/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_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 13:38:47,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 13:38:47,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 13:38:47,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 13:38:47,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 13:38:47,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 13:38:47,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 13:38:47,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 13:38:47,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 13:38:47,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 13:38:47,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 13:38:47,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 13:38:47,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 13:38:47,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 13:38:47,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 13:38:47,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 13:38:47,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 13:38:47,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 13:38:47,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 13:38:47,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 13:38:47,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 13:38:47,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 13:38:47,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 13:38:47,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 13:38:47,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 13:38:47,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 13:38:47,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 13:38:47,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 13:38:47,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 13:38:47,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 13:38:47,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 13:38:47,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 13:38:47,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 13:38:47,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 13:38:47,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 13:38:47,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 13:38:47,999 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 13:38:48,036 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 13:38:48,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 13:38:48,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 13:38:48,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 13:38:48,039 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 13:38:48,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 13:38:48,040 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 13:38:48,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 13:38:48,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 13:38:48,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 13:38:48,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 13:38:48,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 13:38:48,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 13:38:48,041 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 13:38:48,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 13:38:48,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 13:38:48,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 13:38:48,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 13:38:48,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 13:38:48,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 13:38:48,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 13:38:48,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 13:38:48,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 13:38:48,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 13:38:48,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 13:38:48,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 13:38:48,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 13:38:48,043 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 13:38:48,044 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 13:38:48,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 13:38:48,044 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 13:38:48,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 13:38:48,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 13:38:48,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 13:38:48,338 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 13:38:48,339 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 13:38:48,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_9.bpl [2021-03-26 13:38:48,341 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_9.bpl' [2021-03-26 13:38:48,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 13:38:48,378 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 13:38:48,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 13:38:48,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 13:38:48,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 13:38:48,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:38:48" (1/1) ... [2021-03-26 13:38:48,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:38:48" (1/1) ... [2021-03-26 13:38:48,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 13:38:48,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 13:38:48,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 13:38:48,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 13:38:48,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:38:48" (1/1) ... [2021-03-26 13:38:48,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:38:48" (1/1) ... [2021-03-26 13:38:48,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:38:48" (1/1) ... [2021-03-26 13:38:48,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:38:48" (1/1) ... [2021-03-26 13:38:48,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:38:48" (1/1) ... [2021-03-26 13:38:48,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:38:48" (1/1) ... [2021-03-26 13:38:48,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:38:48" (1/1) ... [2021-03-26 13:38:48,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 13:38:48,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 13:38:48,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 13:38:48,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 13:38:48,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:38:48" (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 13:38:48,472 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-26 13:38:48,472 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-26 13:38:48,472 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-26 13:38:48,472 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-26 13:38:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-26 13:38:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-26 13:38:48,473 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-26 13:38:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-26 13:38:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-26 13:38:48,473 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-26 13:38:48,473 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-26 13:38:48,473 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-26 13:38:48,474 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-26 13:38:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-26 13:38:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-26 13:38:48,474 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 13:38:48,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 13:38:48,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 13:38:48,475 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-03-26 13:38:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-03-26 13:38:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-03-26 13:38:48,475 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-03-26 13:38:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-03-26 13:38:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-03-26 13:38:48,475 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2021-03-26 13:38:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2021-03-26 13:38:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2021-03-26 13:38:48,476 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2021-03-26 13:38:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2021-03-26 13:38:48,476 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2021-03-26 13:38:48,477 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 13:38:48,612 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 13:38:48,612 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 13:38:48,613 INFO L202 PluginConnector]: Adding new model example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:38:48 BoogieIcfgContainer [2021-03-26 13:38:48,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 13:38:48,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 13:38:48,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 13:38:48,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 13:38:48,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:38:48" (1/2) ... [2021-03-26 13:38:48,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372699a0 and model type example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 01:38:48, skipping insertion in model container [2021-03-26 13:38:48,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:38:48" (2/2) ... [2021-03-26 13:38:48,619 INFO L111 eAbstractionObserver]: Analyzing ICFG example_9.bpl [2021-03-26 13:38:48,624 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 13:38:48,626 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 13:38:48,627 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 13:38:48,787 INFO L149 ThreadInstanceAdder]: Constructed 81 joinOtherThreadTransitions. [2021-03-26 13:38:48,799 INFO L253 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-03-26 13:38:48,816 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 13:38:48,816 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 13:38:48,816 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 13:38:48,816 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 13:38:48,816 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 13:38:48,816 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 13:38:48,816 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 13:38:48,817 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 13:38:48,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 120 transitions, 528 flow [2021-03-26 13:38:49,138 INFO L129 PetriNetUnfolder]: 1793/2334 cut-off events. [2021-03-26 13:38:49,138 INFO L130 PetriNetUnfolder]: For 2304/2304 co-relation queries the response was YES. [2021-03-26 13:38:49,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4666 conditions, 2334 events. 1793/2334 cut-off events. For 2304/2304 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 8920 event pairs, 0 based on Foata normal form. 0/2333 useless extension candidates. Maximal degree in co-relation 2090. Up to 630 conditions per place. [2021-03-26 13:38:49,153 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 120 transitions, 528 flow [2021-03-26 13:38:49,182 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 109 transitions, 488 flow [2021-03-26 13:38:49,183 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:49,198 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 109 transitions, 488 flow [2021-03-26 13:38:49,203 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 109 transitions, 488 flow [2021-03-26 13:38:49,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 109 transitions, 488 flow [2021-03-26 13:38:49,398 INFO L129 PetriNetUnfolder]: 1793/2332 cut-off events. [2021-03-26 13:38:49,398 INFO L130 PetriNetUnfolder]: For 2304/2304 co-relation queries the response was YES. [2021-03-26 13:38:49,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4664 conditions, 2332 events. 1793/2332 cut-off events. For 2304/2304 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 8412 event pairs, 0 based on Foata normal form. 0/2332 useless extension candidates. Maximal degree in co-relation 2090. Up to 630 conditions per place. [2021-03-26 13:38:49,453 INFO L142 LiptonReduction]: Number of co-enabled transitions 2736 [2021-03-26 13:38:49,639 INFO L154 LiptonReduction]: Checked pairs total: 756 [2021-03-26 13:38:49,640 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-26 13:38:49,642 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 460 [2021-03-26 13:38:49,802 INFO L129 PetriNetUnfolder]: 1793/2322 cut-off events. [2021-03-26 13:38:49,802 INFO L130 PetriNetUnfolder]: For 2304/2304 co-relation queries the response was YES. [2021-03-26 13:38:49,802 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:49,803 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:49,803 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:49,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:49,809 INFO L82 PathProgramCache]: Analyzing trace with hash -368766337, now seen corresponding path program 1 times [2021-03-26 13:38:49,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:49,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123959072] [2021-03-26 13:38:49,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:49,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:49,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:49,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:49,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:38:49,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:49,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:49,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:49,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123959072] [2021-03-26 13:38:49,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:49,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:38:49,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246685154] [2021-03-26 13:38:49,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:38:49,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:50,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:38:50,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:38:50,011 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 13:38:50,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 100 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:50,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 13:38:50,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:50,165 INFO L129 PetriNetUnfolder]: 1001/1368 cut-off events. [2021-03-26 13:38:50,165 INFO L130 PetriNetUnfolder]: For 2025/2025 co-relation queries the response was YES. [2021-03-26 13:38:50,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2840 conditions, 1368 events. 1001/1368 cut-off events. For 2025/2025 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5714 event pairs, 0 based on Foata normal form. 163/1531 useless extension candidates. Maximal degree in co-relation 2066. Up to 280 conditions per place. [2021-03-26 13:38:50,177 INFO L132 encePairwiseOnDemand]: 123/129 looper letters, 4 selfloop transitions, 1 changer transitions 0/95 dead transitions. [2021-03-26 13:38:50,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 95 transitions, 455 flow [2021-03-26 13:38:50,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:38:50,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:38:50,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 13:38:50,194 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9483204134366925 [2021-03-26 13:38:50,194 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 13:38:50,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 13:38:50,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:50,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 13:38:50,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,213 INFO L185 Difference]: Start difference. First operand has 56 places, 100 transitions, 470 flow. Second operand 3 states and 367 transitions. [2021-03-26 13:38:50,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 95 transitions, 455 flow [2021-03-26 13:38:50,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 95 transitions, 285 flow, removed 0 selfloop flow, removed 18 redundant places. [2021-03-26 13:38:50,236 INFO L241 Difference]: Finished difference. Result has 40 places, 95 transitions, 277 flow [2021-03-26 13:38:50,237 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=277, PETRI_PLACES=40, PETRI_TRANSITIONS=95} [2021-03-26 13:38:50,238 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -16 predicate places. [2021-03-26 13:38:50,238 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:50,239 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 95 transitions, 277 flow [2021-03-26 13:38:50,240 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 95 transitions, 277 flow [2021-03-26 13:38:50,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 95 transitions, 277 flow [2021-03-26 13:38:50,312 INFO L129 PetriNetUnfolder]: 1001/1368 cut-off events. [2021-03-26 13:38:50,313 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:38:50,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1380 conditions, 1368 events. 1001/1368 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5238 event pairs, 0 based on Foata normal form. 0/1368 useless extension candidates. Maximal degree in co-relation 1365. Up to 280 conditions per place. [2021-03-26 13:38:50,323 INFO L142 LiptonReduction]: Number of co-enabled transitions 1216 [2021-03-26 13:38:50,336 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:50,336 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:50,337 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 99 [2021-03-26 13:38:50,339 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 95 transitions, 277 flow [2021-03-26 13:38:50,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:50,339 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:50,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 13:38:50,340 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:50,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:50,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1267996449, now seen corresponding path program 1 times [2021-03-26 13:38:50,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:50,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000942497] [2021-03-26 13:38:50,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:50,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:50,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:50,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:50,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:38:50,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:50,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:50,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000942497] [2021-03-26 13:38:50,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:50,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:38:50,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663507825] [2021-03-26 13:38:50,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:38:50,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:50,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:38:50,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:38:50,405 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 13:38:50,405 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 95 transitions, 277 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,406 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:50,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 13:38:50,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:50,499 INFO L129 PetriNetUnfolder]: 994/1360 cut-off events. [2021-03-26 13:38:50,500 INFO L130 PetriNetUnfolder]: For 157/157 co-relation queries the response was YES. [2021-03-26 13:38:50,502 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1530 conditions, 1360 events. 994/1360 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6102 event pairs, 0 based on Foata normal form. 1/1361 useless extension candidates. Maximal degree in co-relation 1513. Up to 280 conditions per place. [2021-03-26 13:38:50,509 INFO L132 encePairwiseOnDemand]: 127/129 looper letters, 8 selfloop transitions, 1 changer transitions 0/94 dead transitions. [2021-03-26 13:38:50,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 94 transitions, 292 flow [2021-03-26 13:38:50,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:38:50,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:38:50,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 13:38:50,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9483204134366925 [2021-03-26 13:38:50,512 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 13:38:50,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 13:38:50,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:50,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 13:38:50,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,516 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,516 INFO L185 Difference]: Start difference. First operand has 40 places, 95 transitions, 277 flow. Second operand 3 states and 367 transitions. [2021-03-26 13:38:50,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 94 transitions, 292 flow [2021-03-26 13:38:50,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 94 transitions, 291 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:38:50,520 INFO L241 Difference]: Finished difference. Result has 41 places, 94 transitions, 275 flow [2021-03-26 13:38:50,520 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=275, PETRI_PLACES=41, PETRI_TRANSITIONS=94} [2021-03-26 13:38:50,521 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -15 predicate places. [2021-03-26 13:38:50,521 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:50,521 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 94 transitions, 275 flow [2021-03-26 13:38:50,522 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 94 transitions, 275 flow [2021-03-26 13:38:50,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 94 transitions, 275 flow [2021-03-26 13:38:50,585 INFO L129 PetriNetUnfolder]: 994/1360 cut-off events. [2021-03-26 13:38:50,586 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:38:50,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1373 conditions, 1360 events. 994/1360 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5156 event pairs, 0 based on Foata normal form. 0/1360 useless extension candidates. Maximal degree in co-relation 1366. Up to 280 conditions per place. [2021-03-26 13:38:50,598 INFO L142 LiptonReduction]: Number of co-enabled transitions 1200 [2021-03-26 13:38:50,611 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:50,612 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:50,612 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 91 [2021-03-26 13:38:50,614 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 94 transitions, 275 flow [2021-03-26 13:38:50,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,614 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:50,615 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:50,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 13:38:50,615 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:50,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:50,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1076204707, now seen corresponding path program 1 times [2021-03-26 13:38:50,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:50,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288410407] [2021-03-26 13:38:50,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:50,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:50,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:50,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:50,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:38:50,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:50,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:50,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288410407] [2021-03-26 13:38:50,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:50,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:38:50,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007027781] [2021-03-26 13:38:50,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:38:50,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:50,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:38:50,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:38:50,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 13:38:50,675 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 94 transitions, 275 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:50,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 13:38:50,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:50,778 INFO L129 PetriNetUnfolder]: 946/1304 cut-off events. [2021-03-26 13:38:50,779 INFO L130 PetriNetUnfolder]: For 156/156 co-relation queries the response was YES. [2021-03-26 13:38:50,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1468 conditions, 1304 events. 946/1304 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5805 event pairs, 0 based on Foata normal form. 7/1311 useless extension candidates. Maximal degree in co-relation 1460. Up to 280 conditions per place. [2021-03-26 13:38:50,787 INFO L132 encePairwiseOnDemand]: 126/129 looper letters, 7 selfloop transitions, 1 changer transitions 0/92 dead transitions. [2021-03-26 13:38:50,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 92 transitions, 285 flow [2021-03-26 13:38:50,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:38:50,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:38:50,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 13:38:50,795 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9483204134366925 [2021-03-26 13:38:50,795 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 13:38:50,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 13:38:50,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:50,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 13:38:50,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,797 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,798 INFO L185 Difference]: Start difference. First operand has 41 places, 94 transitions, 275 flow. Second operand 3 states and 367 transitions. [2021-03-26 13:38:50,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 92 transitions, 285 flow [2021-03-26 13:38:50,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 92 transitions, 284 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:38:50,802 INFO L241 Difference]: Finished difference. Result has 42 places, 92 transitions, 270 flow [2021-03-26 13:38:50,803 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=42, PETRI_TRANSITIONS=92} [2021-03-26 13:38:50,803 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -14 predicate places. [2021-03-26 13:38:50,803 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:50,803 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 92 transitions, 270 flow [2021-03-26 13:38:50,804 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 92 transitions, 270 flow [2021-03-26 13:38:50,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 92 transitions, 270 flow [2021-03-26 13:38:50,869 INFO L129 PetriNetUnfolder]: 946/1304 cut-off events. [2021-03-26 13:38:50,869 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:38:50,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1318 conditions, 1304 events. 946/1304 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5000 event pairs, 0 based on Foata normal form. 0/1304 useless extension candidates. Maximal degree in co-relation 1311. Up to 280 conditions per place. [2021-03-26 13:38:50,878 INFO L142 LiptonReduction]: Number of co-enabled transitions 1168 [2021-03-26 13:38:50,890 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:50,890 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:50,891 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-03-26 13:38:50,892 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 92 transitions, 270 flow [2021-03-26 13:38:50,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,892 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:50,892 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:50,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 13:38:50,892 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:50,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:50,893 INFO L82 PathProgramCache]: Analyzing trace with hash 323209673, now seen corresponding path program 1 times [2021-03-26 13:38:50,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:50,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237965135] [2021-03-26 13:38:50,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:50,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:50,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:50,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:50,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:38:50,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:50,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:50,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237965135] [2021-03-26 13:38:50,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:50,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:38:50,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942866604] [2021-03-26 13:38:50,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:38:50,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:50,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:38:50,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:38:50,932 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 13:38:50,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 92 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:50,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 13:38:50,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:50,974 INFO L129 PetriNetUnfolder]: 393/597 cut-off events. [2021-03-26 13:38:50,975 INFO L130 PetriNetUnfolder]: For 149/149 co-relation queries the response was YES. [2021-03-26 13:38:50,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 597 events. 393/597 cut-off events. For 149/149 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2501 event pairs, 0 based on Foata normal form. 112/709 useless extension candidates. Maximal degree in co-relation 642. Up to 140 conditions per place. [2021-03-26 13:38:50,979 INFO L132 encePairwiseOnDemand]: 122/129 looper letters, 3 selfloop transitions, 1 changer transitions 0/86 dead transitions. [2021-03-26 13:38:50,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 260 flow [2021-03-26 13:38:50,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:38:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:38:50,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 13:38:50,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9483204134366925 [2021-03-26 13:38:50,980 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 13:38:50,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 13:38:50,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:50,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 13:38:50,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,983 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:50,983 INFO L185 Difference]: Start difference. First operand has 42 places, 92 transitions, 270 flow. Second operand 3 states and 367 transitions. [2021-03-26 13:38:50,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 260 flow [2021-03-26 13:38:50,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 86 transitions, 259 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:38:50,985 INFO L241 Difference]: Finished difference. Result has 43 places, 86 transitions, 253 flow [2021-03-26 13:38:50,985 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=43, PETRI_TRANSITIONS=86} [2021-03-26 13:38:50,985 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -13 predicate places. [2021-03-26 13:38:50,985 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:50,985 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 86 transitions, 253 flow [2021-03-26 13:38:50,986 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 86 transitions, 253 flow [2021-03-26 13:38:50,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 86 transitions, 253 flow [2021-03-26 13:38:51,011 INFO L129 PetriNetUnfolder]: 393/597 cut-off events. [2021-03-26 13:38:51,011 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:38:51,012 INFO L84 FinitePrefix]: Finished finitePrefix Result has 612 conditions, 597 events. 393/597 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2115 event pairs, 0 based on Foata normal form. 0/597 useless extension candidates. Maximal degree in co-relation 605. Up to 140 conditions per place. [2021-03-26 13:38:51,015 INFO L142 LiptonReduction]: Number of co-enabled transitions 1072 [2021-03-26 13:38:51,026 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:51,026 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:51,027 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-03-26 13:38:51,029 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 86 transitions, 253 flow [2021-03-26 13:38:51,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,030 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:51,030 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:51,030 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 13:38:51,030 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:51,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:51,030 INFO L82 PathProgramCache]: Analyzing trace with hash 878838051, now seen corresponding path program 1 times [2021-03-26 13:38:51,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:51,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603652568] [2021-03-26 13:38:51,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:51,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:51,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:38:51,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:51,062 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 13:38:51,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603652568] [2021-03-26 13:38:51,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:51,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:38:51,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880766331] [2021-03-26 13:38:51,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:38:51,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:51,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:38:51,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:38:51,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 13:38:51,066 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 86 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,066 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:51,066 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 13:38:51,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:51,105 INFO L129 PetriNetUnfolder]: 309/492 cut-off events. [2021-03-26 13:38:51,105 INFO L130 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2021-03-26 13:38:51,107 INFO L84 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 492 events. 309/492 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2021 event pairs, 0 based on Foata normal form. 15/507 useless extension candidates. Maximal degree in co-relation 558. Up to 105 conditions per place. [2021-03-26 13:38:51,109 INFO L132 encePairwiseOnDemand]: 125/129 looper letters, 6 selfloop transitions, 1 changer transitions 0/83 dead transitions. [2021-03-26 13:38:51,109 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 83 transitions, 258 flow [2021-03-26 13:38:51,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:38:51,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:38:51,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 13:38:51,110 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9483204134366925 [2021-03-26 13:38:51,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 13:38:51,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 13:38:51,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:51,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 13:38:51,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,113 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,113 INFO L185 Difference]: Start difference. First operand has 43 places, 86 transitions, 253 flow. Second operand 3 states and 367 transitions. [2021-03-26 13:38:51,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 83 transitions, 258 flow [2021-03-26 13:38:51,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 83 transitions, 257 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:38:51,117 INFO L241 Difference]: Finished difference. Result has 44 places, 83 transitions, 245 flow [2021-03-26 13:38:51,117 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=245, PETRI_PLACES=44, PETRI_TRANSITIONS=83} [2021-03-26 13:38:51,118 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -12 predicate places. [2021-03-26 13:38:51,118 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:51,118 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 83 transitions, 245 flow [2021-03-26 13:38:51,118 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 83 transitions, 245 flow [2021-03-26 13:38:51,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 83 transitions, 245 flow [2021-03-26 13:38:51,146 INFO L129 PetriNetUnfolder]: 309/492 cut-off events. [2021-03-26 13:38:51,146 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:38:51,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 492 events. 309/492 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1776 event pairs, 0 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 501. Up to 105 conditions per place. [2021-03-26 13:38:51,150 INFO L142 LiptonReduction]: Number of co-enabled transitions 1024 [2021-03-26 13:38:51,167 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:51,167 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:51,168 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-26 13:38:51,169 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 83 transitions, 245 flow [2021-03-26 13:38:51,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,169 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:51,170 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:51,170 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 13:38:51,170 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:51,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:51,170 INFO L82 PathProgramCache]: Analyzing trace with hash -296795403, now seen corresponding path program 1 times [2021-03-26 13:38:51,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:51,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773033648] [2021-03-26 13:38:51,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:51,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:51,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:38:51,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:51,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:51,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773033648] [2021-03-26 13:38:51,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:51,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:38:51,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523391659] [2021-03-26 13:38:51,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:38:51,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:51,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:38:51,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:38:51,204 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 13:38:51,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 83 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,205 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:51,205 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 13:38:51,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:51,227 INFO L129 PetriNetUnfolder]: 76/160 cut-off events. [2021-03-26 13:38:51,227 INFO L130 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2021-03-26 13:38:51,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 160 events. 76/160 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 486 event pairs, 0 based on Foata normal form. 48/208 useless extension candidates. Maximal degree in co-relation 179. Up to 30 conditions per place. [2021-03-26 13:38:51,228 INFO L132 encePairwiseOnDemand]: 121/129 looper letters, 2 selfloop transitions, 1 changer transitions 0/76 dead transitions. [2021-03-26 13:38:51,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 76 transitions, 230 flow [2021-03-26 13:38:51,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:38:51,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:38:51,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 13:38:51,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9483204134366925 [2021-03-26 13:38:51,229 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 13:38:51,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 13:38:51,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:51,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 13:38:51,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,232 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,232 INFO L185 Difference]: Start difference. First operand has 44 places, 83 transitions, 245 flow. Second operand 3 states and 367 transitions. [2021-03-26 13:38:51,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 76 transitions, 230 flow [2021-03-26 13:38:51,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 76 transitions, 229 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:38:51,235 INFO L241 Difference]: Finished difference. Result has 45 places, 76 transitions, 225 flow [2021-03-26 13:38:51,235 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=45, PETRI_TRANSITIONS=76} [2021-03-26 13:38:51,235 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -11 predicate places. [2021-03-26 13:38:51,235 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:51,236 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 76 transitions, 225 flow [2021-03-26 13:38:51,236 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 76 transitions, 225 flow [2021-03-26 13:38:51,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 76 transitions, 225 flow [2021-03-26 13:38:51,244 INFO L129 PetriNetUnfolder]: 76/160 cut-off events. [2021-03-26 13:38:51,244 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:38:51,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 160 events. 76/160 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 450 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 170. Up to 30 conditions per place. [2021-03-26 13:38:51,245 INFO L142 LiptonReduction]: Number of co-enabled transitions 656 [2021-03-26 13:38:51,248 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:51,248 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:51,248 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-26 13:38:51,250 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 76 transitions, 225 flow [2021-03-26 13:38:51,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,251 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:51,251 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:51,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 13:38:51,251 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:51,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:51,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1151034427, now seen corresponding path program 1 times [2021-03-26 13:38:51,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:51,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834908063] [2021-03-26 13:38:51,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:51,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:51,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:38:51,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:51,283 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 13:38:51,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834908063] [2021-03-26 13:38:51,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:51,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:38:51,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469555134] [2021-03-26 13:38:51,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:38:51,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:51,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:38:51,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:38:51,285 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 13:38:51,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 76 transitions, 225 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,286 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:51,286 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 13:38:51,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:51,299 INFO L129 PetriNetUnfolder]: 10/48 cut-off events. [2021-03-26 13:38:51,299 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-03-26 13:38:51,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 48 events. 10/48 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 64 event pairs, 0 based on Foata normal form. 18/66 useless extension candidates. Maximal degree in co-relation 60. Up to 8 conditions per place. [2021-03-26 13:38:51,299 INFO L132 encePairwiseOnDemand]: 120/129 looper letters, 1 selfloop transitions, 1 changer transitions 0/42 dead transitions. [2021-03-26 13:38:51,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 42 transitions, 127 flow [2021-03-26 13:38:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:38:51,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:38:51,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 13:38:51,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9483204134366925 [2021-03-26 13:38:51,301 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 13:38:51,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 13:38:51,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:51,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 13:38:51,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,304 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,304 INFO L185 Difference]: Start difference. First operand has 45 places, 76 transitions, 225 flow. Second operand 3 states and 367 transitions. [2021-03-26 13:38:51,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 42 transitions, 127 flow [2021-03-26 13:38:51,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 42 transitions, 126 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:38:51,305 INFO L241 Difference]: Finished difference. Result has 46 places, 42 transitions, 124 flow [2021-03-26 13:38:51,305 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=124, PETRI_PLACES=46, PETRI_TRANSITIONS=42} [2021-03-26 13:38:51,305 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -10 predicate places. [2021-03-26 13:38:51,305 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:51,306 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 42 transitions, 124 flow [2021-03-26 13:38:51,306 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 42 transitions, 124 flow [2021-03-26 13:38:51,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 124 flow [2021-03-26 13:38:51,309 INFO L129 PetriNetUnfolder]: 10/48 cut-off events. [2021-03-26 13:38:51,309 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:38:51,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 48 events. 10/48 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. 0/48 useless extension candidates. Maximal degree in co-relation 59. Up to 8 conditions per place. [2021-03-26 13:38:51,310 INFO L142 LiptonReduction]: Number of co-enabled transitions 380 [2021-03-26 13:38:51,311 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:51,311 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:51,312 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-26 13:38:51,315 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 124 flow [2021-03-26 13:38:51,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,315 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:51,315 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:51,315 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 13:38:51,316 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:51,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:51,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1781566773, now seen corresponding path program 1 times [2021-03-26 13:38:51,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:51,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787761421] [2021-03-26 13:38:51,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:51,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:51,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:51,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:51,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:51,469 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:51,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:51,511 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:38:51,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:38:51,567 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size [2021-03-26 13:38:51,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:38:51,622 INFO L142 QuantifierPusher]: treesize reduction 18, result has 72.3 percent of original size [2021-03-26 13:38:51,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:38:51,683 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.3 percent of original size [2021-03-26 13:38:51,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:38:51,756 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:38:51,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:38:51,816 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:38:51,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:38:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:51,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787761421] [2021-03-26 13:38:51,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:51,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:38:51,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869207402] [2021-03-26 13:38:51,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:38:51,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:51,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:38:51,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:38:51,868 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:38:51,869 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 124 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:51,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:51,869 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:38:51,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:52,265 INFO L129 PetriNetUnfolder]: 2489/3679 cut-off events. [2021-03-26 13:38:52,266 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:38:52,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6779 conditions, 3679 events. 2489/3679 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 19529 event pairs, 769 based on Foata normal form. 1/3495 useless extension candidates. Maximal degree in co-relation 6771. Up to 1153 conditions per place. [2021-03-26 13:38:52,298 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 44 selfloop transitions, 8 changer transitions 1/85 dead transitions. [2021-03-26 13:38:52,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 85 transitions, 316 flow [2021-03-26 13:38:52,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:38:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:38:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:38:52,302 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:38:52,302 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:38:52,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:38:52,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:52,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:38:52,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:52,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:52,309 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:52,309 INFO L185 Difference]: Start difference. First operand has 46 places, 42 transitions, 124 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:38:52,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 85 transitions, 316 flow [2021-03-26 13:38:52,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 85 transitions, 315 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:38:52,312 INFO L241 Difference]: Finished difference. Result has 64 places, 49 transitions, 186 flow [2021-03-26 13:38:52,312 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=186, PETRI_PLACES=64, PETRI_TRANSITIONS=49} [2021-03-26 13:38:52,312 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 8 predicate places. [2021-03-26 13:38:52,313 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:52,313 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 49 transitions, 186 flow [2021-03-26 13:38:52,313 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 49 transitions, 186 flow [2021-03-26 13:38:52,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 49 transitions, 186 flow [2021-03-26 13:38:52,326 INFO L129 PetriNetUnfolder]: 63/219 cut-off events. [2021-03-26 13:38:52,326 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 13:38:52,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 219 events. 63/219 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1054 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 276. Up to 51 conditions per place. [2021-03-26 13:38:52,328 INFO L142 LiptonReduction]: Number of co-enabled transitions 570 [2021-03-26 13:38:52,330 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:52,330 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:52,330 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 13:38:52,331 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 49 transitions, 186 flow [2021-03-26 13:38:52,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:52,331 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:52,331 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:52,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 13:38:52,332 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:52,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:52,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1214353307, now seen corresponding path program 2 times [2021-03-26 13:38:52,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:52,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547800567] [2021-03-26 13:38:52,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:52,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:52,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:52,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:52,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:52,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:52,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:52,410 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:38:52,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:38:52,428 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:52,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:52,449 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:52,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:52,488 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:38:52,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:38:52,525 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 13:38:52,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:38:52,566 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 13:38:52,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:38:52,629 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:38:52,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:38:52,683 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 13:38:52,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547800567] [2021-03-26 13:38:52,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:52,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:38:52,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196161229] [2021-03-26 13:38:52,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:38:52,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:52,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:38:52,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:38:52,688 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:38:52,689 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 49 transitions, 186 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:52,689 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:52,689 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:38:52,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:53,312 INFO L129 PetriNetUnfolder]: 3902/6999 cut-off events. [2021-03-26 13:38:53,312 INFO L130 PetriNetUnfolder]: For 5362/5416 co-relation queries the response was YES. [2021-03-26 13:38:53,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15574 conditions, 6999 events. 3902/6999 cut-off events. For 5362/5416 co-relation queries the response was YES. Maximal size of possible extension queue 502. Compared 55119 event pairs, 963 based on Foata normal form. 1/6764 useless extension candidates. Maximal degree in co-relation 15557. Up to 1551 conditions per place. [2021-03-26 13:38:53,390 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 68 selfloop transitions, 15 changer transitions 1/116 dead transitions. [2021-03-26 13:38:53,390 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 116 transitions, 678 flow [2021-03-26 13:38:53,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:38:53,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:38:53,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:38:53,393 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:38:53,393 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:38:53,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:38:53,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:53,394 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:38:53,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:53,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:53,399 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:53,399 INFO L185 Difference]: Start difference. First operand has 63 places, 49 transitions, 186 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:38:53,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 116 transitions, 678 flow [2021-03-26 13:38:53,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 116 transitions, 653 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-03-26 13:38:53,408 INFO L241 Difference]: Finished difference. Result has 80 places, 63 transitions, 340 flow [2021-03-26 13:38:53,408 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=340, PETRI_PLACES=80, PETRI_TRANSITIONS=63} [2021-03-26 13:38:53,408 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 24 predicate places. [2021-03-26 13:38:53,408 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:53,408 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 63 transitions, 340 flow [2021-03-26 13:38:53,409 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 63 transitions, 340 flow [2021-03-26 13:38:53,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 63 transitions, 340 flow [2021-03-26 13:38:53,455 INFO L129 PetriNetUnfolder]: 197/687 cut-off events. [2021-03-26 13:38:53,455 INFO L130 PetriNetUnfolder]: For 164/185 co-relation queries the response was YES. [2021-03-26 13:38:53,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 687 events. 197/687 cut-off events. For 164/185 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5254 event pairs, 0 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 904. Up to 163 conditions per place. [2021-03-26 13:38:53,462 INFO L142 LiptonReduction]: Number of co-enabled transitions 982 [2021-03-26 13:38:53,465 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:53,465 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:53,465 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57 [2021-03-26 13:38:53,465 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 63 transitions, 340 flow [2021-03-26 13:38:53,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:53,467 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:53,467 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:53,467 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 13:38:53,467 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:53,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:53,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1481638487, now seen corresponding path program 3 times [2021-03-26 13:38:53,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:53,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879354581] [2021-03-26 13:38:53,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:53,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:53,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:53,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:53,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:53,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:53,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:53,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:53,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:38:53,555 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:38:53,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:38:53,572 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:38:53,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:38:53,592 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:38:53,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:38:53,621 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-26 13:38:53,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:38:53,655 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:38:53,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:38:53,698 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:38:53,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:38:53,738 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 13:38:53,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879354581] [2021-03-26 13:38:53,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:53,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:38:53,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957105125] [2021-03-26 13:38:53,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:38:53,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:53,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:38:53,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:38:53,742 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:38:53,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 63 transitions, 340 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:53,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:53,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:38:53,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:54,455 INFO L129 PetriNetUnfolder]: 4028/7108 cut-off events. [2021-03-26 13:38:54,455 INFO L130 PetriNetUnfolder]: For 15658/16241 co-relation queries the response was YES. [2021-03-26 13:38:54,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21517 conditions, 7108 events. 4028/7108 cut-off events. For 15658/16241 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 53919 event pairs, 970 based on Foata normal form. 1/6852 useless extension candidates. Maximal degree in co-relation 21492. Up to 1968 conditions per place. [2021-03-26 13:38:54,550 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 72 selfloop transitions, 19 changer transitions 0/123 dead transitions. [2021-03-26 13:38:54,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 123 transitions, 910 flow [2021-03-26 13:38:54,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:38:54,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:38:54,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:38:54,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:38:54,553 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:38:54,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:38:54,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:54,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:38:54,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:54,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:54,559 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:54,559 INFO L185 Difference]: Start difference. First operand has 80 places, 63 transitions, 340 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:38:54,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 123 transitions, 910 flow [2021-03-26 13:38:54,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 123 transitions, 893 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-26 13:38:54,617 INFO L241 Difference]: Finished difference. Result has 98 places, 77 transitions, 533 flow [2021-03-26 13:38:54,618 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=533, PETRI_PLACES=98, PETRI_TRANSITIONS=77} [2021-03-26 13:38:54,618 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 42 predicate places. [2021-03-26 13:38:54,618 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:54,618 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 77 transitions, 533 flow [2021-03-26 13:38:54,618 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 77 transitions, 533 flow [2021-03-26 13:38:54,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 77 transitions, 533 flow [2021-03-26 13:38:54,697 INFO L129 PetriNetUnfolder]: 309/1030 cut-off events. [2021-03-26 13:38:54,698 INFO L130 PetriNetUnfolder]: For 467/508 co-relation queries the response was YES. [2021-03-26 13:38:54,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1493 conditions, 1030 events. 309/1030 cut-off events. For 467/508 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 8659 event pairs, 0 based on Foata normal form. 0/903 useless extension candidates. Maximal degree in co-relation 1460. Up to 255 conditions per place. [2021-03-26 13:38:54,710 INFO L142 LiptonReduction]: Number of co-enabled transitions 1354 [2021-03-26 13:38:54,713 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:54,714 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:54,714 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 96 [2021-03-26 13:38:54,714 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 77 transitions, 533 flow [2021-03-26 13:38:54,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:54,715 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:54,715 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:54,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 13:38:54,715 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:54,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:54,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1170408855, now seen corresponding path program 4 times [2021-03-26 13:38:54,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:54,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814469746] [2021-03-26 13:38:54,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:54,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:54,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:54,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:54,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:54,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:54,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:54,796 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:38:54,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:38:54,809 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:54,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:54,827 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:54,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:54,853 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:38:54,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:38:54,887 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 13:38:54,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:38:54,927 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 13:38:54,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:38:54,975 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:38:54,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:38:55,015 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 13:38:55,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814469746] [2021-03-26 13:38:55,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:55,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:38:55,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972823630] [2021-03-26 13:38:55,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:38:55,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:55,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:38:55,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:38:55,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:38:55,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 77 transitions, 533 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:55,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:55,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:38:55,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:56,559 INFO L129 PetriNetUnfolder]: 6191/12223 cut-off events. [2021-03-26 13:38:56,559 INFO L130 PetriNetUnfolder]: For 42213/43203 co-relation queries the response was YES. [2021-03-26 13:38:56,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38593 conditions, 12223 events. 6191/12223 cut-off events. For 42213/43203 co-relation queries the response was YES. Maximal size of possible extension queue 1017. Compared 116549 event pairs, 1221 based on Foata normal form. 3/11749 useless extension candidates. Maximal degree in co-relation 38559. Up to 2507 conditions per place. [2021-03-26 13:38:56,741 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 95 selfloop transitions, 38 changer transitions 0/165 dead transitions. [2021-03-26 13:38:56,741 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 165 transitions, 1599 flow [2021-03-26 13:38:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:38:56,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:38:56,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:38:56,744 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:38:56,744 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:38:56,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:38:56,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:56,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:38:56,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:56,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:56,750 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:56,750 INFO L185 Difference]: Start difference. First operand has 98 places, 77 transitions, 533 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:38:56,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 165 transitions, 1599 flow [2021-03-26 13:38:56,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 165 transitions, 1509 flow, removed 36 selfloop flow, removed 1 redundant places. [2021-03-26 13:38:56,833 INFO L241 Difference]: Finished difference. Result has 116 places, 103 transitions, 935 flow [2021-03-26 13:38:56,833 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=503, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=935, PETRI_PLACES=116, PETRI_TRANSITIONS=103} [2021-03-26 13:38:56,833 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 60 predicate places. [2021-03-26 13:38:56,833 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:56,834 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 103 transitions, 935 flow [2021-03-26 13:38:56,834 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 103 transitions, 935 flow [2021-03-26 13:38:56,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 116 places, 103 transitions, 935 flow [2021-03-26 13:38:57,046 INFO L129 PetriNetUnfolder]: 673/2204 cut-off events. [2021-03-26 13:38:57,046 INFO L130 PetriNetUnfolder]: For 1922/2043 co-relation queries the response was YES. [2021-03-26 13:38:57,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3487 conditions, 2204 events. 673/2204 cut-off events. For 1922/2043 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 21967 event pairs, 0 based on Foata normal form. 2/1939 useless extension candidates. Maximal degree in co-relation 3445. Up to 558 conditions per place. [2021-03-26 13:38:57,082 INFO L142 LiptonReduction]: Number of co-enabled transitions 2038 [2021-03-26 13:38:57,088 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:38:57,088 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:38:57,088 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 255 [2021-03-26 13:38:57,091 INFO L480 AbstractCegarLoop]: Abstraction has has 116 places, 103 transitions, 935 flow [2021-03-26 13:38:57,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:57,091 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:38:57,092 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:38:57,092 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 13:38:57,092 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:38:57,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:38:57,092 INFO L82 PathProgramCache]: Analyzing trace with hash -23664305, now seen corresponding path program 5 times [2021-03-26 13:38:57,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:38:57,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854217776] [2021-03-26 13:38:57,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:38:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:38:57,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:57,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:38:57,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:57,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:38:57,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:38:57,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:38:57,150 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:38:57,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:38:57,163 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:38:57,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:38:57,184 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:38:57,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:38:57,210 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:38:57,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:38:57,256 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 13:38:57,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:38:57,326 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:38:57,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:38:57,402 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:38:57,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:38:57,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:38:57,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854217776] [2021-03-26 13:38:57,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:38:57,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:38:57,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000821631] [2021-03-26 13:38:57,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:38:57,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:38:57,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:38:57,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:38:57,449 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:38:57,452 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 103 transitions, 935 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:57,452 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:38:57,452 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:38:57,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:38:59,347 INFO L129 PetriNetUnfolder]: 8395/16987 cut-off events. [2021-03-26 13:38:59,348 INFO L130 PetriNetUnfolder]: For 89519/91211 co-relation queries the response was YES. [2021-03-26 13:38:59,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61448 conditions, 16987 events. 8395/16987 cut-off events. For 89519/91211 co-relation queries the response was YES. Maximal size of possible extension queue 1519. Compared 174010 event pairs, 1388 based on Foata normal form. 3/16377 useless extension candidates. Maximal degree in co-relation 61405. Up to 3271 conditions per place. [2021-03-26 13:38:59,661 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 95 selfloop transitions, 61 changer transitions 0/188 dead transitions. [2021-03-26 13:38:59,661 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 188 transitions, 2189 flow [2021-03-26 13:38:59,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:38:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:38:59,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:38:59,664 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:38:59,664 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:38:59,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:38:59,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:38:59,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:38:59,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:59,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:59,670 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:38:59,670 INFO L185 Difference]: Start difference. First operand has 116 places, 103 transitions, 935 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:38:59,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 188 transitions, 2189 flow [2021-03-26 13:38:59,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 188 transitions, 2115 flow, removed 25 selfloop flow, removed 1 redundant places. [2021-03-26 13:38:59,986 INFO L241 Difference]: Finished difference. Result has 134 places, 129 transitions, 1489 flow [2021-03-26 13:38:59,986 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=909, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1489, PETRI_PLACES=134, PETRI_TRANSITIONS=129} [2021-03-26 13:38:59,986 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 78 predicate places. [2021-03-26 13:38:59,987 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:38:59,987 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 129 transitions, 1489 flow [2021-03-26 13:38:59,987 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 129 transitions, 1489 flow [2021-03-26 13:38:59,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 129 transitions, 1489 flow [2021-03-26 13:39:00,365 INFO L129 PetriNetUnfolder]: 1189/3815 cut-off events. [2021-03-26 13:39:00,366 INFO L130 PetriNetUnfolder]: For 5532/5801 co-relation queries the response was YES. [2021-03-26 13:39:00,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6611 conditions, 3815 events. 1189/3815 cut-off events. For 5532/5801 co-relation queries the response was YES. Maximal size of possible extension queue 595. Compared 42025 event pairs, 0 based on Foata normal form. 10/3364 useless extension candidates. Maximal degree in co-relation 6560. Up to 989 conditions per place. [2021-03-26 13:39:00,423 INFO L142 LiptonReduction]: Number of co-enabled transitions 2716 [2021-03-26 13:39:00,431 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:00,431 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:00,432 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 445 [2021-03-26 13:39:00,432 INFO L480 AbstractCegarLoop]: Abstraction has has 134 places, 129 transitions, 1489 flow [2021-03-26 13:39:00,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:00,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:00,433 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:00,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 13:39:00,433 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:39:00,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:00,434 INFO L82 PathProgramCache]: Analyzing trace with hash 338622035, now seen corresponding path program 6 times [2021-03-26 13:39:00,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:00,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673276328] [2021-03-26 13:39:00,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:00,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:00,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:00,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:00,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:00,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:00,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:00,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:00,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:39:00,496 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:00,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:00,516 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:39:00,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:39:00,542 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:39:00,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:39:00,579 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 13:39:00,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:39:00,622 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 13:39:00,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:39:00,678 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:39:00,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:39:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:00,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673276328] [2021-03-26 13:39:00,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:00,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:39:00,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900001018] [2021-03-26 13:39:00,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:39:00,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:00,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:39:00,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:39:00,726 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:39:00,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 129 transitions, 1489 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:00,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:00,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:39:00,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:03,950 INFO L129 PetriNetUnfolder]: 12630/27067 cut-off events. [2021-03-26 13:39:03,950 INFO L130 PetriNetUnfolder]: For 171427/173347 co-relation queries the response was YES. [2021-03-26 13:39:04,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97903 conditions, 27067 events. 12630/27067 cut-off events. For 171427/173347 co-relation queries the response was YES. Maximal size of possible extension queue 2754. Compared 313330 event pairs, 2625 based on Foata normal form. 2/25710 useless extension candidates. Maximal degree in co-relation 97851. Up to 4942 conditions per place. [2021-03-26 13:39:04,422 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 238 selfloop transitions, 56 changer transitions 0/326 dead transitions. [2021-03-26 13:39:04,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 326 transitions, 4833 flow [2021-03-26 13:39:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:39:04,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:39:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:39:04,426 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:39:04,426 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:39:04,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:39:04,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:04,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:39:04,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:04,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:04,435 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:04,435 INFO L185 Difference]: Start difference. First operand has 134 places, 129 transitions, 1489 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:39:04,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 326 transitions, 4833 flow [2021-03-26 13:39:04,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 326 transitions, 4667 flow, removed 73 selfloop flow, removed 1 redundant places. [2021-03-26 13:39:04,983 INFO L241 Difference]: Finished difference. Result has 152 places, 172 transitions, 2328 flow [2021-03-26 13:39:04,983 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=1429, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2328, PETRI_PLACES=152, PETRI_TRANSITIONS=172} [2021-03-26 13:39:04,984 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 96 predicate places. [2021-03-26 13:39:04,984 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:04,984 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 172 transitions, 2328 flow [2021-03-26 13:39:04,984 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 172 transitions, 2328 flow [2021-03-26 13:39:04,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 172 transitions, 2328 flow [2021-03-26 13:39:05,745 INFO L129 PetriNetUnfolder]: 2291/7581 cut-off events. [2021-03-26 13:39:05,745 INFO L130 PetriNetUnfolder]: For 16250/16785 co-relation queries the response was YES. [2021-03-26 13:39:05,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14108 conditions, 7581 events. 2291/7581 cut-off events. For 16250/16785 co-relation queries the response was YES. Maximal size of possible extension queue 1192. Compared 95407 event pairs, 0 based on Foata normal form. 22/6710 useless extension candidates. Maximal degree in co-relation 14048. Up to 1980 conditions per place. [2021-03-26 13:39:05,910 INFO L142 LiptonReduction]: Number of co-enabled transitions 3642 [2021-03-26 13:39:05,922 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:05,922 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:05,922 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 938 [2021-03-26 13:39:05,923 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 172 transitions, 2328 flow [2021-03-26 13:39:05,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:05,923 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:05,923 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:05,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 13:39:05,924 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:39:05,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:05,924 INFO L82 PathProgramCache]: Analyzing trace with hash 715675419, now seen corresponding path program 1 times [2021-03-26 13:39:05,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:05,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363164576] [2021-03-26 13:39:05,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:05,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:05,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:05,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:05,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:39:05,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:05,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:05,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363164576] [2021-03-26 13:39:05,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:05,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:39:05,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5923252] [2021-03-26 13:39:05,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:39:05,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:05,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:39:05,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:39:05,947 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 13:39:05,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 172 transitions, 2328 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:05,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:05,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 13:39:05,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:06,422 INFO L129 PetriNetUnfolder]: 0/3267 cut-off events. [2021-03-26 13:39:06,422 INFO L130 PetriNetUnfolder]: For 17139/17678 co-relation queries the response was YES. [2021-03-26 13:39:06,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10063 conditions, 3267 events. 0/3267 cut-off events. For 17139/17678 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 49452 event pairs, 0 based on Foata normal form. 623/3505 useless extension candidates. Maximal degree in co-relation 0. Up to 326 conditions per place. [2021-03-26 13:39:06,428 INFO L132 encePairwiseOnDemand]: 124/129 looper letters, 1 selfloop transitions, 1 changer transitions 8/158 dead transitions. [2021-03-26 13:39:06,428 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 158 transitions, 2290 flow [2021-03-26 13:39:06,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:39:06,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:39:06,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2021-03-26 13:39:06,430 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.937984496124031 [2021-03-26 13:39:06,430 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 363 transitions. [2021-03-26 13:39:06,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 363 transitions. [2021-03-26 13:39:06,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:06,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 363 transitions. [2021-03-26 13:39:06,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:06,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:06,432 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:06,432 INFO L185 Difference]: Start difference. First operand has 152 places, 172 transitions, 2328 flow. Second operand 3 states and 363 transitions. [2021-03-26 13:39:06,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 158 transitions, 2290 flow [2021-03-26 13:39:06,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 158 transitions, 2201 flow, removed 38 selfloop flow, removed 1 redundant places. [2021-03-26 13:39:06,510 INFO L241 Difference]: Finished difference. Result has 153 places, 150 transitions, 2107 flow [2021-03-26 13:39:06,511 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=2197, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2107, PETRI_PLACES=153, PETRI_TRANSITIONS=150} [2021-03-26 13:39:06,511 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 97 predicate places. [2021-03-26 13:39:06,511 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:06,511 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 150 transitions, 2107 flow [2021-03-26 13:39:06,511 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 150 transitions, 2107 flow [2021-03-26 13:39:06,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 150 transitions, 2107 flow [2021-03-26 13:39:06,928 INFO L129 PetriNetUnfolder]: 0/3244 cut-off events. [2021-03-26 13:39:06,928 INFO L130 PetriNetUnfolder]: For 14614/15138 co-relation queries the response was YES. [2021-03-26 13:39:06,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9487 conditions, 3244 events. 0/3244 cut-off events. For 14614/15138 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 49132 event pairs, 0 based on Foata normal form. 21/2895 useless extension candidates. Maximal degree in co-relation 0. Up to 322 conditions per place. [2021-03-26 13:39:06,966 INFO L142 LiptonReduction]: Number of co-enabled transitions 1560 [2021-03-26 13:39:06,974 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:06,974 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:06,974 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 463 [2021-03-26 13:39:06,974 INFO L480 AbstractCegarLoop]: Abstraction has has 148 places, 150 transitions, 2107 flow [2021-03-26 13:39:06,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:06,975 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:06,975 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:06,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 13:39:06,975 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:39:06,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:06,975 INFO L82 PathProgramCache]: Analyzing trace with hash 247179585, now seen corresponding path program 7 times [2021-03-26 13:39:06,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:06,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330110816] [2021-03-26 13:39:06,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:07,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:07,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:07,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:07,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:07,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:07,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:07,020 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:07,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:07,032 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:07,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:07,055 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:39:07,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:39:07,079 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:39:07,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:39:07,115 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-26 13:39:07,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:39:07,151 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 13:39:07,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:39:07,208 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:39:07,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:39:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:07,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330110816] [2021-03-26 13:39:07,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:07,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:39:07,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19215279] [2021-03-26 13:39:07,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:39:07,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:07,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:39:07,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:39:07,254 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:39:07,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 150 transitions, 2107 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:07,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:07,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:39:07,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:09,832 INFO L129 PetriNetUnfolder]: 7678/19844 cut-off events. [2021-03-26 13:39:09,832 INFO L130 PetriNetUnfolder]: For 213944/216577 co-relation queries the response was YES. [2021-03-26 13:39:10,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104451 conditions, 19844 events. 7678/19844 cut-off events. For 213944/216577 co-relation queries the response was YES. Maximal size of possible extension queue 2088. Compared 243565 event pairs, 2748 based on Foata normal form. 4/19491 useless extension candidates. Maximal degree in co-relation 104390. Up to 6897 conditions per place. [2021-03-26 13:39:10,243 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 170 selfloop transitions, 63 changer transitions 1/252 dead transitions. [2021-03-26 13:39:10,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 252 transitions, 3839 flow [2021-03-26 13:39:10,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:39:10,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:39:10,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:39:10,245 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:39:10,246 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:39:10,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:39:10,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:10,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:39:10,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:10,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:10,251 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:10,252 INFO L185 Difference]: Start difference. First operand has 148 places, 150 transitions, 2107 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:39:10,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 252 transitions, 3839 flow [2021-03-26 13:39:11,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 252 transitions, 3701 flow, removed 67 selfloop flow, removed 9 redundant places. [2021-03-26 13:39:11,099 INFO L241 Difference]: Finished difference. Result has 158 places, 182 transitions, 2775 flow [2021-03-26 13:39:11,099 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=2087, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2775, PETRI_PLACES=158, PETRI_TRANSITIONS=182} [2021-03-26 13:39:11,099 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 102 predicate places. [2021-03-26 13:39:11,099 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:11,100 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 182 transitions, 2775 flow [2021-03-26 13:39:11,100 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 182 transitions, 2775 flow [2021-03-26 13:39:11,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 157 places, 182 transitions, 2775 flow [2021-03-26 13:39:11,631 INFO L129 PetriNetUnfolder]: 0/4423 cut-off events. [2021-03-26 13:39:11,631 INFO L130 PetriNetUnfolder]: For 19328/20165 co-relation queries the response was YES. [2021-03-26 13:39:11,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11703 conditions, 4423 events. 0/4423 cut-off events. For 19328/20165 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 71266 event pairs, 0 based on Foata normal form. 25/3932 useless extension candidates. Maximal degree in co-relation 0. Up to 433 conditions per place. [2021-03-26 13:39:11,679 INFO L142 LiptonReduction]: Number of co-enabled transitions 1924 [2021-03-26 13:39:11,689 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:11,689 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:11,689 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 590 [2021-03-26 13:39:11,690 INFO L480 AbstractCegarLoop]: Abstraction has has 157 places, 182 transitions, 2775 flow [2021-03-26 13:39:11,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:11,691 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:11,691 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:11,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 13:39:11,691 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:39:11,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:11,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1738243283, now seen corresponding path program 8 times [2021-03-26 13:39:11,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:11,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474380240] [2021-03-26 13:39:11,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:11,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:11,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:11,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:11,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:11,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:11,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:11,752 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:11,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:11,773 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:39:11,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:39:11,792 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 13:39:11,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:39:11,826 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:39:11,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:39:11,857 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 13:39:11,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:39:11,904 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 13:39:11,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:39:11,962 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:39:11,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:39:12,001 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 13:39:12,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474380240] [2021-03-26 13:39:12,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:12,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:39:12,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791123928] [2021-03-26 13:39:12,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:39:12,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:12,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:39:12,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:39:12,007 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:39:12,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 182 transitions, 2775 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:12,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:12,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:39:12,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:16,499 INFO L129 PetriNetUnfolder]: 9339/29663 cut-off events. [2021-03-26 13:39:16,499 INFO L130 PetriNetUnfolder]: For 355660/358377 co-relation queries the response was YES. [2021-03-26 13:39:16,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150418 conditions, 29663 events. 9339/29663 cut-off events. For 355660/358377 co-relation queries the response was YES. Maximal size of possible extension queue 3042. Compared 437550 event pairs, 2961 based on Foata normal form. 6/28546 useless extension candidates. Maximal degree in co-relation 150356. Up to 7664 conditions per place. [2021-03-26 13:39:17,054 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 257 selfloop transitions, 123 changer transitions 2/400 dead transitions. [2021-03-26 13:39:17,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 400 transitions, 7225 flow [2021-03-26 13:39:17,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:39:17,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:39:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:39:17,070 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:39:17,070 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:39:17,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:39:17,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:17,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:39:17,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:17,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:17,083 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:17,083 INFO L185 Difference]: Start difference. First operand has 157 places, 182 transitions, 2775 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:39:17,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 400 transitions, 7225 flow [2021-03-26 13:39:18,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 400 transitions, 6993 flow, removed 62 selfloop flow, removed 2 redundant places. [2021-03-26 13:39:18,305 INFO L241 Difference]: Finished difference. Result has 174 places, 263 transitions, 4661 flow [2021-03-26 13:39:18,305 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=2673, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4661, PETRI_PLACES=174, PETRI_TRANSITIONS=263} [2021-03-26 13:39:18,305 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 118 predicate places. [2021-03-26 13:39:18,305 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:18,305 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 263 transitions, 4661 flow [2021-03-26 13:39:18,305 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 263 transitions, 4661 flow [2021-03-26 13:39:18,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 263 transitions, 4661 flow [2021-03-26 13:39:19,553 INFO L129 PetriNetUnfolder]: 0/8355 cut-off events. [2021-03-26 13:39:19,554 INFO L130 PetriNetUnfolder]: For 54295/56146 co-relation queries the response was YES. [2021-03-26 13:39:19,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24394 conditions, 8355 events. 0/8355 cut-off events. For 54295/56146 co-relation queries the response was YES. Maximal size of possible extension queue 911. Compared 150077 event pairs, 0 based on Foata normal form. 5/7626 useless extension candidates. Maximal degree in co-relation 0. Up to 786 conditions per place. [2021-03-26 13:39:19,647 INFO L142 LiptonReduction]: Number of co-enabled transitions 2594 [2021-03-26 13:39:19,664 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:19,664 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:19,664 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1359 [2021-03-26 13:39:19,664 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 263 transitions, 4661 flow [2021-03-26 13:39:19,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:19,665 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:19,665 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:19,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 13:39:19,665 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:39:19,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:19,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1114547593, now seen corresponding path program 9 times [2021-03-26 13:39:19,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:19,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50180389] [2021-03-26 13:39:19,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:19,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:19,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:19,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:19,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:19,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:19,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:19,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:19,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:39:19,720 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:19,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:19,738 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:39:19,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:39:19,762 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-26 13:39:19,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:39:19,812 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 13:39:19,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:39:19,866 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:39:19,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:39:19,923 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:39:19,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:39:19,968 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 13:39:19,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50180389] [2021-03-26 13:39:19,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:19,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:39:19,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306246931] [2021-03-26 13:39:19,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:39:19,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:19,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:39:19,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:39:19,971 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:39:19,972 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 263 transitions, 4661 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:19,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:19,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:39:19,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:29,197 INFO L129 PetriNetUnfolder]: 11632/39445 cut-off events. [2021-03-26 13:39:29,197 INFO L130 PetriNetUnfolder]: For 609931/614706 co-relation queries the response was YES. [2021-03-26 13:39:29,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216250 conditions, 39445 events. 11632/39445 cut-off events. For 609931/614706 co-relation queries the response was YES. Maximal size of possible extension queue 4451. Compared 620378 event pairs, 3858 based on Foata normal form. 3/38259 useless extension candidates. Maximal degree in co-relation 216180. Up to 10973 conditions per place. [2021-03-26 13:39:29,941 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 310 selfloop transitions, 150 changer transitions 1/479 dead transitions. [2021-03-26 13:39:29,941 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 479 transitions, 9397 flow [2021-03-26 13:39:29,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:39:29,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:39:29,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:39:29,943 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:39:29,943 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:39:29,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:39:29,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:29,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:39:29,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:29,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:29,947 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:29,947 INFO L185 Difference]: Start difference. First operand has 173 places, 263 transitions, 4661 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:39:29,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 479 transitions, 9397 flow [2021-03-26 13:39:31,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 479 transitions, 9238 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-03-26 13:39:31,509 INFO L241 Difference]: Finished difference. Result has 189 places, 333 transitions, 6637 flow [2021-03-26 13:39:31,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=4570, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6637, PETRI_PLACES=189, PETRI_TRANSITIONS=333} [2021-03-26 13:39:31,509 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 133 predicate places. [2021-03-26 13:39:31,509 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:31,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 333 transitions, 6637 flow [2021-03-26 13:39:31,510 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 333 transitions, 6637 flow [2021-03-26 13:39:31,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 188 places, 333 transitions, 6637 flow [2021-03-26 13:39:33,938 INFO L129 PetriNetUnfolder]: 0/12370 cut-off events. [2021-03-26 13:39:33,938 INFO L130 PetriNetUnfolder]: For 103972/107124 co-relation queries the response was YES. [2021-03-26 13:39:33,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38833 conditions, 12370 events. 0/12370 cut-off events. For 103972/107124 co-relation queries the response was YES. Maximal size of possible extension queue 1364. Compared 235511 event pairs, 0 based on Foata normal form. 19/11430 useless extension candidates. Maximal degree in co-relation 0. Up to 1150 conditions per place. [2021-03-26 13:39:34,033 INFO L142 LiptonReduction]: Number of co-enabled transitions 3048 [2021-03-26 13:39:34,051 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:34,051 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:34,051 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2542 [2021-03-26 13:39:34,052 INFO L480 AbstractCegarLoop]: Abstraction has has 188 places, 333 transitions, 6637 flow [2021-03-26 13:39:34,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:34,052 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:34,052 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:34,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 13:39:34,052 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:39:34,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:34,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1885401123, now seen corresponding path program 10 times [2021-03-26 13:39:34,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:34,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419417952] [2021-03-26 13:39:34,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:34,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:34,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:34,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:34,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:34,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:34,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:34,092 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:39:34,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:39:34,104 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:39:34,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:39:34,121 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 13:39:34,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:39:34,157 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-26 13:39:34,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:39:34,200 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 13:39:34,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:39:34,254 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:39:34,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:39:34,289 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:39:34,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:39:34,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:34,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419417952] [2021-03-26 13:39:34,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:34,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:39:34,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225761523] [2021-03-26 13:39:34,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:39:34,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:34,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:39:34,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:39:34,343 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:39:34,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 333 transitions, 6637 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:34,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:34,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:39:34,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:39:44,115 INFO L129 PetriNetUnfolder]: 12285/39665 cut-off events. [2021-03-26 13:39:44,116 INFO L130 PetriNetUnfolder]: For 815884/822675 co-relation queries the response was YES. [2021-03-26 13:39:44,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247857 conditions, 39665 events. 12285/39665 cut-off events. For 815884/822675 co-relation queries the response was YES. Maximal size of possible extension queue 4178. Compared 609845 event pairs, 6599 based on Foata normal form. 9/37895 useless extension candidates. Maximal degree in co-relation 247780. Up to 10920 conditions per place. [2021-03-26 13:39:44,980 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 340 selfloop transitions, 187 changer transitions 1/546 dead transitions. [2021-03-26 13:39:44,981 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 546 transitions, 12268 flow [2021-03-26 13:39:44,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:39:44,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:39:44,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:39:44,982 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:39:44,983 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:39:44,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:39:44,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:39:44,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:39:44,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:44,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:44,986 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:44,986 INFO L185 Difference]: Start difference. First operand has 188 places, 333 transitions, 6637 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:39:44,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 546 transitions, 12268 flow [2021-03-26 13:39:47,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 546 transitions, 11824 flow, removed 181 selfloop flow, removed 2 redundant places. [2021-03-26 13:39:47,805 INFO L241 Difference]: Finished difference. Result has 205 places, 401 transitions, 8817 flow [2021-03-26 13:39:47,806 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=6432, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=8817, PETRI_PLACES=205, PETRI_TRANSITIONS=401} [2021-03-26 13:39:47,806 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 149 predicate places. [2021-03-26 13:39:47,806 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:39:47,806 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 401 transitions, 8817 flow [2021-03-26 13:39:47,806 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 401 transitions, 8817 flow [2021-03-26 13:39:47,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 204 places, 401 transitions, 8817 flow [2021-03-26 13:39:50,740 INFO L129 PetriNetUnfolder]: 0/13743 cut-off events. [2021-03-26 13:39:50,740 INFO L130 PetriNetUnfolder]: For 153984/158950 co-relation queries the response was YES. [2021-03-26 13:39:50,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46285 conditions, 13743 events. 0/13743 cut-off events. For 153984/158950 co-relation queries the response was YES. Maximal size of possible extension queue 1537. Compared 266349 event pairs, 0 based on Foata normal form. 21/12758 useless extension candidates. Maximal degree in co-relation 0. Up to 1278 conditions per place. [2021-03-26 13:39:51,039 INFO L142 LiptonReduction]: Number of co-enabled transitions 3468 [2021-03-26 13:39:51,063 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:39:51,063 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:39:51,063 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3257 [2021-03-26 13:39:51,064 INFO L480 AbstractCegarLoop]: Abstraction has has 204 places, 401 transitions, 8817 flow [2021-03-26 13:39:51,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:51,064 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:39:51,064 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:39:51,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 13:39:51,065 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:39:51,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:39:51,065 INFO L82 PathProgramCache]: Analyzing trace with hash -775744753, now seen corresponding path program 11 times [2021-03-26 13:39:51,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:39:51,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967939246] [2021-03-26 13:39:51,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:39:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:39:51,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:51,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:39:51,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:51,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:39:51,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:39:51,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:39:51,109 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 13:39:51,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 13:39:51,123 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:39:51,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:39:51,145 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:39:51,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:39:51,167 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-26 13:39:51,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:39:51,213 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 13:39:51,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:39:51,262 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:39:51,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:39:51,304 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:39:51,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:39:51,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:39:51,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967939246] [2021-03-26 13:39:51,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:39:51,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:39:51,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35049266] [2021-03-26 13:39:51,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:39:51,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:39:51,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:39:51,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:39:51,343 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:39:51,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 401 transitions, 8817 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:39:51,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:39:51,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:39:51,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:03,300 INFO L129 PetriNetUnfolder]: 12610/44436 cut-off events. [2021-03-26 13:40:03,301 INFO L130 PetriNetUnfolder]: For 994965/1005425 co-relation queries the response was YES. [2021-03-26 13:40:03,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 280417 conditions, 44436 events. 12610/44436 cut-off events. For 994965/1005425 co-relation queries the response was YES. Maximal size of possible extension queue 5074. Compared 721064 event pairs, 5660 based on Foata normal form. 28/43087 useless extension candidates. Maximal degree in co-relation 280332. Up to 12152 conditions per place. [2021-03-26 13:40:04,292 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 262 selfloop transitions, 250 changer transitions 1/531 dead transitions. [2021-03-26 13:40:04,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 531 transitions, 12430 flow [2021-03-26 13:40:04,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:40:04,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:40:04,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:40:04,295 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:40:04,295 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:40:04,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:40:04,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:04,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:40:04,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:04,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:04,299 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:04,299 INFO L185 Difference]: Start difference. First operand has 204 places, 401 transitions, 8817 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:40:04,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 531 transitions, 12430 flow [2021-03-26 13:40:07,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 531 transitions, 12066 flow, removed 113 selfloop flow, removed 2 redundant places. [2021-03-26 13:40:07,870 INFO L241 Difference]: Finished difference. Result has 221 places, 462 transitions, 10868 flow [2021-03-26 13:40:07,871 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=8596, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10868, PETRI_PLACES=221, PETRI_TRANSITIONS=462} [2021-03-26 13:40:07,871 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 165 predicate places. [2021-03-26 13:40:07,871 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:07,871 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 462 transitions, 10868 flow [2021-03-26 13:40:07,871 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 462 transitions, 10868 flow [2021-03-26 13:40:07,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 220 places, 462 transitions, 10868 flow [2021-03-26 13:40:11,931 INFO L129 PetriNetUnfolder]: 0/14718 cut-off events. [2021-03-26 13:40:11,932 INFO L130 PetriNetUnfolder]: For 198171/205264 co-relation queries the response was YES. [2021-03-26 13:40:11,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52672 conditions, 14718 events. 0/14718 cut-off events. For 198171/205264 co-relation queries the response was YES. Maximal size of possible extension queue 1638. Compared 288679 event pairs, 0 based on Foata normal form. 34/13664 useless extension candidates. Maximal degree in co-relation 0. Up to 1389 conditions per place. [2021-03-26 13:40:12,077 INFO L142 LiptonReduction]: Number of co-enabled transitions 4110 [2021-03-26 13:40:12,109 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:12,109 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:12,109 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4238 [2021-03-26 13:40:12,110 INFO L480 AbstractCegarLoop]: Abstraction has has 220 places, 462 transitions, 10868 flow [2021-03-26 13:40:12,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:12,110 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:12,110 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:12,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 13:40:12,110 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:40:12,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:12,111 INFO L82 PathProgramCache]: Analyzing trace with hash -853116425, now seen corresponding path program 12 times [2021-03-26 13:40:12,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:12,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981969826] [2021-03-26 13:40:12,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:12,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:12,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:12,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:12,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:12,146 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:40:12,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:40:12,156 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:40:12,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:40:12,168 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:40:12,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:40:12,184 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 13:40:12,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:12,387 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 18 [2021-03-26 13:40:12,389 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-26 13:40:12,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:40:12,431 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 13:40:12,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:40:12,482 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:40:12,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:40:12,527 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:40:12,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:40:12,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:12,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981969826] [2021-03-26 13:40:12,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:12,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:40:12,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921394064] [2021-03-26 13:40:12,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:40:12,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:12,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:40:12,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:40:12,563 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:40:12,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 462 transitions, 10868 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:12,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:12,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:40:12,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:27,768 INFO L129 PetriNetUnfolder]: 13738/45275 cut-off events. [2021-03-26 13:40:27,768 INFO L130 PetriNetUnfolder]: For 1301207/1318383 co-relation queries the response was YES. [2021-03-26 13:40:28,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 326158 conditions, 45275 events. 13738/45275 cut-off events. For 1301207/1318383 co-relation queries the response was YES. Maximal size of possible extension queue 5008. Compared 714042 event pairs, 5983 based on Foata normal form. 22/43972 useless extension candidates. Maximal degree in co-relation 326065. Up to 14765 conditions per place. [2021-03-26 13:40:28,589 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 280 selfloop transitions, 293 changer transitions 1/592 dead transitions. [2021-03-26 13:40:28,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 592 transitions, 15032 flow [2021-03-26 13:40:28,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:40:28,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:40:28,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:40:28,591 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:40:28,591 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:40:28,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:40:28,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:28,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:40:28,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:28,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:28,594 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:28,594 INFO L185 Difference]: Start difference. First operand has 220 places, 462 transitions, 10868 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:40:28,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 592 transitions, 15032 flow [2021-03-26 13:40:34,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 592 transitions, 14656 flow, removed 90 selfloop flow, removed 2 redundant places. [2021-03-26 13:40:34,498 INFO L241 Difference]: Finished difference. Result has 237 places, 530 transitions, 13590 flow [2021-03-26 13:40:34,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=10562, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=225, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=13590, PETRI_PLACES=237, PETRI_TRANSITIONS=530} [2021-03-26 13:40:34,499 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 181 predicate places. [2021-03-26 13:40:34,499 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:40:34,499 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 530 transitions, 13590 flow [2021-03-26 13:40:34,499 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 530 transitions, 13590 flow [2021-03-26 13:40:34,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 236 places, 530 transitions, 13590 flow [2021-03-26 13:40:39,368 INFO L129 PetriNetUnfolder]: 0/15781 cut-off events. [2021-03-26 13:40:39,369 INFO L130 PetriNetUnfolder]: For 259634/271605 co-relation queries the response was YES. [2021-03-26 13:40:39,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58838 conditions, 15781 events. 0/15781 cut-off events. For 259634/271605 co-relation queries the response was YES. Maximal size of possible extension queue 1728. Compared 312841 event pairs, 0 based on Foata normal form. 61/14704 useless extension candidates. Maximal degree in co-relation 0. Up to 1515 conditions per place. [2021-03-26 13:40:39,531 INFO L142 LiptonReduction]: Number of co-enabled transitions 4504 [2021-03-26 13:40:39,568 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:40:39,568 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:40:39,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5069 [2021-03-26 13:40:39,568 INFO L480 AbstractCegarLoop]: Abstraction has has 236 places, 530 transitions, 13590 flow [2021-03-26 13:40:39,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:39,569 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:40:39,569 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:40:39,569 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 13:40:39,569 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:40:39,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:40:39,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1957122539, now seen corresponding path program 13 times [2021-03-26 13:40:39,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:40:39,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891945572] [2021-03-26 13:40:39,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:40:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:40:39,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:39,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:40:39,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:39,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:40:39,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:39,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:40:39,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:40:39,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:40:39,618 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:40:39,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:40:39,645 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 13:40:39,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 13:40:39,682 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-26 13:40:39,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 13:40:39,723 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 13:40:39,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:40:39,754 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 13:40:39,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:40:39,796 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:40:39,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:40:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:40:39,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891945572] [2021-03-26 13:40:39,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:40:39,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:40:39,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037193088] [2021-03-26 13:40:39,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:40:39,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:40:39,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:40:39,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:40:39,834 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:40:39,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 530 transitions, 13590 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:39,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:40:39,835 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:40:39,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:40:57,616 INFO L129 PetriNetUnfolder]: 14353/50563 cut-off events. [2021-03-26 13:40:57,616 INFO L130 PetriNetUnfolder]: For 1693097/1719529 co-relation queries the response was YES. [2021-03-26 13:40:58,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 379677 conditions, 50563 events. 14353/50563 cut-off events. For 1693097/1719529 co-relation queries the response was YES. Maximal size of possible extension queue 5524. Compared 833314 event pairs, 6244 based on Foata normal form. 22/49165 useless extension candidates. Maximal degree in co-relation 379576. Up to 13267 conditions per place. [2021-03-26 13:40:58,811 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 502 selfloop transitions, 283 changer transitions 3/806 dead transitions. [2021-03-26 13:40:58,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 806 transitions, 21505 flow [2021-03-26 13:40:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:40:58,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:40:58,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:40:58,812 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:40:58,813 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:40:58,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:40:58,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:40:58,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:40:58,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:58,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:58,816 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:40:58,816 INFO L185 Difference]: Start difference. First operand has 236 places, 530 transitions, 13590 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:40:58,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 806 transitions, 21505 flow [2021-03-26 13:41:07,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 806 transitions, 21058 flow, removed 100 selfloop flow, removed 2 redundant places. [2021-03-26 13:41:07,990 INFO L241 Difference]: Finished difference. Result has 253 places, 587 transitions, 15570 flow [2021-03-26 13:41:07,990 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=13318, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=226, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=15570, PETRI_PLACES=253, PETRI_TRANSITIONS=587} [2021-03-26 13:41:07,990 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 197 predicate places. [2021-03-26 13:41:07,990 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:07,991 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 587 transitions, 15570 flow [2021-03-26 13:41:07,991 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 587 transitions, 15570 flow [2021-03-26 13:41:07,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 252 places, 587 transitions, 15570 flow [2021-03-26 13:41:15,391 INFO L129 PetriNetUnfolder]: 0/19733 cut-off events. [2021-03-26 13:41:15,391 INFO L130 PetriNetUnfolder]: For 351520/368661 co-relation queries the response was YES. [2021-03-26 13:41:15,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75358 conditions, 19733 events. 0/19733 cut-off events. For 351520/368661 co-relation queries the response was YES. Maximal size of possible extension queue 2121. Compared 403622 event pairs, 0 based on Foata normal form. 146/18338 useless extension candidates. Maximal degree in co-relation 0. Up to 1979 conditions per place. [2021-03-26 13:41:15,791 INFO L142 LiptonReduction]: Number of co-enabled transitions 5130 [2021-03-26 13:41:15,837 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:41:15,837 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:41:15,838 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7848 [2021-03-26 13:41:15,838 INFO L480 AbstractCegarLoop]: Abstraction has has 252 places, 587 transitions, 15570 flow [2021-03-26 13:41:15,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:15,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:41:15,838 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:41:15,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 13:41:15,839 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:41:15,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:41:15,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1858571209, now seen corresponding path program 14 times [2021-03-26 13:41:15,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:41:15,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266054622] [2021-03-26 13:41:15,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:41:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:41:15,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:15,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:41:15,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:15,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:41:15,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:41:15,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:41:15,873 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:41:15,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:41:15,886 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:41:15,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:41:15,903 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:41:15,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:41:15,926 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:41:15,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:41:15,955 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-26 13:41:15,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 13:41:15,989 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:41:15,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:41:16,026 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:41:16,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:41:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:41:16,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266054622] [2021-03-26 13:41:16,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:41:16,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:41:16,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167083439] [2021-03-26 13:41:16,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:41:16,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:41:16,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:41:16,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:41:16,066 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:41:16,067 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 587 transitions, 15570 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:16,067 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:41:16,067 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:41:16,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:41:40,570 INFO L129 PetriNetUnfolder]: 15372/58818 cut-off events. [2021-03-26 13:41:40,571 INFO L130 PetriNetUnfolder]: For 2086576/2119702 co-relation queries the response was YES. [2021-03-26 13:41:41,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 444520 conditions, 58818 events. 15372/58818 cut-off events. For 2086576/2119702 co-relation queries the response was YES. Maximal size of possible extension queue 6450. Compared 1020562 event pairs, 6719 based on Foata normal form. 40/56821 useless extension candidates. Maximal degree in co-relation 444411. Up to 15495 conditions per place. [2021-03-26 13:41:42,025 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 439 selfloop transitions, 384 changer transitions 1/842 dead transitions. [2021-03-26 13:41:42,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 842 transitions, 22752 flow [2021-03-26 13:41:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:41:42,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:41:42,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:41:42,026 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:41:42,027 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:41:42,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:41:42,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:41:42,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:41:42,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:42,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:42,030 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:41:42,030 INFO L185 Difference]: Start difference. First operand has 252 places, 587 transitions, 15570 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:41:42,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 842 transitions, 22752 flow [2021-03-26 13:41:58,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 842 transitions, 22171 flow, removed 192 selfloop flow, removed 3 redundant places. [2021-03-26 13:41:58,175 INFO L241 Difference]: Finished difference. Result has 268 places, 710 transitions, 19535 flow [2021-03-26 13:41:58,175 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=15073, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=261, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=19535, PETRI_PLACES=268, PETRI_TRANSITIONS=710} [2021-03-26 13:41:58,175 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 212 predicate places. [2021-03-26 13:41:58,176 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:41:58,176 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 268 places, 710 transitions, 19535 flow [2021-03-26 13:41:58,176 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 268 places, 710 transitions, 19535 flow [2021-03-26 13:41:58,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 267 places, 710 transitions, 19535 flow [2021-03-26 13:42:08,240 INFO L129 PetriNetUnfolder]: 0/23664 cut-off events. [2021-03-26 13:42:08,240 INFO L130 PetriNetUnfolder]: For 460733/482724 co-relation queries the response was YES. [2021-03-26 13:42:08,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92818 conditions, 23664 events. 0/23664 cut-off events. For 460733/482724 co-relation queries the response was YES. Maximal size of possible extension queue 2518. Compared 496817 event pairs, 0 based on Foata normal form. 279/22220 useless extension candidates. Maximal degree in co-relation 0. Up to 2357 conditions per place. [2021-03-26 13:42:08,489 INFO L142 LiptonReduction]: Number of co-enabled transitions 6112 [2021-03-26 13:42:08,553 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:42:08,553 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:42:08,554 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10378 [2021-03-26 13:42:08,554 INFO L480 AbstractCegarLoop]: Abstraction has has 267 places, 710 transitions, 19535 flow [2021-03-26 13:42:08,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:08,554 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:42:08,555 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:42:08,555 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 13:42:08,555 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:42:08,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:42:08,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1944996155, now seen corresponding path program 15 times [2021-03-26 13:42:08,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:42:08,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622010047] [2021-03-26 13:42:08,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:42:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:42:08,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:08,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:42:08,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:08,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:42:08,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:08,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:42:08,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:42:08,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:42:08,615 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:42:08,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:42:08,631 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:42:08,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:42:08,650 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:42:08,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:42:08,677 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 13:42:08,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:42:08,726 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:42:08,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:42:08,762 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:42:08,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:42:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:42:08,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622010047] [2021-03-26 13:42:08,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:42:08,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:42:08,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296345870] [2021-03-26 13:42:08,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:42:08,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:42:08,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:42:08,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:42:08,796 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:42:08,797 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 710 transitions, 19535 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:08,797 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:42:08,797 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:42:08,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:42:34,963 INFO L129 PetriNetUnfolder]: 15505/58876 cut-off events. [2021-03-26 13:42:34,963 INFO L130 PetriNetUnfolder]: For 2163906/2195815 co-relation queries the response was YES. [2021-03-26 13:42:36,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 453815 conditions, 58876 events. 15505/58876 cut-off events. For 2163906/2195815 co-relation queries the response was YES. Maximal size of possible extension queue 6406. Compared 1022019 event pairs, 6639 based on Foata normal form. 40/56669 useless extension candidates. Maximal degree in co-relation 453699. Up to 16108 conditions per place. [2021-03-26 13:42:36,542 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 764 selfloop transitions, 373 changer transitions 2/1157 dead transitions. [2021-03-26 13:42:36,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 1157 transitions, 33375 flow [2021-03-26 13:42:36,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:42:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:42:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:42:36,543 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:42:36,543 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:42:36,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:42:36,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:42:36,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:42:36,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:36,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:36,547 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:42:36,547 INFO L185 Difference]: Start difference. First operand has 267 places, 710 transitions, 19535 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:42:36,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 1157 transitions, 33375 flow [2021-03-26 13:42:53,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 1157 transitions, 32267 flow, removed 456 selfloop flow, removed 2 redundant places. [2021-03-26 13:42:53,125 INFO L241 Difference]: Finished difference. Result has 284 places, 839 transitions, 23847 flow [2021-03-26 13:42:53,125 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=18947, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=244, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=23847, PETRI_PLACES=284, PETRI_TRANSITIONS=839} [2021-03-26 13:42:53,125 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 228 predicate places. [2021-03-26 13:42:53,125 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:42:53,125 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 284 places, 839 transitions, 23847 flow [2021-03-26 13:42:53,126 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 284 places, 839 transitions, 23847 flow [2021-03-26 13:42:53,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 283 places, 839 transitions, 23847 flow [2021-03-26 13:43:04,904 INFO L129 PetriNetUnfolder]: 0/24625 cut-off events. [2021-03-26 13:43:04,904 INFO L130 PetriNetUnfolder]: For 519620/539266 co-relation queries the response was YES. [2021-03-26 13:43:04,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101116 conditions, 24625 events. 0/24625 cut-off events. For 519620/539266 co-relation queries the response was YES. Maximal size of possible extension queue 2727. Compared 519866 event pairs, 0 based on Foata normal form. 137/23037 useless extension candidates. Maximal degree in co-relation 0. Up to 2446 conditions per place. [2021-03-26 13:43:05,175 INFO L142 LiptonReduction]: Number of co-enabled transitions 7202 [2021-03-26 13:43:05,274 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:43:05,274 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:43:05,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12149 [2021-03-26 13:43:05,274 INFO L480 AbstractCegarLoop]: Abstraction has has 283 places, 839 transitions, 23847 flow [2021-03-26 13:43:05,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:05,275 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:43:05,275 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:43:05,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 13:43:05,275 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:43:05,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:43:05,276 INFO L82 PathProgramCache]: Analyzing trace with hash 122469419, now seen corresponding path program 16 times [2021-03-26 13:43:05,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:43:05,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684903035] [2021-03-26 13:43:05,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:43:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:43:05,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:05,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:43:05,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:43:05,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:43:05,303 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:43:05,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:43:05,312 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:43:05,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:43:05,324 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:43:05,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:43:05,341 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:43:05,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:43:05,360 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:43:05,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:43:05,384 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.3 percent of original size [2021-03-26 13:43:05,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:43:05,440 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:43:05,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:43:05,486 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:43:05,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:43:05,528 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 13:43:05,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684903035] [2021-03-26 13:43:05,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:43:05,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:43:05,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175288776] [2021-03-26 13:43:05,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:43:05,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:43:05,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:43:05,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:43:05,530 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:43:05,531 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 839 transitions, 23847 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:05,531 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:43:05,531 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:43:05,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:43:38,150 INFO L129 PetriNetUnfolder]: 15482/60373 cut-off events. [2021-03-26 13:43:38,150 INFO L130 PetriNetUnfolder]: For 2417103/2457806 co-relation queries the response was YES. [2021-03-26 13:43:39,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 480691 conditions, 60373 events. 15482/60373 cut-off events. For 2417103/2457806 co-relation queries the response was YES. Maximal size of possible extension queue 6831. Compared 1053690 event pairs, 7836 based on Foata normal form. 62/58608 useless extension candidates. Maximal degree in co-relation 480567. Up to 13940 conditions per place. [2021-03-26 13:43:39,738 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 479 selfloop transitions, 559 changer transitions 2/1058 dead transitions. [2021-03-26 13:43:39,738 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 1058 transitions, 31003 flow [2021-03-26 13:43:39,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:43:39,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:43:39,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:43:39,744 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:43:39,744 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:43:39,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:43:39,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:43:39,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:43:39,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:39,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:39,747 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:43:39,747 INFO L185 Difference]: Start difference. First operand has 283 places, 839 transitions, 23847 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:43:39,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 1058 transitions, 31003 flow [2021-03-26 13:44:00,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 1058 transitions, 30063 flow, removed 372 selfloop flow, removed 2 redundant places. [2021-03-26 13:44:00,384 INFO L241 Difference]: Finished difference. Result has 300 places, 889 transitions, 26419 flow [2021-03-26 13:44:00,385 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=23069, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=839, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=509, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=26419, PETRI_PLACES=300, PETRI_TRANSITIONS=889} [2021-03-26 13:44:00,385 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 244 predicate places. [2021-03-26 13:44:00,385 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:44:00,385 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 300 places, 889 transitions, 26419 flow [2021-03-26 13:44:00,386 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 300 places, 889 transitions, 26419 flow [2021-03-26 13:44:00,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 889 transitions, 26419 flow [2021-03-26 13:44:12,687 INFO L129 PetriNetUnfolder]: 0/25438 cut-off events. [2021-03-26 13:44:12,687 INFO L130 PetriNetUnfolder]: For 609079/634367 co-relation queries the response was YES. [2021-03-26 13:44:12,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108384 conditions, 25438 events. 0/25438 cut-off events. For 609079/634367 co-relation queries the response was YES. Maximal size of possible extension queue 2723. Compared 540290 event pairs, 0 based on Foata normal form. 151/23782 useless extension candidates. Maximal degree in co-relation 0. Up to 2532 conditions per place. [2021-03-26 13:44:12,966 INFO L142 LiptonReduction]: Number of co-enabled transitions 7674 [2021-03-26 13:44:13,072 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:44:13,072 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:44:13,072 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12687 [2021-03-26 13:44:13,073 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 889 transitions, 26419 flow [2021-03-26 13:44:13,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:13,073 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:44:13,073 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:44:13,073 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 13:44:13,073 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:44:13,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:44:13,073 INFO L82 PathProgramCache]: Analyzing trace with hash 886203783, now seen corresponding path program 17 times [2021-03-26 13:44:13,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:44:13,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974085559] [2021-03-26 13:44:13,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:44:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:44:13,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:13,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:44:13,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:13,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:44:13,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:44:13,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:44:13,317 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:44:13,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:44:13,329 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:44:13,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:44:13,344 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:44:13,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:44:13,367 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:44:13,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:44:13,399 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 13:44:13,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:44:13,443 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 13:44:13,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:44:13,490 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:44:13,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:44:13,531 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 13:44:13,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974085559] [2021-03-26 13:44:13,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:44:13,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:44:13,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751795097] [2021-03-26 13:44:13,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:44:13,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:44:13,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:44:13,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:44:13,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:44:13,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 889 transitions, 26419 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:13,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:44:13,534 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:44:13,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:44:53,875 INFO L129 PetriNetUnfolder]: 16662/70860 cut-off events. [2021-03-26 13:44:53,876 INFO L130 PetriNetUnfolder]: For 3100228/3140699 co-relation queries the response was YES. [2021-03-26 13:44:55,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 571792 conditions, 70860 events. 16662/70860 cut-off events. For 3100228/3140699 co-relation queries the response was YES. Maximal size of possible extension queue 7967. Compared 1303079 event pairs, 7186 based on Foata normal form. 87/68162 useless extension candidates. Maximal degree in co-relation 571660. Up to 16228 conditions per place. [2021-03-26 13:44:55,799 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 820 selfloop transitions, 525 changer transitions 2/1365 dead transitions. [2021-03-26 13:44:55,800 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 1365 transitions, 42271 flow [2021-03-26 13:44:55,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:44:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:44:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:44:55,801 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:44:55,801 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:44:55,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:44:55,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:44:55,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:44:55,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:55,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:55,804 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:44:55,804 INFO L185 Difference]: Start difference. First operand has 299 places, 889 transitions, 26419 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:44:55,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 1365 transitions, 42271 flow [2021-03-26 13:45:33,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 1365 transitions, 41245 flow, removed 414 selfloop flow, removed 3 redundant places. [2021-03-26 13:45:33,692 INFO L241 Difference]: Finished difference. Result has 314 places, 1073 transitions, 33477 flow [2021-03-26 13:45:33,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=25921, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=889, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=341, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=33477, PETRI_PLACES=314, PETRI_TRANSITIONS=1073} [2021-03-26 13:45:33,693 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 258 predicate places. [2021-03-26 13:45:33,693 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:45:33,693 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 314 places, 1073 transitions, 33477 flow [2021-03-26 13:45:33,693 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 314 places, 1073 transitions, 33477 flow [2021-03-26 13:45:33,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 313 places, 1073 transitions, 33477 flow [2021-03-26 13:45:48,849 INFO L129 PetriNetUnfolder]: 0/32408 cut-off events. [2021-03-26 13:45:48,849 INFO L130 PetriNetUnfolder]: For 807441/830909 co-relation queries the response was YES. [2021-03-26 13:45:48,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144826 conditions, 32408 events. 0/32408 cut-off events. For 807441/830909 co-relation queries the response was YES. Maximal size of possible extension queue 3634. Compared 711760 event pairs, 0 based on Foata normal form. 289/30574 useless extension candidates. Maximal degree in co-relation 0. Up to 3172 conditions per place. [2021-03-26 13:45:49,240 INFO L142 LiptonReduction]: Number of co-enabled transitions 8712 [2021-03-26 13:45:49,390 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:45:49,390 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:45:49,391 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15698 [2021-03-26 13:45:49,391 INFO L480 AbstractCegarLoop]: Abstraction has has 313 places, 1073 transitions, 33477 flow [2021-03-26 13:45:49,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:49,391 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:45:49,391 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:45:49,391 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 13:45:49,391 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:45:49,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:45:49,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1743791231, now seen corresponding path program 18 times [2021-03-26 13:45:49,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:45:49,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685966203] [2021-03-26 13:45:49,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:45:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:45:49,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:49,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:45:49,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:45:49,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:45:49,420 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:45:49,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:45:49,428 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:45:49,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:45:49,440 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:45:49,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:45:49,456 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:45:49,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:45:49,475 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-26 13:45:49,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:45:49,544 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.3 percent of original size [2021-03-26 13:45:49,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:45:49,607 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:45:49,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:45:49,653 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:45:49,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:45:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:45:49,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685966203] [2021-03-26 13:45:49,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:45:49,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:45:49,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523833051] [2021-03-26 13:45:49,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:45:49,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:45:49,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:45:49,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:45:49,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:45:49,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 1073 transitions, 33477 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:45:49,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:45:49,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:45:49,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:46:33,510 INFO L129 PetriNetUnfolder]: 16774/74595 cut-off events. [2021-03-26 13:46:33,510 INFO L130 PetriNetUnfolder]: For 3266752/3311774 co-relation queries the response was YES. [2021-03-26 13:46:35,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 591564 conditions, 74595 events. 16774/74595 cut-off events. For 3266752/3311774 co-relation queries the response was YES. Maximal size of possible extension queue 8682. Compared 1393437 event pairs, 9057 based on Foata normal form. 75/72102 useless extension candidates. Maximal degree in co-relation 591426. Up to 17087 conditions per place. [2021-03-26 13:46:35,786 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 490 selfloop transitions, 754 changer transitions 2/1264 dead transitions. [2021-03-26 13:46:35,786 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 1264 transitions, 40807 flow [2021-03-26 13:46:35,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:46:35,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:46:35,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:46:35,787 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:46:35,787 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:46:35,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:46:35,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:46:35,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:46:35,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:35,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:35,790 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:46:35,790 INFO L185 Difference]: Start difference. First operand has 313 places, 1073 transitions, 33477 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:46:35,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 1264 transitions, 40807 flow [2021-03-26 13:47:11,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 1264 transitions, 39498 flow, removed 420 selfloop flow, removed 4 redundant places. [2021-03-26 13:47:11,043 INFO L241 Difference]: Finished difference. Result has 326 places, 1139 transitions, 36003 flow [2021-03-26 13:47:11,044 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=32458, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1073, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=688, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=36003, PETRI_PLACES=326, PETRI_TRANSITIONS=1139} [2021-03-26 13:47:11,044 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 270 predicate places. [2021-03-26 13:47:11,044 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:47:11,044 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 326 places, 1139 transitions, 36003 flow [2021-03-26 13:47:11,044 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 326 places, 1139 transitions, 36003 flow [2021-03-26 13:47:11,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 325 places, 1139 transitions, 36003 flow [2021-03-26 13:47:25,987 INFO L129 PetriNetUnfolder]: 0/35531 cut-off events. [2021-03-26 13:47:25,987 INFO L130 PetriNetUnfolder]: For 956322/982589 co-relation queries the response was YES. [2021-03-26 13:47:25,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162613 conditions, 35531 events. 0/35531 cut-off events. For 956322/982589 co-relation queries the response was YES. Maximal size of possible extension queue 3985. Compared 789410 event pairs, 0 based on Foata normal form. 304/33469 useless extension candidates. Maximal degree in co-relation 0. Up to 3483 conditions per place. [2021-03-26 13:47:26,434 INFO L142 LiptonReduction]: Number of co-enabled transitions 9300 [2021-03-26 13:47:26,833 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:47:26,833 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:47:26,833 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15789 [2021-03-26 13:47:26,833 INFO L480 AbstractCegarLoop]: Abstraction has has 325 places, 1139 transitions, 36003 flow [2021-03-26 13:47:26,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:26,834 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:47:26,834 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:47:26,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 13:47:26,834 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:47:26,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:47:26,834 INFO L82 PathProgramCache]: Analyzing trace with hash 128618733, now seen corresponding path program 19 times [2021-03-26 13:47:26,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:47:26,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761254160] [2021-03-26 13:47:26,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:47:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:47:26,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:26,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:47:26,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:47:26,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:47:26,865 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:47:26,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:47:26,874 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:47:26,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:47:26,890 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:47:26,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:47:26,907 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:47:26,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:47:26,931 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 13:47:26,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:47:26,960 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 13:47:26,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:47:26,998 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 13:47:26,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 13:47:27,044 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:47:27,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:47:27,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:47:27,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761254160] [2021-03-26 13:47:27,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:47:27,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:47:27,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296560932] [2021-03-26 13:47:27,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:47:27,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:47:27,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:47:27,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:47:27,080 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:47:27,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 1139 transitions, 36003 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:47:27,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:47:27,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:47:27,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:48:19,556 INFO L129 PetriNetUnfolder]: 16835/80311 cut-off events. [2021-03-26 13:48:19,557 INFO L130 PetriNetUnfolder]: For 3590214/3635483 co-relation queries the response was YES. [2021-03-26 13:48:21,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 630922 conditions, 80311 events. 16835/80311 cut-off events. For 3590214/3635483 co-relation queries the response was YES. Maximal size of possible extension queue 9239. Compared 1546635 event pairs, 9139 based on Foata normal form. 76/77241 useless extension candidates. Maximal degree in co-relation 630779. Up to 16959 conditions per place. [2021-03-26 13:48:22,054 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 593 selfloop transitions, 778 changer transitions 2/1391 dead transitions. [2021-03-26 13:48:22,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 1391 transitions, 45067 flow [2021-03-26 13:48:22,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:48:22,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:48:22,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:48:22,056 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:48:22,056 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:48:22,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:48:22,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:48:22,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:48:22,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:22,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:22,059 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:48:22,059 INFO L185 Difference]: Start difference. First operand has 325 places, 1139 transitions, 36003 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:48:22,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 1391 transitions, 45067 flow [2021-03-26 13:49:00,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 1391 transitions, 43723 flow, removed 263 selfloop flow, removed 4 redundant places. [2021-03-26 13:49:00,477 INFO L241 Difference]: Finished difference. Result has 339 places, 1263 transitions, 40596 flow [2021-03-26 13:49:00,477 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=34829, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=654, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=40596, PETRI_PLACES=339, PETRI_TRANSITIONS=1263} [2021-03-26 13:49:00,477 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 283 predicate places. [2021-03-26 13:49:00,478 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:49:00,478 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 339 places, 1263 transitions, 40596 flow [2021-03-26 13:49:00,478 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 339 places, 1263 transitions, 40596 flow [2021-03-26 13:49:00,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 338 places, 1263 transitions, 40596 flow [2021-03-26 13:49:16,308 INFO L129 PetriNetUnfolder]: 0/39400 cut-off events. [2021-03-26 13:49:16,308 INFO L130 PetriNetUnfolder]: For 1127324/1155040 co-relation queries the response was YES. [2021-03-26 13:49:16,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185011 conditions, 39400 events. 0/39400 cut-off events. For 1127324/1155040 co-relation queries the response was YES. Maximal size of possible extension queue 4426. Compared 886062 event pairs, 0 based on Foata normal form. 369/37138 useless extension candidates. Maximal degree in co-relation 0. Up to 3879 conditions per place. [2021-03-26 13:49:16,845 INFO L142 LiptonReduction]: Number of co-enabled transitions 10388 [2021-03-26 13:49:17,054 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:49:17,054 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:49:17,054 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16576 [2021-03-26 13:49:17,055 INFO L480 AbstractCegarLoop]: Abstraction has has 338 places, 1263 transitions, 40596 flow [2021-03-26 13:49:17,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:17,055 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:49:17,055 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:49:17,055 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 13:49:17,055 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:49:17,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:49:17,055 INFO L82 PathProgramCache]: Analyzing trace with hash -777763029, now seen corresponding path program 20 times [2021-03-26 13:49:17,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:49:17,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332255914] [2021-03-26 13:49:17,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:49:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:49:17,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:17,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:49:17,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:49:17,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:49:17,082 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:49:17,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:49:17,090 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:49:17,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:49:17,103 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:49:17,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:49:17,119 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:49:17,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:49:17,140 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:49:17,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:49:17,169 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 13:49:17,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:49:17,228 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:49:17,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:49:17,265 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:49:17,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:49:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:49:17,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332255914] [2021-03-26 13:49:17,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:49:17,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:49:17,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616844844] [2021-03-26 13:49:17,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:49:17,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:49:17,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:49:17,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:49:17,315 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:49:17,316 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 1263 transitions, 40596 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:49:17,316 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:49:17,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:49:17,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:50:08,752 INFO L129 PetriNetUnfolder]: 16764/80522 cut-off events. [2021-03-26 13:50:08,752 INFO L130 PetriNetUnfolder]: For 3827169/3872647 co-relation queries the response was YES. [2021-03-26 13:50:11,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 651503 conditions, 80522 events. 16764/80522 cut-off events. For 3827169/3872647 co-relation queries the response was YES. Maximal size of possible extension queue 9210. Compared 1556885 event pairs, 8935 based on Foata normal form. 102/77454 useless extension candidates. Maximal degree in co-relation 651354. Up to 18229 conditions per place. [2021-03-26 13:50:11,549 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 837 selfloop transitions, 771 changer transitions 2/1628 dead transitions. [2021-03-26 13:50:11,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 1628 transitions, 54204 flow [2021-03-26 13:50:11,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 13:50:11,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 13:50:11,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 13:50:11,551 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 13:50:11,551 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 13:50:11,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 13:50:11,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:50:11,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 13:50:11,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:11,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:11,554 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:50:11,554 INFO L185 Difference]: Start difference. First operand has 338 places, 1263 transitions, 40596 flow. Second operand 11 states and 1253 transitions. [2021-03-26 13:50:11,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 1628 transitions, 54204 flow [2021-03-26 13:50:58,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 1628 transitions, 52461 flow, removed 463 selfloop flow, removed 4 redundant places. [2021-03-26 13:50:58,092 INFO L241 Difference]: Finished difference. Result has 352 places, 1353 transitions, 44399 flow [2021-03-26 13:50:58,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=39217, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=681, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=44399, PETRI_PLACES=352, PETRI_TRANSITIONS=1353} [2021-03-26 13:50:58,093 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 296 predicate places. [2021-03-26 13:50:58,093 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:50:58,093 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 352 places, 1353 transitions, 44399 flow [2021-03-26 13:50:58,094 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 352 places, 1353 transitions, 44399 flow [2021-03-26 13:50:58,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 351 places, 1353 transitions, 44399 flow [2021-03-26 13:51:15,460 INFO L129 PetriNetUnfolder]: 0/40970 cut-off events. [2021-03-26 13:51:15,460 INFO L130 PetriNetUnfolder]: For 1240338/1270783 co-relation queries the response was YES. [2021-03-26 13:51:15,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197294 conditions, 40970 events. 0/40970 cut-off events. For 1240338/1270783 co-relation queries the response was YES. Maximal size of possible extension queue 4690. Compared 926467 event pairs, 0 based on Foata normal form. 327/38497 useless extension candidates. Maximal degree in co-relation 0. Up to 4034 conditions per place. [2021-03-26 13:51:15,975 INFO L142 LiptonReduction]: Number of co-enabled transitions 10990 [2021-03-26 13:51:16,238 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:51:16,239 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:51:16,239 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18146 [2021-03-26 13:51:16,239 INFO L480 AbstractCegarLoop]: Abstraction has has 351 places, 1353 transitions, 44399 flow [2021-03-26 13:51:16,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:51:16,239 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:51:16,239 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:51:16,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 13:51:16,240 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 13:51:16,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:51:16,240 INFO L82 PathProgramCache]: Analyzing trace with hash -582452607, now seen corresponding path program 21 times [2021-03-26 13:51:16,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:51:16,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538570963] [2021-03-26 13:51:16,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:51:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:51:16,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:51:16,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:51:16,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:51:16,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:51:16,265 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 13:51:16,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 13:51:16,273 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:51:16,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:51:16,285 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 13:51:16,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 13:51:16,302 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:51:16,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:51:16,324 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:51:16,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:51:16,351 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.3 percent of original size [2021-03-26 13:51:16,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:51:16,407 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:51:16,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:51:16,449 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 13:51:16,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:51:16,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:51:16,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538570963] [2021-03-26 13:51:16,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:51:16,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 13:51:16,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106351515] [2021-03-26 13:51:16,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 13:51:16,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:51:16,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 13:51:16,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 13:51:16,487 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 13:51:16,488 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 1353 transitions, 44399 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 13:51:16,488 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:51:16,488 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 13:51:16,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-03-26 13:51:22,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 13:51:22,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 13:51:22,329 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 13:51:22,332 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 13:51:22,332 INFO L202 PluginConnector]: Adding new model example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 01:51:22 BasicIcfg [2021-03-26 13:51:22,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 13:51:22,333 INFO L168 Benchmark]: Toolchain (without parser) took 753955.18 ms. Allocated memory was 255.9 MB in the beginning and 15.8 GB in the end (delta: 15.6 GB). Free memory was 236.5 MB in the beginning and 8.7 GB in the end (delta: -8.4 GB). Peak memory consumption was 7.8 GB. Max. memory is 16.0 GB. [2021-03-26 13:51:22,333 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.45 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 162.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 13:51:22,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.60 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 234.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 13:51:22,333 INFO L168 Benchmark]: Boogie Preprocessor took 11.23 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 234.0 MB in the end (delta: 918.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 13:51:22,333 INFO L168 Benchmark]: RCFGBuilder took 200.43 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 238.1 MB in the end (delta: -4.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. [2021-03-26 13:51:22,334 INFO L168 Benchmark]: TraceAbstraction took 753717.72 ms. Allocated memory was 255.9 MB in the beginning and 15.8 GB in the end (delta: 15.6 GB). Free memory was 238.1 MB in the beginning and 8.7 GB in the end (delta: -8.4 GB). Peak memory consumption was 7.8 GB. Max. memory is 16.0 GB. [2021-03-26 13:51:22,334 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 0.45 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 162.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.60 ms. Allocated memory is still 255.9 MB. Free memory was 236.5 MB in the beginning and 234.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 11.23 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 234.0 MB in the end (delta: 918.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 200.43 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 238.1 MB in the end (delta: -4.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 753717.72 ms. Allocated memory was 255.9 MB in the beginning and 15.8 GB in the end (delta: 15.6 GB). Free memory was 238.1 MB in the beginning and 8.7 GB in the end (delta: -8.4 GB). Peak memory consumption was 7.8 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 436.7ms, 65 PlacesBefore, 56 PlacesAfterwards, 109 TransitionsBefore, 100 TransitionsAfterwards, 2736 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 756 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 756, positive: 756, positive conditional: 756, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 756, positive: 756, positive conditional: 0, positive unconditional: 756, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 756, positive: 756, positive conditional: 0, positive unconditional: 756, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 756, positive: 756, positive conditional: 0, positive unconditional: 756, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 756, positive: 756, positive conditional: 0, positive unconditional: 756, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 756, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 756, unknown conditional: 0, unknown unconditional: 756] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 96.2ms, 40 PlacesBefore, 40 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 1216 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 90.0ms, 41 PlacesBefore, 41 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 1200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.6ms, 42 PlacesBefore, 42 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 1168 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.8ms, 43 PlacesBefore, 43 PlacesAfterwards, 86 TransitionsBefore, 86 TransitionsAfterwards, 1072 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.3ms, 44 PlacesBefore, 44 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 1024 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.3ms, 45 PlacesBefore, 45 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 656 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.7ms, 46 PlacesBefore, 46 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 380 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.9ms, 64 PlacesBefore, 63 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 570 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56.3ms, 80 PlacesBefore, 80 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 982 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 95.3ms, 98 PlacesBefore, 98 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 1354 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 254.5ms, 116 PlacesBefore, 116 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 2038 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 444.4ms, 134 PlacesBefore, 134 PlacesAfterwards, 129 TransitionsBefore, 129 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): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 937.7ms, 152 PlacesBefore, 152 PlacesAfterwards, 172 TransitionsBefore, 172 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): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, 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, 153 PlacesBefore, 148 PlacesAfterwards, 150 TransitionsBefore, 150 TransitionsAfterwards, 1560 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 589.4ms, 158 PlacesBefore, 157 PlacesAfterwards, 182 TransitionsBefore, 182 TransitionsAfterwards, 1924 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1358.5ms, 174 PlacesBefore, 173 PlacesAfterwards, 263 TransitionsBefore, 263 TransitionsAfterwards, 2594 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2541.8ms, 189 PlacesBefore, 188 PlacesAfterwards, 333 TransitionsBefore, 333 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): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3256.7ms, 205 PlacesBefore, 204 PlacesAfterwards, 401 TransitionsBefore, 401 TransitionsAfterwards, 3468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4237.8ms, 221 PlacesBefore, 220 PlacesAfterwards, 462 TransitionsBefore, 462 TransitionsAfterwards, 4110 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5068.5ms, 237 PlacesBefore, 236 PlacesAfterwards, 530 TransitionsBefore, 530 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): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7846.8ms, 253 PlacesBefore, 252 PlacesAfterwards, 587 TransitionsBefore, 587 TransitionsAfterwards, 5130 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10377.6ms, 268 PlacesBefore, 267 PlacesAfterwards, 710 TransitionsBefore, 710 TransitionsAfterwards, 6112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12148.4ms, 284 PlacesBefore, 283 PlacesAfterwards, 839 TransitionsBefore, 839 TransitionsAfterwards, 7202 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12686.4ms, 300 PlacesBefore, 299 PlacesAfterwards, 889 TransitionsBefore, 889 TransitionsAfterwards, 7674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15697.3ms, 314 PlacesBefore, 313 PlacesAfterwards, 1073 TransitionsBefore, 1073 TransitionsAfterwards, 8712 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15788.5ms, 326 PlacesBefore, 325 PlacesAfterwards, 1139 TransitionsBefore, 1139 TransitionsAfterwards, 9300 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16576.5ms, 339 PlacesBefore, 338 PlacesAfterwards, 1263 TransitionsBefore, 1263 TransitionsAfterwards, 10388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18144.9ms, 352 PlacesBefore, 351 PlacesAfterwards, 1353 TransitionsBefore, 1353 TransitionsAfterwards, 10990 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 756, Positive cache size: 756, Positive conditional cache size: 0, Positive unconditional cache size: 756, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - TimeoutResultAtElement [Line: 31]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 31). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (11states, 109/129 universal loopers) in iteration 29,while PetriNetUnfolder was constructing finite prefix that currently has 114933 conditions, 7251 events (4150/7250 cut-off events. For 1179255/1227944 co-relation queries the response was YES. Maximal size of possible extension queue 5240. Compared 87902 event pairs, 2632 based on Foata normal form. 140/12208 useless extension candidates. Maximal degree in co-relation 114783. Up to 3340 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 149.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 753517.5ms, OverallIterations: 29, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 616472.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 835.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 905 SDtfs, 976 SDslu, 873 SDs, 0 SdLazy, 1638 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1595.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 5848.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=44399occurred in iteration=28, InterpolantAutomatonStates: 244, 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: 39.2ms SsaConstructionTime, 159.4ms SatisfiabilityAnalysisTime, 6604.7ms InterpolantComputationTime, 812 NumberOfCodeBlocks, 812 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 783 ConstructedInterpolants, 0 QuantifiedInterpolants, 20698 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 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