 PathProgramCache]: Analyzing trace with hash 556925058, now seen corresponding path program 229 times [2021-03-26 13:48:24,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:24,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996443621] [2021-03-26 13:48:24,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:24,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:24,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:24,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:24,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:24,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:24,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:48:24,129 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:48:24,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:48:24,139 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:48:24,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:48:24,164 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:48:24,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:48:24,183 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:48:24,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:48:24,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:48:24,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996443621] [2021-03-26 13:48:24,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:24,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:48:24,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186188570] [2021-03-26 13:48:24,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:48:24,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:24,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:48:24,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:48:24,202 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:48:24,203 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) [2021-03-26 13:48:24,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:24,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:48:24,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:25,994 INFO L129 PetriNetUnfolder]: 285/3632 cut-off events. [2021-03-26 13:48:25,994 INFO L130 PetriNetUnfolder]: For 257237/257353 co-relation queries the response was YES. [2021-03-26 13:48:26,050 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. [2021-03-26 13:48:26,058 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 271 changer transitions 3/762 dead transitions. [2021-03-26 13:48:26,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 824 places, 762 transitions, 46739 flow [2021-03-26 13:48:26,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:48:26,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:48:26,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:48:26,059 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:48:26,059 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:48:26,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:48:26,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:26,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:48:26,060 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) [2021-03-26 13:48:26,060 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) [2021-03-26 13:48:26,060 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) [2021-03-26 13:48:26,060 INFO L185 Difference]: Start difference. First operand has 817 places, 758 transitions, 45179 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:48:26,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 824 places, 762 transitions, 46739 flow [2021-03-26 13:48:28,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 819 places, 762 transitions, 46187 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-26 13:48:28,369 INFO L241 Difference]: Finished difference. Result has 820 places, 755 transitions, 44989 flow [2021-03-26 13:48:28,370 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} [2021-03-26 13:48:28,370 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 782 predicate places. [2021-03-26 13:48:28,370 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:28,370 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 820 places, 755 transitions, 44989 flow [2021-03-26 13:48:28,370 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 820 places, 755 transitions, 44989 flow [2021-03-26 13:48:28,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 818 places, 755 transitions, 44989 flow [2021-03-26 13:48:29,409 INFO L129 PetriNetUnfolder]: 271/3597 cut-off events. [2021-03-26 13:48:29,409 INFO L130 PetriNetUnfolder]: For 253090/253206 co-relation queries the response was YES. [2021-03-26 13:48:29,457 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. [2021-03-26 13:48:29,496 INFO L142 LiptonReduction]: Number of co-enabled transitions 4412 [2021-03-26 13:48:29,572 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:29,572 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:29,573 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1203 [2021-03-26 13:48:29,573 INFO L480 AbstractCegarLoop]: Abstraction has has 818 places, 755 transitions, 44989 flow [2021-03-26 13:48:29,573 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) [2021-03-26 13:48:29,573 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:29,573 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:48:29,573 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2021-03-26 13:48:29,573 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]=== [2021-03-26 13:48:29,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:29,573 INFO L82 PathProgramCache]: Analyzing trace with hash 588344800, now seen corresponding path program 230 times [2021-03-26 13:48:29,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:29,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046896220] [2021-03-26 13:48:29,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:29,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:29,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:29,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:29,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:29,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:29,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:48:29,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:29,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:48:29,602 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:48:29,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:48:29,616 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:48:29,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:48:29,636 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:48:29,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:48:29,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:48:29,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046896220] [2021-03-26 13:48:29,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:29,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:48:29,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605568550] [2021-03-26 13:48:29,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:48:29,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:29,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:48:29,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:48:29,656 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:48:29,656 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) [2021-03-26 13:48:29,656 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:29,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:48:29,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:31,463 INFO L129 PetriNetUnfolder]: 284/3621 cut-off events. [2021-03-26 13:48:31,464 INFO L130 PetriNetUnfolder]: For 256299/256415 co-relation queries the response was YES. [2021-03-26 13:48:31,520 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. [2021-03-26 13:48:31,529 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 484 selfloop transitions, 295 changer transitions 5/798 dead transitions. [2021-03-26 13:48:31,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 825 places, 798 transitions, 48745 flow [2021-03-26 13:48:31,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:48:31,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:48:31,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:48:31,530 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:48:31,530 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:48:31,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:48:31,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:31,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:48:31,531 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) [2021-03-26 13:48:31,531 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) [2021-03-26 13:48:31,531 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) [2021-03-26 13:48:31,531 INFO L185 Difference]: Start difference. First operand has 818 places, 755 transitions, 44989 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:48:31,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 825 places, 798 transitions, 48745 flow [2021-03-26 13:48:33,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 821 places, 798 transitions, 48188 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-26 13:48:33,814 INFO L241 Difference]: Finished difference. Result has 823 places, 753 transitions, 44973 flow [2021-03-26 13:48:33,814 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} [2021-03-26 13:48:33,814 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 785 predicate places. [2021-03-26 13:48:33,814 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:33,814 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 823 places, 753 transitions, 44973 flow [2021-03-26 13:48:33,815 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 823 places, 753 transitions, 44973 flow [2021-03-26 13:48:33,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 821 places, 753 transitions, 44973 flow [2021-03-26 13:48:34,846 INFO L129 PetriNetUnfolder]: 270/3580 cut-off events. [2021-03-26 13:48:34,846 INFO L130 PetriNetUnfolder]: For 252318/252436 co-relation queries the response was YES. [2021-03-26 13:48:34,909 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. [2021-03-26 13:48:34,962 INFO L142 LiptonReduction]: Number of co-enabled transitions 4406 [2021-03-26 13:48:35,075 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:35,075 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:35,075 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1261 [2021-03-26 13:48:35,075 INFO L480 AbstractCegarLoop]: Abstraction has has 821 places, 753 transitions, 44973 flow [2021-03-26 13:48:35,076 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) [2021-03-26 13:48:35,076 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:35,076 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:48:35,076 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2021-03-26 13:48:35,076 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]=== [2021-03-26 13:48:35,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:35,076 INFO L82 PathProgramCache]: Analyzing trace with hash -451141352, now seen corresponding path program 231 times [2021-03-26 13:48:35,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:35,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790280482] [2021-03-26 13:48:35,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:35,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:35,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:35,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:35,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:35,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:35,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:48:35,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:35,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:48:35,118 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:48:35,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:48:35,136 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:48:35,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:48:35,160 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:48:35,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:48:35,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:48:35,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790280482] [2021-03-26 13:48:35,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:35,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:48:35,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956087606] [2021-03-26 13:48:35,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:48:35,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:35,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:48:35,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:48:35,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:48:35,179 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) [2021-03-26 13:48:35,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:35,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:48:35,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:36,941 INFO L129 PetriNetUnfolder]: 283/3604 cut-off events. [2021-03-26 13:48:36,941 INFO L130 PetriNetUnfolder]: For 255554/255673 co-relation queries the response was YES. [2021-03-26 13:48:36,995 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. [2021-03-26 13:48:37,004 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 488 selfloop transitions, 289 changer transitions 2/793 dead transitions. [2021-03-26 13:48:37,004 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 828 places, 793 transitions, 48475 flow [2021-03-26 13:48:37,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:48:37,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:48:37,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:48:37,005 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:48:37,005 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:48:37,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:48:37,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:37,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:48:37,005 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) [2021-03-26 13:48:37,006 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) [2021-03-26 13:48:37,006 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) [2021-03-26 13:48:37,006 INFO L185 Difference]: Start difference. First operand has 821 places, 753 transitions, 44973 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:48:37,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 828 places, 793 transitions, 48475 flow [2021-03-26 13:48:39,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 821 places, 793 transitions, 47877 flow, removed 14 selfloop flow, removed 7 redundant places. [2021-03-26 13:48:39,276 INFO L241 Difference]: Finished difference. Result has 823 places, 757 transitions, 45294 flow [2021-03-26 13:48:39,277 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} [2021-03-26 13:48:39,277 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 785 predicate places. [2021-03-26 13:48:39,277 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:39,277 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 823 places, 757 transitions, 45294 flow [2021-03-26 13:48:39,277 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 823 places, 757 transitions, 45294 flow [2021-03-26 13:48:39,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 822 places, 757 transitions, 45294 flow [2021-03-26 13:48:40,342 INFO L129 PetriNetUnfolder]: 269/3570 cut-off events. [2021-03-26 13:48:40,342 INFO L130 PetriNetUnfolder]: For 250978/251095 co-relation queries the response was YES. [2021-03-26 13:48:40,388 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. [2021-03-26 13:48:40,426 INFO L142 LiptonReduction]: Number of co-enabled transitions 4440 [2021-03-26 13:48:40,501 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:40,501 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:40,501 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1224 [2021-03-26 13:48:40,501 INFO L480 AbstractCegarLoop]: Abstraction has has 822 places, 757 transitions, 45294 flow [2021-03-26 13:48:40,501 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) [2021-03-26 13:48:40,501 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:40,501 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:48:40,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2021-03-26 13:48:40,501 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]=== [2021-03-26 13:48:40,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:40,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1705532512, now seen corresponding path program 232 times [2021-03-26 13:48:40,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:40,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987613371] [2021-03-26 13:48:40,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:40,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:40,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:40,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:40,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:40,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:40,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:48:40,521 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:48:40,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:48:40,533 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:48:40,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:48:40,560 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:48:40,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:48:40,580 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:48:40,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:48:40,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:48:40,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987613371] [2021-03-26 13:48:40,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:40,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:48:40,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957678830] [2021-03-26 13:48:40,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:48:40,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:40,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:48:40,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:48:40,599 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:48:40,599 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) [2021-03-26 13:48:40,599 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:40,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:48:40,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:42,360 INFO L129 PetriNetUnfolder]: 282/3594 cut-off events. [2021-03-26 13:48:42,360 INFO L130 PetriNetUnfolder]: For 253707/253825 co-relation queries the response was YES. [2021-03-26 13:48:42,411 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. [2021-03-26 13:48:42,419 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 497 selfloop transitions, 278 changer transitions 2/791 dead transitions. [2021-03-26 13:48:42,419 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 829 places, 791 transitions, 48414 flow [2021-03-26 13:48:42,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:48:42,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:48:42,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:48:42,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:48:42,420 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:48:42,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:48:42,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:42,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:48:42,420 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) [2021-03-26 13:48:42,420 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) [2021-03-26 13:48:42,421 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) [2021-03-26 13:48:42,421 INFO L185 Difference]: Start difference. First operand has 822 places, 757 transitions, 45294 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:48:42,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 829 places, 791 transitions, 48414 flow [2021-03-26 13:48:44,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 824 places, 791 transitions, 47875 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 13:48:44,598 INFO L241 Difference]: Finished difference. Result has 826 places, 765 transitions, 45868 flow [2021-03-26 13:48:44,599 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} [2021-03-26 13:48:44,599 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 788 predicate places. [2021-03-26 13:48:44,599 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:44,599 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 826 places, 765 transitions, 45868 flow [2021-03-26 13:48:44,599 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 826 places, 765 transitions, 45868 flow [2021-03-26 13:48:44,612 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 825 places, 765 transitions, 45868 flow [2021-03-26 13:48:45,523 INFO L129 PetriNetUnfolder]: 268/3560 cut-off events. [2021-03-26 13:48:45,523 INFO L130 PetriNetUnfolder]: For 252984/253115 co-relation queries the response was YES. [2021-03-26 13:48:45,701 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. [2021-03-26 13:48:45,741 INFO L142 LiptonReduction]: Number of co-enabled transitions 4508 [2021-03-26 13:48:45,821 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:45,821 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:45,821 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1222 [2021-03-26 13:48:45,822 INFO L480 AbstractCegarLoop]: Abstraction has has 825 places, 765 transitions, 45868 flow [2021-03-26 13:48:45,822 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) [2021-03-26 13:48:45,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:45,822 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:48:45,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2021-03-26 13:48:45,822 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]=== [2021-03-26 13:48:45,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:45,822 INFO L82 PathProgramCache]: Analyzing trace with hash -2051579206, now seen corresponding path program 233 times [2021-03-26 13:48:45,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:45,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512136664] [2021-03-26 13:48:45,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:45,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:45,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:45,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:45,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:45,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:45,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:48:45,843 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:48:45,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:48:45,854 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:48:45,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:48:45,869 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:48:45,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:48:45,889 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:48:45,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:48:45,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:48:45,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512136664] [2021-03-26 13:48:45,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:45,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:48:45,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405383782] [2021-03-26 13:48:45,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:48:45,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:45,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:48:45,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:48:45,908 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:48:45,908 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) [2021-03-26 13:48:45,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:45,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:48:45,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:47,803 INFO L129 PetriNetUnfolder]: 281/3584 cut-off events. [2021-03-26 13:48:47,804 INFO L130 PetriNetUnfolder]: For 255824/255941 co-relation queries the response was YES. [2021-03-26 13:48:47,859 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. [2021-03-26 13:48:47,868 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 494 selfloop transitions, 279 changer transitions 2/789 dead transitions. [2021-03-26 13:48:47,868 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 832 places, 789 transitions, 48428 flow [2021-03-26 13:48:47,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:48:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:48:47,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:48:47,869 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:48:47,869 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:48:47,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:48:47,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:47,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:48:47,870 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) [2021-03-26 13:48:47,870 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) [2021-03-26 13:48:47,870 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) [2021-03-26 13:48:47,870 INFO L185 Difference]: Start difference. First operand has 825 places, 765 transitions, 45868 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:48:47,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 832 places, 789 transitions, 48428 flow [2021-03-26 13:48:50,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 827 places, 789 transitions, 47990 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-26 13:48:50,112 INFO L241 Difference]: Finished difference. Result has 828 places, 763 transitions, 45871 flow [2021-03-26 13:48:50,112 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} [2021-03-26 13:48:50,112 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 790 predicate places. [2021-03-26 13:48:50,112 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:50,113 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 828 places, 763 transitions, 45871 flow [2021-03-26 13:48:50,113 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 828 places, 763 transitions, 45871 flow [2021-03-26 13:48:50,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 827 places, 763 transitions, 45871 flow [2021-03-26 13:48:51,051 INFO L129 PetriNetUnfolder]: 267/3550 cut-off events. [2021-03-26 13:48:51,051 INFO L130 PetriNetUnfolder]: For 252187/252305 co-relation queries the response was YES. [2021-03-26 13:48:51,107 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. [2021-03-26 13:48:51,270 INFO L142 LiptonReduction]: Number of co-enabled transitions 4504 [2021-03-26 13:48:51,348 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:51,348 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:51,348 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1236 [2021-03-26 13:48:51,348 INFO L480 AbstractCegarLoop]: Abstraction has has 827 places, 763 transitions, 45871 flow [2021-03-26 13:48:51,348 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) [2021-03-26 13:48:51,348 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:51,348 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:48:51,348 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-03-26 13:48:51,348 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]=== [2021-03-26 13:48:51,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:51,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1006754332, now seen corresponding path program 234 times [2021-03-26 13:48:51,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:51,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801112194] [2021-03-26 13:48:51,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:51,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:51,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:51,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:51,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:51,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:51,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:48:51,365 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:48:51,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:48:51,384 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:48:51,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:48:51,410 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:48:51,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:48:51,429 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:48:51,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:48:51,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:48:51,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801112194] [2021-03-26 13:48:51,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:51,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:48:51,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126086850] [2021-03-26 13:48:51,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:48:51,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:51,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:48:51,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:48:51,448 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:48:51,448 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) [2021-03-26 13:48:51,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:51,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:48:51,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:53,215 INFO L129 PetriNetUnfolder]: 280/3574 cut-off events. [2021-03-26 13:48:53,215 INFO L130 PetriNetUnfolder]: For 255002/255121 co-relation queries the response was YES. [2021-03-26 13:48:53,267 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. [2021-03-26 13:48:53,275 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 487 selfloop transitions, 284 changer transitions 2/787 dead transitions. [2021-03-26 13:48:53,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 834 places, 787 transitions, 48427 flow [2021-03-26 13:48:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:48:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:48:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:48:53,276 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:48:53,276 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:48:53,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:48:53,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:53,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:48:53,276 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) [2021-03-26 13:48:53,277 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) [2021-03-26 13:48:53,277 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) [2021-03-26 13:48:53,277 INFO L185 Difference]: Start difference. First operand has 827 places, 763 transitions, 45871 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:48:53,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 834 places, 787 transitions, 48427 flow [2021-03-26 13:48:55,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 830 places, 787 transitions, 47924 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-03-26 13:48:55,435 INFO L241 Difference]: Finished difference. Result has 832 places, 763 transitions, 45955 flow [2021-03-26 13:48:55,435 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} [2021-03-26 13:48:55,435 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 794 predicate places. [2021-03-26 13:48:55,435 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:48:55,435 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 832 places, 763 transitions, 45955 flow [2021-03-26 13:48:55,435 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 832 places, 763 transitions, 45955 flow [2021-03-26 13:48:55,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 831 places, 763 transitions, 45955 flow [2021-03-26 13:48:56,351 INFO L129 PetriNetUnfolder]: 266/3540 cut-off events. [2021-03-26 13:48:56,351 INFO L130 PetriNetUnfolder]: For 252113/252231 co-relation queries the response was YES. [2021-03-26 13:48:56,403 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. [2021-03-26 13:48:56,444 INFO L142 LiptonReduction]: Number of co-enabled transitions 4496 [2021-03-26 13:48:56,659 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:48:56,659 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:48:56,659 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1224 [2021-03-26 13:48:56,660 INFO L480 AbstractCegarLoop]: Abstraction has has 831 places, 763 transitions, 45955 flow [2021-03-26 13:48:56,660 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) [2021-03-26 13:48:56,660 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:48:56,660 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:48:56,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-03-26 13:48:56,660 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]=== [2021-03-26 13:48:56,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:48:56,660 INFO L82 PathProgramCache]: Analyzing trace with hash -482650664, now seen corresponding path program 235 times [2021-03-26 13:48:56,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:48:56,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963419916] [2021-03-26 13:48:56,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:48:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:48:56,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:56,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:48:56,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:56,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:48:56,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:48:56,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:48:56,676 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:48:56,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:48:56,695 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:48:56,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:48:56,721 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:48:56,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:48:56,740 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:48:56,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:48:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:48:56,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963419916] [2021-03-26 13:48:56,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:48:56,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:48:56,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745143451] [2021-03-26 13:48:56,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:48:56,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:48:56,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:48:56,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:48:56,759 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:48:56,759 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) [2021-03-26 13:48:56,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:48:56,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:48:56,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:58,468 INFO L129 PetriNetUnfolder]: 279/3564 cut-off events. [2021-03-26 13:48:58,468 INFO L130 PetriNetUnfolder]: For 254840/254960 co-relation queries the response was YES. [2021-03-26 13:48:58,529 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. [2021-03-26 13:48:58,538 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 487 selfloop transitions, 281 changer transitions 3/785 dead transitions. [2021-03-26 13:48:58,538 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 838 places, 785 transitions, 48387 flow [2021-03-26 13:48:58,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:48:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:48:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:48:58,539 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:48:58,539 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:48:58,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:48:58,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:58,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:48:58,540 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) [2021-03-26 13:48:58,540 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) [2021-03-26 13:48:58,540 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) [2021-03-26 13:48:58,540 INFO L185 Difference]: Start difference. First operand has 831 places, 763 transitions, 45955 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:48:58,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 838 places, 785 transitions, 48387 flow [2021-03-26 13:49:00,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 836 places, 785 transitions, 48205 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-03-26 13:49:00,858 INFO L241 Difference]: Finished difference. Result has 837 places, 760 transitions, 46158 flow [2021-03-26 13:49:00,858 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} [2021-03-26 13:49:00,858 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 799 predicate places. [2021-03-26 13:49:00,858 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:00,859 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 837 places, 760 transitions, 46158 flow [2021-03-26 13:49:00,859 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 837 places, 760 transitions, 46158 flow [2021-03-26 13:49:00,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 836 places, 760 transitions, 46158 flow [2021-03-26 13:49:01,815 INFO L129 PetriNetUnfolder]: 265/3529 cut-off events. [2021-03-26 13:49:01,815 INFO L130 PetriNetUnfolder]: For 254038/254158 co-relation queries the response was YES. [2021-03-26 13:49:01,867 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. [2021-03-26 13:49:01,910 INFO L142 LiptonReduction]: Number of co-enabled transitions 4490 [2021-03-26 13:49:02,002 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:02,002 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:02,002 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1144 [2021-03-26 13:49:02,002 INFO L480 AbstractCegarLoop]: Abstraction has has 836 places, 760 transitions, 46158 flow [2021-03-26 13:49:02,002 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) [2021-03-26 13:49:02,002 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:02,002 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:49:02,002 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2021-03-26 13:49:02,002 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]=== [2021-03-26 13:49:02,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:02,003 INFO L82 PathProgramCache]: Analyzing trace with hash -2093591622, now seen corresponding path program 236 times [2021-03-26 13:49:02,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:02,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622164602] [2021-03-26 13:49:02,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:02,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:02,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:02,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:02,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:02,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:02,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:49:02,022 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:49:02,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:49:02,041 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:49:02,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:49:02,064 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:49:02,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:49:02,085 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:49:02,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:49:02,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:49:02,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622164602] [2021-03-26 13:49:02,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:02,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:49:02,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157670739] [2021-03-26 13:49:02,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:49:02,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:02,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:49:02,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:49:02,119 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:49:02,119 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) [2021-03-26 13:49:02,119 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:02,119 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:49:02,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:03,782 INFO L129 PetriNetUnfolder]: 278/3553 cut-off events. [2021-03-26 13:49:03,782 INFO L130 PetriNetUnfolder]: For 256896/257019 co-relation queries the response was YES. [2021-03-26 13:49:03,837 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. [2021-03-26 13:49:03,845 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 485 selfloop transitions, 280 changer transitions 3/782 dead transitions. [2021-03-26 13:49:03,845 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 843 places, 782 transitions, 48584 flow [2021-03-26 13:49:03,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:49:03,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:49:03,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:49:03,846 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:49:03,846 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:49:03,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:49:03,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:03,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:49:03,847 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) [2021-03-26 13:49:03,847 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) [2021-03-26 13:49:03,847 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) [2021-03-26 13:49:03,847 INFO L185 Difference]: Start difference. First operand has 836 places, 760 transitions, 46158 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:49:03,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 843 places, 782 transitions, 48584 flow [2021-03-26 13:49:06,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 837 places, 782 transitions, 47907 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-26 13:49:06,193 INFO L241 Difference]: Finished difference. Result has 838 places, 757 transitions, 45858 flow [2021-03-26 13:49:06,194 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} [2021-03-26 13:49:06,194 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 800 predicate places. [2021-03-26 13:49:06,194 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:06,194 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 838 places, 757 transitions, 45858 flow [2021-03-26 13:49:06,194 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 838 places, 757 transitions, 45858 flow [2021-03-26 13:49:06,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 836 places, 757 transitions, 45858 flow [2021-03-26 13:49:07,127 INFO L129 PetriNetUnfolder]: 264/3518 cut-off events. [2021-03-26 13:49:07,127 INFO L130 PetriNetUnfolder]: For 253070/253189 co-relation queries the response was YES. [2021-03-26 13:49:07,181 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. [2021-03-26 13:49:07,225 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-26 13:49:07,316 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:07,316 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:07,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1122 [2021-03-26 13:49:07,316 INFO L480 AbstractCegarLoop]: Abstraction has has 836 places, 757 transitions, 45858 flow [2021-03-26 13:49:07,316 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) [2021-03-26 13:49:07,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:07,316 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:49:07,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2021-03-26 13:49:07,316 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]=== [2021-03-26 13:49:07,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:07,317 INFO L82 PathProgramCache]: Analyzing trace with hash 350650448, now seen corresponding path program 237 times [2021-03-26 13:49:07,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:07,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814248032] [2021-03-26 13:49:07,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:07,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:07,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:07,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:07,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:07,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:07,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:49:07,333 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:49:07,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:49:07,343 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:49:07,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:49:07,358 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:49:07,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:49:07,377 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:49:07,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:49:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:49:07,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814248032] [2021-03-26 13:49:07,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:07,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:49:07,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920340175] [2021-03-26 13:49:07,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:49:07,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:07,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:49:07,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:49:07,396 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:49:07,396 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) [2021-03-26 13:49:07,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:07,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:49:07,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:09,155 INFO L129 PetriNetUnfolder]: 277/3542 cut-off events. [2021-03-26 13:49:09,155 INFO L130 PetriNetUnfolder]: For 255765/255886 co-relation queries the response was YES. [2021-03-26 13:49:09,209 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. [2021-03-26 13:49:09,217 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 486 selfloop transitions, 279 changer transitions 0/779 dead transitions. [2021-03-26 13:49:09,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 843 places, 779 transitions, 48278 flow [2021-03-26 13:49:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:49:09,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:49:09,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:49:09,218 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:49:09,218 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:49:09,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:49:09,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:09,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:49:09,219 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) [2021-03-26 13:49:09,219 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) [2021-03-26 13:49:09,219 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) [2021-03-26 13:49:09,219 INFO L185 Difference]: Start difference. First operand has 836 places, 757 transitions, 45858 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:49:09,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 843 places, 779 transitions, 48278 flow [2021-03-26 13:49:11,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 836 places, 779 transitions, 47652 flow, removed 14 selfloop flow, removed 7 redundant places. [2021-03-26 13:49:11,592 INFO L241 Difference]: Finished difference. Result has 838 places, 763 transitions, 46176 flow [2021-03-26 13:49:11,592 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} [2021-03-26 13:49:11,592 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 800 predicate places. [2021-03-26 13:49:11,593 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:11,593 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 838 places, 763 transitions, 46176 flow [2021-03-26 13:49:11,593 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 838 places, 763 transitions, 46176 flow [2021-03-26 13:49:11,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 838 places, 763 transitions, 46176 flow [2021-03-26 13:49:12,553 INFO L129 PetriNetUnfolder]: 264/3517 cut-off events. [2021-03-26 13:49:12,553 INFO L130 PetriNetUnfolder]: For 254106/254248 co-relation queries the response was YES. [2021-03-26 13:49:12,616 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. [2021-03-26 13:49:12,662 INFO L142 LiptonReduction]: Number of co-enabled transitions 4496 [2021-03-26 13:49:12,756 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:12,756 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:12,756 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1163 [2021-03-26 13:49:12,757 INFO L480 AbstractCegarLoop]: Abstraction has has 838 places, 763 transitions, 46176 flow [2021-03-26 13:49:12,757 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) [2021-03-26 13:49:12,757 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:12,757 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:49:12,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2021-03-26 13:49:12,757 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]=== [2021-03-26 13:49:12,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:12,757 INFO L82 PathProgramCache]: Analyzing trace with hash 598847904, now seen corresponding path program 238 times [2021-03-26 13:49:12,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:12,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148685512] [2021-03-26 13:49:12,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:12,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:12,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:12,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:12,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:12,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:12,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:49:12,774 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:49:12,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:49:12,785 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:49:12,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:49:12,800 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:49:12,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:49:12,819 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:49:12,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:49:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:49:12,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148685512] [2021-03-26 13:49:12,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:12,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:49:12,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345968566] [2021-03-26 13:49:12,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:49:12,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:12,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:49:12,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:49:12,839 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:49:12,839 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) [2021-03-26 13:49:12,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:12,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:49:12,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:14,656 INFO L129 PetriNetUnfolder]: 277/3541 cut-off events. [2021-03-26 13:49:14,656 INFO L130 PetriNetUnfolder]: For 256663/256786 co-relation queries the response was YES. [2021-03-26 13:49:14,709 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. [2021-03-26 13:49:14,717 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 486 selfloop transitions, 274 changer transitions 5/779 dead transitions. [2021-03-26 13:49:14,717 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 845 places, 779 transitions, 48286 flow [2021-03-26 13:49:14,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:49:14,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:49:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:49:14,718 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:49:14,718 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:49:14,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:49:14,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:14,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:49:14,718 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) [2021-03-26 13:49:14,718 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) [2021-03-26 13:49:14,718 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) [2021-03-26 13:49:14,718 INFO L185 Difference]: Start difference. First operand has 838 places, 763 transitions, 46176 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:49:14,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 845 places, 779 transitions, 48286 flow [2021-03-26 13:49:16,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 840 places, 779 transitions, 47719 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-03-26 13:49:16,987 INFO L241 Difference]: Finished difference. Result has 841 places, 758 transitions, 45813 flow [2021-03-26 13:49:16,987 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} [2021-03-26 13:49:16,987 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 803 predicate places. [2021-03-26 13:49:16,988 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:16,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 841 places, 758 transitions, 45813 flow [2021-03-26 13:49:16,988 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 841 places, 758 transitions, 45813 flow [2021-03-26 13:49:17,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 839 places, 758 transitions, 45813 flow [2021-03-26 13:49:18,055 INFO L129 PetriNetUnfolder]: 263/3500 cut-off events. [2021-03-26 13:49:18,055 INFO L130 PetriNetUnfolder]: For 254027/254146 co-relation queries the response was YES. [2021-03-26 13:49:18,121 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. [2021-03-26 13:49:18,166 INFO L142 LiptonReduction]: Number of co-enabled transitions 4460 [2021-03-26 13:49:18,262 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:18,262 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:18,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1275 [2021-03-26 13:49:18,262 INFO L480 AbstractCegarLoop]: Abstraction has has 839 places, 758 transitions, 45813 flow [2021-03-26 13:49:18,263 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) [2021-03-26 13:49:18,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:18,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:49:18,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2021-03-26 13:49:18,263 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]=== [2021-03-26 13:49:18,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:18,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1682436388, now seen corresponding path program 239 times [2021-03-26 13:49:18,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:18,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956931346] [2021-03-26 13:49:18,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:18,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:18,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:18,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:18,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:18,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:18,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:49:18,280 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:49:18,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:49:18,291 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:49:18,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:49:18,306 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:49:18,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:49:18,325 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:49:18,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:49:18,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:49:18,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956931346] [2021-03-26 13:49:18,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:18,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:49:18,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797915752] [2021-03-26 13:49:18,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:49:18,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:18,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:49:18,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:49:18,345 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:49:18,345 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) [2021-03-26 13:49:18,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:18,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:49:18,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:20,200 INFO L129 PetriNetUnfolder]: 276/3524 cut-off events. [2021-03-26 13:49:20,200 INFO L130 PetriNetUnfolder]: For 257162/257285 co-relation queries the response was YES. [2021-03-26 13:49:20,251 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. [2021-03-26 13:49:20,258 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 467 selfloop transitions, 293 changer transitions 0/774 dead transitions. [2021-03-26 13:49:20,258 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 846 places, 774 transitions, 47921 flow [2021-03-26 13:49:20,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:49:20,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:49:20,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:49:20,259 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:49:20,259 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:49:20,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:49:20,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:20,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:49:20,260 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) [2021-03-26 13:49:20,260 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) [2021-03-26 13:49:20,260 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) [2021-03-26 13:49:20,260 INFO L185 Difference]: Start difference. First operand has 839 places, 758 transitions, 45813 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:49:20,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 846 places, 774 transitions, 47921 flow [2021-03-26 13:49:22,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 840 places, 774 transitions, 47366 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-26 13:49:22,400 INFO L241 Difference]: Finished difference. Result has 842 places, 770 transitions, 46526 flow [2021-03-26 13:49:22,401 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} [2021-03-26 13:49:22,401 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 804 predicate places. [2021-03-26 13:49:22,401 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:22,401 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 842 places, 770 transitions, 46526 flow [2021-03-26 13:49:22,401 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 842 places, 770 transitions, 46526 flow [2021-03-26 13:49:22,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 842 places, 770 transitions, 46526 flow [2021-03-26 13:49:23,327 INFO L129 PetriNetUnfolder]: 263/3499 cut-off events. [2021-03-26 13:49:23,327 INFO L130 PetriNetUnfolder]: For 255880/256083 co-relation queries the response was YES. [2021-03-26 13:49:23,378 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. [2021-03-26 13:49:23,420 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-26 13:49:23,515 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:23,516 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:23,516 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1115 [2021-03-26 13:49:23,516 INFO L480 AbstractCegarLoop]: Abstraction has has 842 places, 770 transitions, 46526 flow [2021-03-26 13:49:23,516 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) [2021-03-26 13:49:23,516 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:23,516 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:49:23,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-03-26 13:49:23,516 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]=== [2021-03-26 13:49:23,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:23,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1296373604, now seen corresponding path program 240 times [2021-03-26 13:49:23,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:23,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341637911] [2021-03-26 13:49:23,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:23,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:23,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:23,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:23,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:23,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:23,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:49:23,533 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:49:23,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:49:23,543 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:49:23,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:49:23,557 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:49:23,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:49:23,576 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:49:23,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:49:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:49:23,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341637911] [2021-03-26 13:49:23,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:23,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:49:23,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548943112] [2021-03-26 13:49:23,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:49:23,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:23,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:49:23,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:49:23,595 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:49:23,596 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) [2021-03-26 13:49:23,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:23,596 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:49:23,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:25,504 INFO L129 PetriNetUnfolder]: 276/3523 cut-off events. [2021-03-26 13:49:25,505 INFO L130 PetriNetUnfolder]: For 258178/258303 co-relation queries the response was YES. [2021-03-26 13:49:25,556 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. [2021-03-26 13:49:25,563 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 468 selfloop transitions, 292 changer transitions 0/774 dead transitions. [2021-03-26 13:49:25,564 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 849 places, 774 transitions, 48102 flow [2021-03-26 13:49:25,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:49:25,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:49:25,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:49:25,565 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:49:25,565 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:49:25,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:49:25,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:25,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:49:25,565 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) [2021-03-26 13:49:25,565 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) [2021-03-26 13:49:25,565 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) [2021-03-26 13:49:25,565 INFO L185 Difference]: Start difference. First operand has 842 places, 770 transitions, 46526 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:49:25,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 849 places, 774 transitions, 48102 flow [2021-03-26 13:49:27,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 847 places, 774 transitions, 47666 flow, removed 31 selfloop flow, removed 2 redundant places. [2021-03-26 13:49:27,863 INFO L241 Difference]: Finished difference. Result has 848 places, 770 transitions, 46677 flow [2021-03-26 13:49:27,863 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} [2021-03-26 13:49:27,863 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 810 predicate places. [2021-03-26 13:49:27,863 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:27,863 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 848 places, 770 transitions, 46677 flow [2021-03-26 13:49:27,864 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 848 places, 770 transitions, 46677 flow [2021-03-26 13:49:27,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 848 places, 770 transitions, 46677 flow [2021-03-26 13:49:28,950 INFO L129 PetriNetUnfolder]: 263/3498 cut-off events. [2021-03-26 13:49:28,950 INFO L130 PetriNetUnfolder]: For 257856/258059 co-relation queries the response was YES. [2021-03-26 13:49:29,004 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. [2021-03-26 13:49:29,047 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-26 13:49:29,143 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:29,144 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:29,144 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1281 [2021-03-26 13:49:29,144 INFO L480 AbstractCegarLoop]: Abstraction has has 848 places, 770 transitions, 46677 flow [2021-03-26 13:49:29,144 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) [2021-03-26 13:49:29,144 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:29,144 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:49:29,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-03-26 13:49:29,144 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]=== [2021-03-26 13:49:29,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:29,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1001589950, now seen corresponding path program 241 times [2021-03-26 13:49:29,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:29,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107941185] [2021-03-26 13:49:29,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:29,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:29,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:29,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:29,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:29,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:29,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:49:29,164 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:49:29,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:49:29,175 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:49:29,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:49:29,190 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:49:29,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:49:29,210 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:49:29,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:49:29,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:49:29,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107941185] [2021-03-26 13:49:29,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:29,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:49:29,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812050670] [2021-03-26 13:49:29,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:49:29,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:29,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:49:29,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:49:29,231 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:49:29,231 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) [2021-03-26 13:49:29,231 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:29,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:49:29,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:31,172 INFO L129 PetriNetUnfolder]: 276/3522 cut-off events. [2021-03-26 13:49:31,172 INFO L130 PetriNetUnfolder]: For 260659/260782 co-relation queries the response was YES. [2021-03-26 13:49:31,220 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. [2021-03-26 13:49:31,228 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 470 selfloop transitions, 290 changer transitions 0/774 dead transitions. [2021-03-26 13:49:31,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 855 places, 774 transitions, 48261 flow [2021-03-26 13:49:31,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:49:31,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:49:31,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:49:31,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:49:31,229 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:49:31,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:49:31,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:31,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:49:31,229 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) [2021-03-26 13:49:31,230 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) [2021-03-26 13:49:31,230 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) [2021-03-26 13:49:31,230 INFO L185 Difference]: Start difference. First operand has 848 places, 770 transitions, 46677 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:49:31,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 855 places, 774 transitions, 48261 flow [2021-03-26 13:49:33,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 852 places, 774 transitions, 47814 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-26 13:49:33,467 INFO L241 Difference]: Finished difference. Result has 853 places, 770 transitions, 46813 flow [2021-03-26 13:49:33,468 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} [2021-03-26 13:49:33,468 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 815 predicate places. [2021-03-26 13:49:33,468 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:33,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 853 places, 770 transitions, 46813 flow [2021-03-26 13:49:33,468 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 853 places, 770 transitions, 46813 flow [2021-03-26 13:49:33,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 853 places, 770 transitions, 46813 flow [2021-03-26 13:49:34,402 INFO L129 PetriNetUnfolder]: 263/3497 cut-off events. [2021-03-26 13:49:34,403 INFO L130 PetriNetUnfolder]: For 261505/261775 co-relation queries the response was YES. [2021-03-26 13:49:34,461 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. [2021-03-26 13:49:34,504 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-26 13:49:34,600 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:34,600 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:34,600 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1132 [2021-03-26 13:49:34,601 INFO L480 AbstractCegarLoop]: Abstraction has has 853 places, 770 transitions, 46813 flow [2021-03-26 13:49:34,601 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) [2021-03-26 13:49:34,601 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:34,601 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:49:34,601 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2021-03-26 13:49:34,601 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]=== [2021-03-26 13:49:34,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:34,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1059269852, now seen corresponding path program 242 times [2021-03-26 13:49:34,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:34,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112474833] [2021-03-26 13:49:34,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:34,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:34,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:34,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:34,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:34,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:34,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:49:34,617 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:49:34,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:49:34,627 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:49:34,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:49:34,642 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:49:34,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:49:34,661 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:49:34,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:49:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:49:34,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112474833] [2021-03-26 13:49:34,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:34,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:49:34,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248582959] [2021-03-26 13:49:34,680 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:49:34,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:34,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:49:34,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:49:34,680 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:49:34,680 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) [2021-03-26 13:49:34,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:34,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:49:34,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:36,624 INFO L129 PetriNetUnfolder]: 276/3521 cut-off events. [2021-03-26 13:49:36,624 INFO L130 PetriNetUnfolder]: For 264055/264178 co-relation queries the response was YES. [2021-03-26 13:49:36,671 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. [2021-03-26 13:49:36,680 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 471 selfloop transitions, 289 changer transitions 0/774 dead transitions. [2021-03-26 13:49:36,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 860 places, 774 transitions, 48405 flow [2021-03-26 13:49:36,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:49:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:49:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:49:36,681 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:49:36,681 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:49:36,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:49:36,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:36,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:49:36,681 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) [2021-03-26 13:49:36,681 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) [2021-03-26 13:49:36,682 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) [2021-03-26 13:49:36,682 INFO L185 Difference]: Start difference. First operand has 853 places, 770 transitions, 46813 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:49:36,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 860 places, 774 transitions, 48405 flow [2021-03-26 13:49:38,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 857 places, 774 transitions, 47904 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 13:49:38,918 INFO L241 Difference]: Finished difference. Result has 858 places, 770 transitions, 46893 flow [2021-03-26 13:49:38,918 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} [2021-03-26 13:49:38,919 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 820 predicate places. [2021-03-26 13:49:38,919 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:38,919 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 858 places, 770 transitions, 46893 flow [2021-03-26 13:49:38,919 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 858 places, 770 transitions, 46893 flow [2021-03-26 13:49:38,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 858 places, 770 transitions, 46893 flow [2021-03-26 13:49:39,865 INFO L129 PetriNetUnfolder]: 263/3496 cut-off events. [2021-03-26 13:49:39,865 INFO L130 PetriNetUnfolder]: For 263906/264122 co-relation queries the response was YES. [2021-03-26 13:49:39,920 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. [2021-03-26 13:49:39,964 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-26 13:49:40,061 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:40,061 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:40,061 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1142 [2021-03-26 13:49:40,061 INFO L480 AbstractCegarLoop]: Abstraction has has 858 places, 770 transitions, 46893 flow [2021-03-26 13:49:40,062 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) [2021-03-26 13:49:40,062 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:40,062 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:49:40,062 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2021-03-26 13:49:40,062 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]=== [2021-03-26 13:49:40,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:40,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1089526684, now seen corresponding path program 243 times [2021-03-26 13:49:40,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:40,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839964740] [2021-03-26 13:49:40,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:40,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:40,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:40,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:40,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:40,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:40,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:49:40,079 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:49:40,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:49:40,089 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:49:40,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:49:40,105 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:49:40,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:49:40,124 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:49:40,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:49:40,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:49:40,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839964740] [2021-03-26 13:49:40,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:40,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:49:40,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923799224] [2021-03-26 13:49:40,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:49:40,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:40,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:49:40,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:49:40,145 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:49:40,145 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) [2021-03-26 13:49:40,145 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:40,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:49:40,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:42,115 INFO L129 PetriNetUnfolder]: 276/3520 cut-off events. [2021-03-26 13:49:42,116 INFO L130 PetriNetUnfolder]: For 267182/267309 co-relation queries the response was YES. [2021-03-26 13:49:42,166 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. [2021-03-26 13:49:42,174 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 470 selfloop transitions, 290 changer transitions 0/774 dead transitions. [2021-03-26 13:49:42,174 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 774 transitions, 48493 flow [2021-03-26 13:49:42,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:49:42,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:49:42,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:49:42,175 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:49:42,175 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:49:42,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:49:42,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:42,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:49:42,175 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) [2021-03-26 13:49:42,176 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) [2021-03-26 13:49:42,176 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) [2021-03-26 13:49:42,176 INFO L185 Difference]: Start difference. First operand has 858 places, 770 transitions, 46893 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:49:42,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 774 transitions, 48493 flow [2021-03-26 13:49:44,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 860 places, 774 transitions, 47665 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-26 13:49:44,423 INFO L241 Difference]: Finished difference. Result has 861 places, 770 transitions, 46648 flow [2021-03-26 13:49:44,424 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} [2021-03-26 13:49:44,424 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 823 predicate places. [2021-03-26 13:49:44,424 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:44,424 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 861 places, 770 transitions, 46648 flow [2021-03-26 13:49:44,424 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 861 places, 770 transitions, 46648 flow [2021-03-26 13:49:44,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 861 places, 770 transitions, 46648 flow [2021-03-26 13:49:45,365 INFO L129 PetriNetUnfolder]: 263/3495 cut-off events. [2021-03-26 13:49:45,365 INFO L130 PetriNetUnfolder]: For 263875/264071 co-relation queries the response was YES. [2021-03-26 13:49:45,419 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. [2021-03-26 13:49:45,464 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-26 13:49:45,560 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:45,560 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:45,560 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1136 [2021-03-26 13:49:45,561 INFO L480 AbstractCegarLoop]: Abstraction has has 861 places, 770 transitions, 46648 flow [2021-03-26 13:49:45,561 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) [2021-03-26 13:49:45,561 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:45,561 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:49:45,561 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2021-03-26 13:49:45,561 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]=== [2021-03-26 13:49:45,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:45,561 INFO L82 PathProgramCache]: Analyzing trace with hash 308638032, now seen corresponding path program 244 times [2021-03-26 13:49:45,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:45,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761985163] [2021-03-26 13:49:45,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:45,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:45,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:45,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:45,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:45,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:45,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:49:45,578 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:49:45,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:49:45,597 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:49:45,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:49:45,612 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:49:45,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:49:45,632 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:49:45,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:49:45,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:49:45,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761985163] [2021-03-26 13:49:45,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:45,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:49:45,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917996029] [2021-03-26 13:49:45,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:49:45,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:45,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:49:45,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:49:45,652 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:49:45,652 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) [2021-03-26 13:49:45,652 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:45,652 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:49:45,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:47,581 INFO L129 PetriNetUnfolder]: 276/3519 cut-off events. [2021-03-26 13:49:47,581 INFO L130 PetriNetUnfolder]: For 267688/267807 co-relation queries the response was YES. [2021-03-26 13:49:47,629 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. [2021-03-26 13:49:47,638 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 478 selfloop transitions, 282 changer transitions 0/774 dead transitions. [2021-03-26 13:49:47,638 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 868 places, 774 transitions, 48256 flow [2021-03-26 13:49:47,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:49:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:49:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:49:47,639 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:49:47,639 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:49:47,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:49:47,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:47,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:49:47,639 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) [2021-03-26 13:49:47,639 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) [2021-03-26 13:49:47,639 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) [2021-03-26 13:49:47,639 INFO L185 Difference]: Start difference. First operand has 861 places, 770 transitions, 46648 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:49:47,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 868 places, 774 transitions, 48256 flow [2021-03-26 13:49:49,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 865 places, 774 transitions, 47759 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 13:49:49,932 INFO L241 Difference]: Finished difference. Result has 866 places, 770 transitions, 46718 flow [2021-03-26 13:49:49,932 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} [2021-03-26 13:49:49,932 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 828 predicate places. [2021-03-26 13:49:49,932 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:49,932 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 866 places, 770 transitions, 46718 flow [2021-03-26 13:49:49,932 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 866 places, 770 transitions, 46718 flow [2021-03-26 13:49:49,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 866 places, 770 transitions, 46718 flow [2021-03-26 13:49:50,872 INFO L129 PetriNetUnfolder]: 263/3494 cut-off events. [2021-03-26 13:49:50,872 INFO L130 PetriNetUnfolder]: For 267335/267515 co-relation queries the response was YES. [2021-03-26 13:49:50,926 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. [2021-03-26 13:49:50,975 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-26 13:49:51,072 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:51,072 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:51,072 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1140 [2021-03-26 13:49:51,072 INFO L480 AbstractCegarLoop]: Abstraction has has 866 places, 770 transitions, 46718 flow [2021-03-26 13:49:51,073 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) [2021-03-26 13:49:51,073 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:51,073 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:49:51,073 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2021-03-26 13:49:51,073 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]=== [2021-03-26 13:49:51,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:51,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1872992792, now seen corresponding path program 245 times [2021-03-26 13:49:51,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:51,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549204792] [2021-03-26 13:49:51,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:51,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:51,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:51,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:51,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:51,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:51,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:49:51,089 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:49:51,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:49:51,108 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:49:51,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:49:51,123 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:49:51,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:49:51,143 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:49:51,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:49:51,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:49:51,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549204792] [2021-03-26 13:49:51,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:51,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:49:51,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698280262] [2021-03-26 13:49:51,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:49:51,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:51,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:49:51,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:49:51,162 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:49:51,162 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) [2021-03-26 13:49:51,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:51,162 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:49:51,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:53,143 INFO L129 PetriNetUnfolder]: 276/3518 cut-off events. [2021-03-26 13:49:53,144 INFO L130 PetriNetUnfolder]: For 271333/271451 co-relation queries the response was YES. [2021-03-26 13:49:53,193 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. [2021-03-26 13:49:53,201 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 477 selfloop transitions, 277 changer transitions 6/774 dead transitions. [2021-03-26 13:49:53,201 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 873 places, 774 transitions, 48334 flow [2021-03-26 13:49:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:49:53,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:49:53,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:49:53,202 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:49:53,202 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:49:53,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:49:53,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:53,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:49:53,202 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) [2021-03-26 13:49:53,203 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) [2021-03-26 13:49:53,203 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) [2021-03-26 13:49:53,203 INFO L185 Difference]: Start difference. First operand has 866 places, 770 transitions, 46718 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:49:53,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 873 places, 774 transitions, 48334 flow [2021-03-26 13:49:55,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 869 places, 774 transitions, 47820 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-26 13:49:55,522 INFO L241 Difference]: Finished difference. Result has 870 places, 764 transitions, 46326 flow [2021-03-26 13:49:55,522 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} [2021-03-26 13:49:55,523 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 832 predicate places. [2021-03-26 13:49:55,523 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:55,523 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 870 places, 764 transitions, 46326 flow [2021-03-26 13:49:55,523 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 870 places, 764 transitions, 46326 flow [2021-03-26 13:49:55,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 868 places, 764 transitions, 46326 flow [2021-03-26 13:49:56,505 INFO L129 PetriNetUnfolder]: 262/3477 cut-off events. [2021-03-26 13:49:56,505 INFO L130 PetriNetUnfolder]: For 268326/268443 co-relation queries the response was YES. [2021-03-26 13:49:56,559 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. [2021-03-26 13:49:56,604 INFO L142 LiptonReduction]: Number of co-enabled transitions 4438 [2021-03-26 13:49:56,697 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:56,698 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:56,698 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1175 [2021-03-26 13:49:56,698 INFO L480 AbstractCegarLoop]: Abstraction has has 868 places, 764 transitions, 46326 flow [2021-03-26 13:49:56,698 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) [2021-03-26 13:49:56,698 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:56,698 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:49:56,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2021-03-26 13:49:56,698 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]=== [2021-03-26 13:49:56,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:56,699 INFO L82 PathProgramCache]: Analyzing trace with hash -585214522, now seen corresponding path program 246 times [2021-03-26 13:49:56,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:56,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726232174] [2021-03-26 13:49:56,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:56,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:56,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:56,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:56,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:56,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:56,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:49:56,715 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:49:56,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:49:56,726 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:49:56,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:49:56,741 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:49:56,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:49:56,760 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:49:56,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:49:56,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:49:56,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726232174] [2021-03-26 13:49:56,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:56,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:49:56,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050623068] [2021-03-26 13:49:56,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:49:56,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:56,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:49:56,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:49:56,780 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:49:56,780 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) [2021-03-26 13:49:56,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:56,780 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:49:56,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:49:58,796 INFO L129 PetriNetUnfolder]: 275/3501 cut-off events. [2021-03-26 13:49:58,797 INFO L130 PetriNetUnfolder]: For 273177/273294 co-relation queries the response was YES. [2021-03-26 13:49:58,845 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. [2021-03-26 13:49:58,853 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 279 changer transitions 15/768 dead transitions. [2021-03-26 13:49:58,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 875 places, 768 transitions, 47938 flow [2021-03-26 13:49:58,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:49:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:49:58,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:49:58,854 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:49:58,854 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:49:58,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:49:58,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:49:58,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:49:58,854 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) [2021-03-26 13:49:58,855 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) [2021-03-26 13:49:58,855 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) [2021-03-26 13:49:58,855 INFO L185 Difference]: Start difference. First operand has 868 places, 764 transitions, 46326 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:49:58,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 875 places, 768 transitions, 47938 flow [2021-03-26 13:50:01,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 869 places, 768 transitions, 47380 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-26 13:50:01,205 INFO L241 Difference]: Finished difference. Result has 870 places, 749 transitions, 45082 flow [2021-03-26 13:50:01,205 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} [2021-03-26 13:50:01,205 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 832 predicate places. [2021-03-26 13:50:01,205 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:50:01,205 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 870 places, 749 transitions, 45082 flow [2021-03-26 13:50:01,205 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 870 places, 749 transitions, 45082 flow [2021-03-26 13:50:01,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 862 places, 749 transitions, 45082 flow [2021-03-26 13:50:02,301 INFO L129 PetriNetUnfolder]: 261/3434 cut-off events. [2021-03-26 13:50:02,301 INFO L130 PetriNetUnfolder]: For 257851/257968 co-relation queries the response was YES. [2021-03-26 13:50:02,361 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. [2021-03-26 13:50:02,413 INFO L142 LiptonReduction]: Number of co-enabled transitions 4308 [2021-03-26 13:50:02,500 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:50:02,500 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:50:02,500 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1295 [2021-03-26 13:50:02,500 INFO L480 AbstractCegarLoop]: Abstraction has has 862 places, 749 transitions, 45082 flow [2021-03-26 13:50:02,500 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) [2021-03-26 13:50:02,501 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:50:02,501 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:50:02,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2021-03-26 13:50:02,501 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]=== [2021-03-26 13:50:02,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:50:02,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1539229100, now seen corresponding path program 247 times [2021-03-26 13:50:02,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:50:02,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672182854] [2021-03-26 13:50:02,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:50:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:50:02,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:02,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:50:02,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:02,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:50:02,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:02,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:50:02,541 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:50:02,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:50:02,552 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:50:02,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:50:02,579 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:50:02,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:50:02,599 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:50:02,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:50:02,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:50:02,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672182854] [2021-03-26 13:50:02,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:50:02,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:50:02,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727124637] [2021-03-26 13:50:02,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:50:02,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:50:02,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:50:02,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:50:02,618 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:50:02,618 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) [2021-03-26 13:50:02,618 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:50:02,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:50:02,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:50:04,598 INFO L129 PetriNetUnfolder]: 274/3458 cut-off events. [2021-03-26 13:50:04,598 INFO L130 PetriNetUnfolder]: For 262265/262384 co-relation queries the response was YES. [2021-03-26 13:50:04,783 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. [2021-03-26 13:50:04,791 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 475 selfloop transitions, 261 changer transitions 3/753 dead transitions. [2021-03-26 13:50:04,791 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 869 places, 753 transitions, 46656 flow [2021-03-26 13:50:04,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:50:04,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:50:04,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:50:04,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:50:04,792 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:50:04,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:50:04,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:50:04,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:50:04,792 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) [2021-03-26 13:50:04,793 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) [2021-03-26 13:50:04,793 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) [2021-03-26 13:50:04,793 INFO L185 Difference]: Start difference. First operand has 862 places, 749 transitions, 45082 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:50:04,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 869 places, 753 transitions, 46656 flow [2021-03-26 13:50:07,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 858 places, 753 transitions, 45983 flow, removed 36 selfloop flow, removed 11 redundant places. [2021-03-26 13:50:07,196 INFO L241 Difference]: Finished difference. Result has 859 places, 746 transitions, 44781 flow [2021-03-26 13:50:07,196 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} [2021-03-26 13:50:07,196 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 821 predicate places. [2021-03-26 13:50:07,196 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:50:07,196 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 859 places, 746 transitions, 44781 flow [2021-03-26 13:50:07,196 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 859 places, 746 transitions, 44781 flow [2021-03-26 13:50:07,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 857 places, 746 transitions, 44781 flow [2021-03-26 13:50:08,311 INFO L129 PetriNetUnfolder]: 260/3423 cut-off events. [2021-03-26 13:50:08,312 INFO L130 PetriNetUnfolder]: For 243351/243468 co-relation queries the response was YES. [2021-03-26 13:50:08,372 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. [2021-03-26 13:50:08,416 INFO L142 LiptonReduction]: Number of co-enabled transitions 4294 [2021-03-26 13:50:08,507 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:50:08,508 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:50:08,508 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1312 [2021-03-26 13:50:08,508 INFO L480 AbstractCegarLoop]: Abstraction has has 857 places, 746 transitions, 44781 flow [2021-03-26 13:50:08,508 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) [2021-03-26 13:50:08,508 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:50:08,508 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:50:08,508 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-03-26 13:50:08,508 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]=== [2021-03-26 13:50:08,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:50:08,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1671933284, now seen corresponding path program 248 times [2021-03-26 13:50:08,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:50:08,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392101382] [2021-03-26 13:50:08,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:50:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:50:08,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:08,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:50:08,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:08,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:50:08,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:08,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:50:08,530 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:50:08,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:50:08,541 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:50:08,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:50:08,556 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:50:08,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:50:08,575 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:50:08,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:50:08,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:50:08,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392101382] [2021-03-26 13:50:08,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:50:08,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:50:08,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709320118] [2021-03-26 13:50:08,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:50:08,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:50:08,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:50:08,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:50:08,595 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:50:08,595 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) [2021-03-26 13:50:08,595 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:50:08,595 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:50:08,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:50:10,610 INFO L129 PetriNetUnfolder]: 273/3447 cut-off events. [2021-03-26 13:50:10,610 INFO L130 PetriNetUnfolder]: For 246015/246137 co-relation queries the response was YES. [2021-03-26 13:50:10,672 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. [2021-03-26 13:50:10,681 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 259 changer transitions 3/750 dead transitions. [2021-03-26 13:50:10,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 864 places, 750 transitions, 46309 flow [2021-03-26 13:50:10,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:50:10,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:50:10,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:50:10,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:50:10,691 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:50:10,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:50:10,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:50:10,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:50:10,691 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) [2021-03-26 13:50:10,692 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) [2021-03-26 13:50:10,692 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) [2021-03-26 13:50:10,692 INFO L185 Difference]: Start difference. First operand has 857 places, 746 transitions, 44781 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:50:10,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 864 places, 750 transitions, 46309 flow [2021-03-26 13:50:13,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 859 places, 750 transitions, 45784 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:50:13,166 INFO L241 Difference]: Finished difference. Result has 860 places, 743 transitions, 44586 flow [2021-03-26 13:50:13,166 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} [2021-03-26 13:50:13,167 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 822 predicate places. [2021-03-26 13:50:13,167 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:50:13,167 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 860 places, 743 transitions, 44586 flow [2021-03-26 13:50:13,167 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 860 places, 743 transitions, 44586 flow [2021-03-26 13:50:13,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 858 places, 743 transitions, 44586 flow [2021-03-26 13:50:14,129 INFO L129 PetriNetUnfolder]: 259/3412 cut-off events. [2021-03-26 13:50:14,129 INFO L130 PetriNetUnfolder]: For 242336/242454 co-relation queries the response was YES. [2021-03-26 13:50:14,196 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. [2021-03-26 13:50:14,245 INFO L142 LiptonReduction]: Number of co-enabled transitions 4282 [2021-03-26 13:50:14,356 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:50:14,356 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:50:14,356 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1189 [2021-03-26 13:50:14,357 INFO L480 AbstractCegarLoop]: Abstraction has has 858 places, 743 transitions, 44586 flow [2021-03-26 13:50:14,357 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) [2021-03-26 13:50:14,357 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:50:14,357 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:50:14,357 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-03-26 13:50:14,357 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]=== [2021-03-26 13:50:14,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:50:14,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1022596158, now seen corresponding path program 249 times [2021-03-26 13:50:14,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:50:14,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939461187] [2021-03-26 13:50:14,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:50:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:50:14,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:14,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:50:14,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:14,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:50:14,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:14,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:50:14,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:14,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:50:14,385 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:50:14,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:50:14,401 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:50:14,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:50:14,421 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:50:14,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:50:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:50:14,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939461187] [2021-03-26 13:50:14,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:50:14,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:50:14,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240827949] [2021-03-26 13:50:14,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:50:14,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:50:14,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:50:14,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:50:14,440 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:50:14,440 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) [2021-03-26 13:50:14,440 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:50:14,440 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:50:14,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:50:16,320 INFO L129 PetriNetUnfolder]: 272/3436 cut-off events. [2021-03-26 13:50:16,320 INFO L130 PetriNetUnfolder]: For 245140/245257 co-relation queries the response was YES. [2021-03-26 13:50:16,373 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. [2021-03-26 13:50:16,381 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 462 selfloop transitions, 268 changer transitions 3/747 dead transitions. [2021-03-26 13:50:16,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 747 transitions, 46108 flow [2021-03-26 13:50:16,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:50:16,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:50:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:50:16,382 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:50:16,382 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:50:16,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:50:16,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:50:16,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:50:16,383 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) [2021-03-26 13:50:16,383 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) [2021-03-26 13:50:16,383 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) [2021-03-26 13:50:16,383 INFO L185 Difference]: Start difference. First operand has 858 places, 743 transitions, 44586 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:50:16,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 747 transitions, 46108 flow [2021-03-26 13:50:18,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 860 places, 747 transitions, 45585 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-26 13:50:18,673 INFO L241 Difference]: Finished difference. Result has 861 places, 740 transitions, 44411 flow [2021-03-26 13:50:18,673 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} [2021-03-26 13:50:18,674 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 823 predicate places. [2021-03-26 13:50:18,674 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:50:18,674 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 861 places, 740 transitions, 44411 flow [2021-03-26 13:50:18,674 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 861 places, 740 transitions, 44411 flow [2021-03-26 13:50:18,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 859 places, 740 transitions, 44411 flow [2021-03-26 13:50:19,623 INFO L129 PetriNetUnfolder]: 258/3401 cut-off events. [2021-03-26 13:50:19,623 INFO L130 PetriNetUnfolder]: For 241627/241744 co-relation queries the response was YES. [2021-03-26 13:50:19,679 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. [2021-03-26 13:50:19,721 INFO L142 LiptonReduction]: Number of co-enabled transitions 4270 [2021-03-26 13:50:19,800 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:50:19,801 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:50:19,801 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1127 [2021-03-26 13:50:19,801 INFO L480 AbstractCegarLoop]: Abstraction has has 859 places, 740 transitions, 44411 flow [2021-03-26 13:50:19,801 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) [2021-03-26 13:50:19,801 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:50:19,801 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:50:19,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2021-03-26 13:50:19,801 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]=== [2021-03-26 13:50:19,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:50:19,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1695029408, now seen corresponding path program 250 times [2021-03-26 13:50:19,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:50:19,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079553759] [2021-03-26 13:50:19,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:50:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:50:19,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:19,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:50:19,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:19,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:50:19,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:19,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:50:19,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:19,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:50:19,829 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:50:19,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:50:19,852 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:50:19,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:50:19,872 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:50:19,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:50:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:50:19,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079553759] [2021-03-26 13:50:19,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:50:19,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:50:19,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291451516] [2021-03-26 13:50:19,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:50:19,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:50:19,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:50:19,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:50:19,892 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:50:19,892 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) [2021-03-26 13:50:19,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:50:19,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:50:19,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:50:21,728 INFO L129 PetriNetUnfolder]: 271/3425 cut-off events. [2021-03-26 13:50:21,728 INFO L130 PetriNetUnfolder]: For 244315/244432 co-relation queries the response was YES. [2021-03-26 13:50:21,794 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. [2021-03-26 13:50:21,804 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 462 selfloop transitions, 266 changer transitions 2/744 dead transitions. [2021-03-26 13:50:21,804 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 866 places, 744 transitions, 45927 flow [2021-03-26 13:50:21,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:50:21,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:50:21,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:50:21,805 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:50:21,805 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:50:21,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:50:21,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:50:21,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:50:21,806 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) [2021-03-26 13:50:21,806 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) [2021-03-26 13:50:21,806 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) [2021-03-26 13:50:21,806 INFO L185 Difference]: Start difference. First operand has 859 places, 740 transitions, 44411 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:50:21,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 866 places, 744 transitions, 45927 flow [2021-03-26 13:50:24,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 861 places, 744 transitions, 45392 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:50:24,164 INFO L241 Difference]: Finished difference. Result has 862 places, 738 transitions, 44263 flow [2021-03-26 13:50:24,164 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} [2021-03-26 13:50:24,164 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 824 predicate places. [2021-03-26 13:50:24,164 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:50:24,164 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 862 places, 738 transitions, 44263 flow [2021-03-26 13:50:24,164 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 862 places, 738 transitions, 44263 flow [2021-03-26 13:50:24,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 861 places, 738 transitions, 44263 flow [2021-03-26 13:50:25,047 INFO L129 PetriNetUnfolder]: 257/3391 cut-off events. [2021-03-26 13:50:25,047 INFO L130 PetriNetUnfolder]: For 241117/241255 co-relation queries the response was YES. [2021-03-26 13:50:25,113 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. [2021-03-26 13:50:25,155 INFO L142 LiptonReduction]: Number of co-enabled transitions 4266 [2021-03-26 13:50:25,240 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:50:25,240 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:50:25,240 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1076 [2021-03-26 13:50:25,241 INFO L480 AbstractCegarLoop]: Abstraction has has 861 places, 738 transitions, 44263 flow [2021-03-26 13:50:25,241 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) [2021-03-26 13:50:25,241 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:50:25,241 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:50:25,241 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2021-03-26 13:50:25,241 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]=== [2021-03-26 13:50:25,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:50:25,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1855235390, now seen corresponding path program 251 times [2021-03-26 13:50:25,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:50:25,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735831493] [2021-03-26 13:50:25,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:50:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:50:25,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:25,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:50:25,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:25,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:50:25,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:25,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:50:25,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:25,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:50:25,270 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:50:25,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:50:25,293 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:50:25,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:50:25,313 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:50:25,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:50:25,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:50:25,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735831493] [2021-03-26 13:50:25,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:50:25,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:50:25,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14690611] [2021-03-26 13:50:25,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:50:25,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:50:25,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:50:25,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:50:25,333 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:50:25,334 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) [2021-03-26 13:50:25,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:50:25,334 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:50:25,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:50:27,079 INFO L129 PetriNetUnfolder]: 270/3415 cut-off events. [2021-03-26 13:50:27,080 INFO L130 PetriNetUnfolder]: For 243639/243759 co-relation queries the response was YES. [2021-03-26 13:50:27,131 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. [2021-03-26 13:50:27,139 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 263 changer transitions 5/742 dead transitions. [2021-03-26 13:50:27,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 868 places, 742 transitions, 45775 flow [2021-03-26 13:50:27,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:50:27,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:50:27,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-26 13:50:27,140 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-26 13:50:27,140 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-26 13:50:27,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-26 13:50:27,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:50:27,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-26 13:50:27,140 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) [2021-03-26 13:50:27,140 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) [2021-03-26 13:50:27,141 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) [2021-03-26 13:50:27,141 INFO L185 Difference]: Start difference. First operand has 861 places, 738 transitions, 44263 flow. Second operand 8 states and 466 transitions. [2021-03-26 13:50:27,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 868 places, 742 transitions, 45775 flow [2021-03-26 13:50:29,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 864 places, 742 transitions, 45344 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-03-26 13:50:29,271 INFO L241 Difference]: Finished difference. Result has 865 places, 733 transitions, 44080 flow [2021-03-26 13:50:29,271 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} [2021-03-26 13:50:29,272 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 827 predicate places. [2021-03-26 13:50:29,272 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:50:29,272 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 865 places, 733 transitions, 44080 flow [2021-03-26 13:50:29,272 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 865 places, 733 transitions, 44080 flow [2021-03-26 13:50:29,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 863 places, 733 transitions, 44080 flow [2021-03-26 13:50:30,125 INFO L129 PetriNetUnfolder]: 256/3369 cut-off events. [2021-03-26 13:50:30,125 INFO L130 PetriNetUnfolder]: For 237305/237405 co-relation queries the response was YES. [2021-03-26 13:50:30,182 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. [2021-03-26 13:50:30,222 INFO L142 LiptonReduction]: Number of co-enabled transitions 4234 [2021-03-26 13:50:30,292 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:50:30,293 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:50:30,293 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1021 [2021-03-26 13:50:30,293 INFO L480 AbstractCegarLoop]: Abstraction has has 863 places, 733 transitions, 44080 flow [2021-03-26 13:50:30,293 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) [2021-03-26 13:50:30,293 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:50:30,293 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:50:30,293 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2021-03-26 13:50:30,294 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]=== [2021-03-26 13:50:30,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:50:30,294 INFO L82 PathProgramCache]: Analyzing trace with hash 199178106, now seen corresponding path program 252 times [2021-03-26 13:50:30,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:50:30,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498590907] [2021-03-26 13:50:30,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:50:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:50:30,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:30,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:50:30,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:30,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:50:30,310 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:50:30,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:50:30,323 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:50:30,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:50:30,340 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:50:30,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:50:30,361 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:50:30,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:50:30,381 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:50:30,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:50:30,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:50:30,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498590907] [2021-03-26 13:50:30,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:50:30,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:50:30,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831321607] [2021-03-26 13:50:30,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:50:30,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:50:30,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:50:30,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:50:30,401 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:50:30,401 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) [2021-03-26 13:50:30,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:50:30,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:50:30,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:50:32,204 INFO L129 PetriNetUnfolder]: 290/3649 cut-off events. [2021-03-26 13:50:32,204 INFO L130 PetriNetUnfolder]: For 254201/254243 co-relation queries the response was YES. [2021-03-26 13:50:32,259 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. [2021-03-26 13:50:32,267 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 546 selfloop transitions, 297 changer transitions 2/859 dead transitions. [2021-03-26 13:50:32,267 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 870 places, 859 transitions, 52056 flow [2021-03-26 13:50:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:50:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:50:32,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:50:32,268 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:50:32,268 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:50:32,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:50:32,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:50:32,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:50:32,269 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) [2021-03-26 13:50:32,269 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) [2021-03-26 13:50:32,270 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) [2021-03-26 13:50:32,270 INFO L185 Difference]: Start difference. First operand has 863 places, 733 transitions, 44080 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:50:32,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 870 places, 859 transitions, 52056 flow [2021-03-26 13:50:34,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 865 places, 859 transitions, 51435 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-26 13:50:34,494 INFO L241 Difference]: Finished difference. Result has 871 places, 771 transitions, 46667 flow [2021-03-26 13:50:34,495 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} [2021-03-26 13:50:34,495 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 833 predicate places. [2021-03-26 13:50:34,495 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:50:34,495 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 871 places, 771 transitions, 46667 flow [2021-03-26 13:50:34,495 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 871 places, 771 transitions, 46667 flow [2021-03-26 13:50:34,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 870 places, 771 transitions, 46667 flow [2021-03-26 13:50:35,492 INFO L129 PetriNetUnfolder]: 277/3616 cut-off events. [2021-03-26 13:50:35,492 INFO L130 PetriNetUnfolder]: For 261732/261935 co-relation queries the response was YES. [2021-03-26 13:50:35,547 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. [2021-03-26 13:50:35,591 INFO L142 LiptonReduction]: Number of co-enabled transitions 4446 [2021-03-26 13:50:35,682 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:50:35,682 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:50:35,682 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1187 [2021-03-26 13:50:35,682 INFO L480 AbstractCegarLoop]: Abstraction has has 870 places, 771 transitions, 46667 flow [2021-03-26 13:50:35,683 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) [2021-03-26 13:50:35,683 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:50:35,683 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:50:35,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2021-03-26 13:50:35,683 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]=== [2021-03-26 13:50:35,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:50:35,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1362439686, now seen corresponding path program 253 times [2021-03-26 13:50:35,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:50:35,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284806016] [2021-03-26 13:50:35,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:50:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:50:35,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:35,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:50:35,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:35,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:50:35,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:35,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:50:35,703 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:50:35,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:50:35,713 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:50:35,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:50:35,729 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:50:35,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:50:35,749 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:50:35,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:50:35,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:50:35,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284806016] [2021-03-26 13:50:35,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:50:35,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:50:35,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225171444] [2021-03-26 13:50:35,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:50:35,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:50:35,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:50:35,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:50:35,769 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:50:35,770 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) [2021-03-26 13:50:35,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:50:35,770 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:50:35,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:50:37,698 INFO L129 PetriNetUnfolder]: 290/3661 cut-off events. [2021-03-26 13:50:37,698 INFO L130 PetriNetUnfolder]: For 264891/264997 co-relation queries the response was YES. [2021-03-26 13:50:37,755 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. [2021-03-26 13:50:37,765 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 509 selfloop transitions, 306 changer transitions 2/831 dead transitions. [2021-03-26 13:50:37,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 877 places, 831 transitions, 51108 flow [2021-03-26 13:50:37,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:50:37,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 13:50:37,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 13:50:37,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-26 13:50:37,766 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 13:50:37,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 13:50:37,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:50:37,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 13:50:37,767 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) [2021-03-26 13:50:37,767 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) [2021-03-26 13:50:37,767 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) [2021-03-26 13:50:37,767 INFO L185 Difference]: Start difference. First operand has 870 places, 771 transitions, 46667 flow. Second operand 8 states and 467 transitions. [2021-03-26 13:50:37,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 877 places, 831 transitions, 51108 flow [2021-03-26 13:50:40,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 873 places, 831 transitions, 50852 flow, removed 45 selfloop flow, removed 4 redundant places. [2021-03-26 13:50:40,226 INFO L241 Difference]: Finished difference. Result has 878 places, 793 transitions, 48548 flow [2021-03-26 13:50:40,226 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} [2021-03-26 13:50:40,227 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 840 predicate places. [2021-03-26 13:50:40,227 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:50:40,227 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 878 places, 793 transitions, 48548 flow [2021-03-26 13:50:40,227 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 878 places, 793 transitions, 48548 flow [2021-03-26 13:50:40,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 877 places, 793 transitions, 48548 flow [2021-03-26 13:50:41,291 INFO L129 PetriNetUnfolder]: 278/3629 cut-off events. [2021-03-26 13:50:41,291 INFO L130 PetriNetUnfolder]: For 270881/271089 co-relation queries the response was YES. [2021-03-26 13:50:41,347 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. [2021-03-26 13:50:41,394 INFO L142 LiptonReduction]: Number of co-enabled transitions 4574 [2021-03-26 13:50:41,485 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:50:41,485 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:50:41,485 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1258 [2021-03-26 13:50:41,485 INFO L480 AbstractCegarLoop]: Abstraction has has 877 places, 793 transitions, 48548 flow [2021-03-26 13:50:41,486 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) [2021-03-26 13:50:41,486 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:50:41,486 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:50:41,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2021-03-26 13:50:41,486 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]=== [2021-03-26 13:50:41,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:50:41,486 INFO L82 PathProgramCache]: Analyzing trace with hash 484220564, now seen corresponding path program 254 times [2021-03-26 13:50:41,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:50:41,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596839986] [2021-03-26 13:50:41,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:50:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:50:41,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:41,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:50:41,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:50:41,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:50:41,502 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:50:41,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:50:41,515 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:50:41,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:50:41,532 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:50:41,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:50:41,547 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:50:41,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:50:41,566 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-26 13:50:41,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:50:41,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:50:41,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596839986] [2021-03-26 13:50:41,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:50:41,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 13:50:41,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364774382] [2021-03-26 13:50:41,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 13:50:41,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:50:41,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 13:50:41,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 13:50:41,585 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-26 13:50:41,585 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) [2021-03-26 13:50:41,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:50:41,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-26 13:50:41,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-03-26 13:50:42,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:50:42,765 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2021-03-26 13:50:42,765 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 13:50:42,768 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 13:50:42,768 INFO L202 PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 01:50:42 BasicIcfg [2021-03-26 13:50:42,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 13:50:42,768 INFO L168 Benchmark]: Toolchain (without parser) took 843023.32 ms. Allocated memory was 352.3 MB in the beginning and 3.2 GB in the end (delta: 2.8 GB). Free memory was 332.2 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 874.2 MB. Max. memory is 16.0 GB. [2021-03-26 13:50:42,769 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.62 ms. Allocated memory is still 352.3 MB. Free memory was 333.3 MB in the beginning and 333.2 MB in the end (delta: 134.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 13:50:42,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.56 ms. Allocated memory is still 352.3 MB. Free memory was 332.2 MB in the beginning and 330.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 13:50:42,769 INFO L168 Benchmark]: Boogie Preprocessor took 15.06 ms. Allocated memory is still 352.3 MB. Free memory was 330.7 MB in the beginning and 329.8 MB in the end (delta: 932.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 13:50:42,769 INFO L168 Benchmark]: RCFGBuilder took 235.24 ms. Allocated memory is still 352.3 MB. Free memory was 329.8 MB in the beginning and 319.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-03-26 13:50:42,769 INFO L168 Benchmark]: TraceAbstraction took 842739.77 ms. Allocated memory was 352.3 MB in the beginning and 3.2 GB in the end (delta: 2.8 GB). Free memory was 319.0 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 859.6 MB. Max. memory is 16.0 GB. [2021-03-26 13:50:42,769 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 0.62 ms. Allocated memory is still 352.3 MB. Free memory was 333.3 MB in the beginning and 333.2 MB in the end (delta: 134.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 28.56 ms. Allocated memory is still 352.3 MB. Free memory was 332.2 MB in the beginning and 330.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.06 ms. Allocated memory is still 352.3 MB. Free memory was 330.7 MB in the beginning and 329.8 MB in the end (delta: 932.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 235.24 ms. Allocated memory is still 352.3 MB. Free memory was 329.8 MB in the beginning and 319.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 842739.77 ms. Allocated memory was 352.3 MB in the beginning and 3.2 GB in the end (delta: 2.8 GB). Free memory was 319.0 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 859.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 111.6ms, 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: 12.7ms, 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: 9.5ms, 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: 7.3ms, 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: 4.9ms, 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: 11.8ms, 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: 20.4ms, 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: 33.1ms, 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: 67.1ms, 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: 88.3ms, 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: 115.9ms, 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: 142.5ms, 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: 166.4ms, 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: 174.3ms, 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: 203.9ms, 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: 214.1ms, 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: 181.8ms, 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: 155.9ms, 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: 285.2ms, 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: 307.0ms, 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: 322.3ms, 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: 297.6ms, 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: 328.8ms, 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: 327.7ms, 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: 445.6ms, 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: 375.3ms, 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: 407.1ms, 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: 414.7ms, 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: 458.7ms, 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: 431.3ms, 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: 430.9ms, 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: 439.7ms, 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: 398.9ms, 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: 450.0ms, 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: 392.7ms, 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: 402.3ms, 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: 425.0ms, 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: 496.9ms, 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: 435.6ms, 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: 442.4ms, 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: 432.6ms, 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: 364.2ms, 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: 381.6ms, 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: 401.0ms, 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: 433.1ms, 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: 389.0ms, 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: 408.0ms, 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: 406.2ms, 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: 407.9ms, 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: 372.1ms, 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: 436.9ms, 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: 471.5ms, 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: 462.3ms, 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: 481.3ms, 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: 507.5ms, 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: 470.3ms, 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: 493.2ms, 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: 466.1ms, 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: 465.4ms, 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: 435.2ms, 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: 445.7ms, 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: 485.4ms, 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: 460.7ms, 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: 446.5ms, 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: 481.3ms, 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: 516.8ms, 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: 492.0ms, 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: 495.9ms, 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: 519.2ms, 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: 622.7ms, 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: 479.7ms, 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: 482.9ms, 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: 490.3ms, 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: 507.2ms, 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: 489.6ms, 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: 511.4ms, 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: 466.5ms, 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: 470.8ms, 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: 468.9ms, 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: 462.6ms, 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: 480.5ms, 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: 454.2ms, 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: 503.6ms, 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: 660.8ms, 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: 506.9ms, 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: 522.6ms, 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: 558.9ms, 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: 523.9ms, 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: 522.3ms, 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: 533.8ms, 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: 548.9ms, 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: 505.1ms, 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: 525.2ms, 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: 508.4ms, 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: 496.4ms, 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: 506.3ms, 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: 519.8ms, 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: 493.9ms, 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: 489.1ms, 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: 494.5ms, 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: 496.4ms, 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: 519.2ms, 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: 474.0ms, 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: 446.4ms, 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: 539.9ms, 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: 481.3ms, 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: 473.6ms, 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: 499.4ms, 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: 449.7ms, 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: 463.6ms, 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: 476.4ms, 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: 451.8ms, 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: 503.2ms, 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: 449.4ms, 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: 466.4ms, 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: 463.1ms, 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: 463.7ms, 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: 464.6ms, 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: 470.6ms, 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: 455.0ms, 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: 516.6ms, 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: 520.8ms, 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: 458.7ms, 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: 452.9ms, 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: 442.7ms, 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: 459.9ms, 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: 502.9ms, 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: 457.4ms, 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: 464.7ms, 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: 440.8ms, 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: 472.6ms, 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: 417.1ms, 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: 442.0ms, 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: 481.9ms, 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: 551.5ms, 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: 579.6ms, 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: 659.3ms, 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: 595.6ms, 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: 633.5ms, 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: 799.2ms, 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: 688.1ms, 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: 682.3ms, 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: 776.9ms, 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: 850.9ms, 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: 785.6ms, 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: 832.5ms, 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: 883.0ms, 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: 805.3ms, 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: 949.8ms, 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: 832.7ms, 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: 837.0ms, 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: 851.5ms, 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: 947.1ms, 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: 977.7ms, 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: 826.5ms, 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: 901.8ms, 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: 849.4ms, 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: 879.0ms, 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: 880.4ms, 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: 895.7ms, 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: 891.6ms, 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: 854.4ms, 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: 989.9ms, 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: 989.5ms, 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: 895.1ms, 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: 835.6ms, 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: 709.9ms, 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: 743.8ms, 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: 853.4ms, 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: 865.7ms, 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: 913.8ms, 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: 950.4ms, 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: 1130.0ms, 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: 1008.2ms, 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: 960.1ms, 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: 978.7ms, 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: 986.7ms, 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: 957.0ms, 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: 968.8ms, 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: 977.5ms, 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: 1034.9ms, 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: 925.6ms, 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: 1011.1ms, 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: 896.9ms, 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: 1079.2ms, 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: 1115.1ms, 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: 1181.1ms, 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: 1224.6ms, 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: 1224.9ms, 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: 1216.6ms, 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: 1263.3ms, 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: 1219.5ms, 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: 1235.5ms, 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: 1310.2ms, 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: 1249.8ms, 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: 1223.4ms, 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: 1347.9ms, 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: 1333.0ms, 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: 1226.4ms, 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: 1244.1ms, 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: 1167.5ms, 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: 1230.4ms, 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: 1176.6ms, 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: 1252.8ms, 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: 1323.3ms, 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: 1215.8ms, 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: 1298.1ms, 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: 1278.7ms, 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: 1270.7ms, 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: 1231.6ms, 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: 1277.9ms, 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: 1249.6ms, 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: 1271.1ms, 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: 1293.5ms, 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: 1235.7ms, 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: 1370.7ms, 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: 1297.4ms, 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: 1266.8ms, 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: 1217.3ms, 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: 1215.8ms, 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: 1231.4ms, 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: 1227.6ms, 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: 1243.2ms, 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: 1275.0ms, 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: 1256.0ms, 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: 1246.4ms, 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: 1245.3ms, 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: 1253.5ms, 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: 1265.1ms, 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: 1241.2ms, 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: 1322.0ms, 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: 1211.7ms, 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: 1202.6ms, 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: 1260.5ms, 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: 1223.3ms, 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: 1222.1ms, 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: 1235.1ms, 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: 1223.8ms, 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: 1143.1ms, 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: 1121.7ms, 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: 1163.6ms, 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: 1274.4ms, 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: 1114.7ms, 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: 1279.9ms, 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: 1132.0ms, 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: 1142.3ms, 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: 1136.0ms, 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: 1139.7ms, 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: 1174.7ms, 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: 1294.4ms, 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: 1311.1ms, 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: 1189.3ms, 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: 1126.8ms, 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: 1076.0ms, 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: 1020.7ms, 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: 1186.5ms, 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: 1258.1ms, 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 - TimeoutResultAtElement [Line: 25]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 25). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (8states, 55/69 universal loopers) in iteration 258,while PetriNetUnfolder was constructing finite prefix that currently has 25347 conditions, 1129 events (114/1128 cut-off events. For 271078/271254 co-relation queries the response was YES. Maximal size of possible extension queue 670. Compared 17874 event pairs, 4 based on Foata normal form. 16/1694 useless extension candidates. Maximal degree in co-relation 25143. Up to 359 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 23.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 842529.6ms, OverallIterations: 258, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 627210.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 225.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4684 SDtfs, 6407 SDslu, 4064 SDs, 0 SdLazy, 8002 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5551.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2044 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 1782 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016 ImplicationChecksByTransitivity, 27875.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=48548occurred in iteration=257, InterpolantAutomatonStates: 2036, 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: 72.5ms SsaConstructionTime, 206.3ms SatisfiabilityAnalysisTime, 25004.8ms InterpolantComputationTime, 4902 NumberOfCodeBlocks, 4902 NumberOfCodeBlocksAsserted, 258 NumberOfCheckSat, 4644 ConstructedInterpolants, 0 QuantifiedInterpolants, 108867 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 258 InterpolantComputations, 258 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