/usr/bin/java -Xmx8000000000 -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-NoLbe-OGIterative.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 03:32:32,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 03:32:32,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 03:32:32,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 03:32:32,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 03:32:32,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 03:32:32,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 03:32:32,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 03:32:32,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 03:32:32,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 03:32:32,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 03:32:32,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 03:32:32,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 03:32:32,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 03:32:32,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 03:32:32,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 03:32:32,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 03:32:32,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 03:32:32,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 03:32:32,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 03:32:32,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 03:32:32,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 03:32:32,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 03:32:32,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 03:32:32,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 03:32:32,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 03:32:32,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 03:32:32,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 03:32:32,685 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-NoLbe-OGIterative.epf [2021-08-13 03:32:32,711 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 03:32:32,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 03:32:32,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 03:32:32,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 03:32:32,714 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 03:32:32,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 03:32:32,714 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 03:32:32,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 03:32:32,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 03:32:32,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 03:32:32,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 03:32:32,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 03:32:32,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 03:32:32,716 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 03:32:32,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 03:32:32,716 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 03:32:32,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 03:32:32,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 03:32:32,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 03:32:32,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 03:32:32,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 03:32:32,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 03:32:32,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 03:32:32,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 03:32:32,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 03:32:32,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 03:32:32,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 03:32:32,717 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 03:32:32,718 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 03:32:32,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 03:32:32,718 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 03:32:32,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 03:32:32,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 03:32:32,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 03:32:32,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 03:32:32,983 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-13 03:32:32,984 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-13 03:32:32,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl [2021-08-13 03:32:32,984 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl' [2021-08-13 03:32:33,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 03:32:33,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-13 03:32:33,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 03:32:33,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 03:32:33,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 03:32:33,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:32:33" (1/1) ... [2021-08-13 03:32:33,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:32:33" (1/1) ... [2021-08-13 03:32:33,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 03:32:33,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 03:32:33,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 03:32:33,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 03:32:33,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:32:33" (1/1) ... [2021-08-13 03:32:33,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:32:33" (1/1) ... [2021-08-13 03:32:33,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:32:33" (1/1) ... [2021-08-13 03:32:33,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:32:33" (1/1) ... [2021-08-13 03:32:33,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:32:33" (1/1) ... [2021-08-13 03:32:33,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:32:33" (1/1) ... [2021-08-13 03:32:33,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:32:33" (1/1) ... [2021-08-13 03:32:33,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 03:32:33,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 03:32:33,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 03:32:33,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 03:32:33,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:32:33" (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 [2021-08-13 03:32:33,086 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-13 03:32:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-13 03:32:33,087 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-13 03:32:33,087 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-13 03:32:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-13 03:32:33,087 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-13 03:32:33,087 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-13 03:32:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 03:32:33,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 03:32:33,087 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-13 03:32:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-13 03:32:33,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-13 03:32:33,088 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-13 03:32:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-13 03:32:33,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-13 03:32:33,088 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-08-13 03:32:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-08-13 03:32:33,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-08-13 03:32:33,089 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 03:32:33,245 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 03:32:33,246 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-13 03:32:33,247 INFO L202 PluginConnector]: Adding new model min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 03:32:33 BoogieIcfgContainer [2021-08-13 03:32:33,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 03:32:33,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 03:32:33,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 03:32:33,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 03:32:33,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 03:32:33" (1/2) ... [2021-08-13 03:32:33,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f04b51 and model type min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 03:32:33, skipping insertion in model container [2021-08-13 03:32:33,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 03:32:33" (2/2) ... [2021-08-13 03:32:33,252 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-inc-dec.wvr.bpl [2021-08-13 03:32:33,255 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 03:32:33,256 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 03:32:33,256 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 03:32:33,299 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-08-13 03:32:33,314 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-13 03:32:33,327 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 03:32:33,327 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 03:32:33,327 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 03:32:33,328 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 03:32:33,328 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 03:32:33,328 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 03:32:33,328 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 03:32:33,328 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 03:32:33,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 42 transitions, 124 flow [2021-08-13 03:32:33,354 INFO L129 PetriNetUnfolder]: 4/37 cut-off events. [2021-08-13 03:32:33,354 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-08-13 03:32:33,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 37 events. 4/37 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 81 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2021-08-13 03:32:33,356 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 42 transitions, 124 flow [2021-08-13 03:32:33,359 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 35 transitions, 100 flow [2021-08-13 03:32:33,368 INFO L129 PetriNetUnfolder]: 4/34 cut-off events. [2021-08-13 03:32:33,368 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-08-13 03:32:33,368 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:32:33,369 INFO L266 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] [2021-08-13 03:32:33,369 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:32:33,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:32:33,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1748990736, now seen corresponding path program 1 times [2021-08-13 03:32:33,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:32:33,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017783630] [2021-08-13 03:32:33,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:32:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:32:33,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:33,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:33,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:33,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:32:33,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:33,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:32:33,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:33,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:33,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:33,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:33,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:32:33,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:32:33,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017783630] [2021-08-13 03:32:33,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017783630] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:32:33,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:32:33,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 03:32:33,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337416451] [2021-08-13 03:32:33,517 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 03:32:33,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:32:33,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 03:32:33,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 03:32:33,527 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 42 [2021-08-13 03:32:33,529 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 35 transitions, 100 flow. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:33,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:32:33,529 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 42 [2021-08-13 03:32:33,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:32:33,680 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([129] thread2EXIT-->L85: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][49], [48#true, 33#thread5ENTRYtrue, 51#true, 20#L85true, 53#true, 55#true, 56#true, 8#L51-1true, 60#(= max (select A 0)), 14#L62-1true]) [2021-08-13 03:32:33,681 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is not cut-off event [2021-08-13 03:32:33,681 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 03:32:33,681 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 03:32:33,681 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 03:32:33,691 INFO L129 PetriNetUnfolder]: 186/448 cut-off events. [2021-08-13 03:32:33,691 INFO L130 PetriNetUnfolder]: For 65/65 co-relation queries the response was YES. [2021-08-13 03:32:33,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 751 conditions, 448 events. 186/448 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2352 event pairs, 16 based on Foata normal form. 4/393 useless extension candidates. Maximal degree in co-relation 699. Up to 155 conditions per place. [2021-08-13 03:32:33,698 INFO L132 encePairwiseOnDemand]: 34/42 looper letters, 15 selfloop transitions, 11 changer transitions 18/70 dead transitions. [2021-08-13 03:32:33,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 70 transitions, 258 flow [2021-08-13 03:32:33,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 03:32:33,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 03:32:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 336 transitions. [2021-08-13 03:32:33,707 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-08-13 03:32:33,707 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 336 transitions. [2021-08-13 03:32:33,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 336 transitions. [2021-08-13 03:32:33,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:32:33,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 336 transitions. [2021-08-13 03:32:33,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 37.333333333333336) internal successors, (336), 9 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:33,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 42.0) internal successors, (420), 10 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:33,718 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 42.0) internal successors, (420), 10 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:33,719 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 8 predicate places. [2021-08-13 03:32:33,719 INFO L482 AbstractCegarLoop]: Abstraction has has 55 places, 70 transitions, 258 flow [2021-08-13 03:32:33,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:33,719 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:32:33,719 INFO L266 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] [2021-08-13 03:32:33,719 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 03:32:33,720 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:32:33,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:32:33,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1402201258, now seen corresponding path program 2 times [2021-08-13 03:32:33,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:32:33,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239737614] [2021-08-13 03:32:33,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:32:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:32:33,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:33,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-08-13 03:32:33,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:33,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:33,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:33,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:33,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:32:33,761 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:32:33,761 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239737614] [2021-08-13 03:32:33,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239737614] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:32:33,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:32:33,762 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 03:32:33,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591040169] [2021-08-13 03:32:33,763 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 03:32:33,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:32:33,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 03:32:33,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 03:32:33,764 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 42 [2021-08-13 03:32:33,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 70 transitions, 258 flow. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:33,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:32:33,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 42 [2021-08-13 03:32:33,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:32:33,796 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][40], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 26#thread1ENTRYtrue]) [2021-08-13 03:32:33,796 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:32:33,796 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:33,796 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:33,796 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:33,799 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][40], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 46#L25true, 14#L62-1true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 03:32:33,799 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:32:33,799 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:33,799 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:33,799 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:33,801 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][40], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 26#thread1ENTRYtrue, 58#true]) [2021-08-13 03:32:33,801 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:32:33,802 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:33,802 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:33,802 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:32:33,802 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:33,804 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][40], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 46#L25true, 14#L62-1true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 03:32:33,804 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:32:33,804 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:33,804 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:32:33,804 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:33,804 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:33,815 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([129] thread2EXIT-->L85: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][54], [48#true, 33#thread5ENTRYtrue, 51#true, 20#L85true, 53#true, 55#true, 72#true, 8#L51-1true, 56#true, 60#(= max (select A 0)), 14#L62-1true]) [2021-08-13 03:32:33,815 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is not cut-off event [2021-08-13 03:32:33,815 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 03:32:33,816 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 03:32:33,816 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 03:32:33,825 INFO L129 PetriNetUnfolder]: 238/585 cut-off events. [2021-08-13 03:32:33,825 INFO L130 PetriNetUnfolder]: For 152/159 co-relation queries the response was YES. [2021-08-13 03:32:33,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1045 conditions, 585 events. 238/585 cut-off events. For 152/159 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 3342 event pairs, 16 based on Foata normal form. 5/518 useless extension candidates. Maximal degree in co-relation 969. Up to 179 conditions per place. [2021-08-13 03:32:33,830 INFO L132 encePairwiseOnDemand]: 38/42 looper letters, 6 selfloop transitions, 4 changer transitions 21/75 dead transitions. [2021-08-13 03:32:33,830 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 75 transitions, 306 flow [2021-08-13 03:32:33,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:32:33,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:32:33,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 192 transitions. [2021-08-13 03:32:33,832 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9142857142857143 [2021-08-13 03:32:33,832 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 192 transitions. [2021-08-13 03:32:33,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 192 transitions. [2021-08-13 03:32:33,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:32:33,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 192 transitions. [2021-08-13 03:32:33,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:33,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:33,834 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:33,834 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 12 predicate places. [2021-08-13 03:32:33,834 INFO L482 AbstractCegarLoop]: Abstraction has has 59 places, 75 transitions, 306 flow [2021-08-13 03:32:33,835 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:33,835 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:32:33,835 INFO L266 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] [2021-08-13 03:32:33,835 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 03:32:33,835 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:32:33,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:32:33,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1804978774, now seen corresponding path program 3 times [2021-08-13 03:32:33,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:32:33,836 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98052975] [2021-08-13 03:32:33,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:32:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:32:33,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:33,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:33,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:33,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:32:33,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:33,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:32:33,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:33,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:33,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:33,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:33,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:32:33,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:32:33,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98052975] [2021-08-13 03:32:33,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98052975] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:32:33,902 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:32:33,902 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 03:32:33,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071759106] [2021-08-13 03:32:33,903 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 03:32:33,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:32:33,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 03:32:33,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 03:32:33,907 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 42 [2021-08-13 03:32:33,907 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 75 transitions, 306 flow. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:33,907 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:32:33,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 42 [2021-08-13 03:32:33,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:32:34,052 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][50], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 26#thread1ENTRYtrue]) [2021-08-13 03:32:34,052 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:32:34,052 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,052 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,052 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,065 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][50], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 26#thread1ENTRYtrue]) [2021-08-13 03:32:34,065 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:32:34,066 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,066 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,066 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,066 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:32:34,077 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][59], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 46#L25true, 81#(= min (select A 0)), 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 03:32:34,077 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-08-13 03:32:34,077 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-08-13 03:32:34,077 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-08-13 03:32:34,077 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-08-13 03:32:34,079 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][59], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 46#L25true, 14#L62-1true, 81#(= min (select A 0)), 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 03:32:34,080 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:32:34,080 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:32:34,080 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,080 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,080 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,089 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][50], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 03:32:34,089 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 03:32:34,089 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,089 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,090 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,091 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][50], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 46#L25true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 03:32:34,091 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-08-13 03:32:34,091 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-08-13 03:32:34,091 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-08-13 03:32:34,091 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-08-13 03:32:34,097 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][50], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 03:32:34,097 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 03:32:34,097 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,097 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,097 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,097 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 03:32:34,098 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([129] thread2EXIT-->L85: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][77], [48#true, 33#thread5ENTRYtrue, 51#true, 20#L85true, 53#true, 55#true, 56#true, 72#true, 8#L51-1true, 60#(= max (select A 0)), 14#L62-1true, 79#true]) [2021-08-13 03:32:34,098 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 03:32:34,098 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:34,098 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 03:32:34,098 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:34,103 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([129] thread2EXIT-->L85: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][77], [48#true, 33#thread5ENTRYtrue, 51#true, 20#L85true, 53#true, 55#true, 72#true, 56#true, 8#L51-1true, 60#(= max (select A 0)), 14#L62-1true, 79#true]) [2021-08-13 03:32:34,104 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is not cut-off event [2021-08-13 03:32:34,104 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 03:32:34,104 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-08-13 03:32:34,104 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-08-13 03:32:34,104 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 03:32:34,108 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([130] thread3EXIT-->L86: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar2_4) (= 3 v_thread3Thread1of1ForFork2_thidvar1_4) (= 3 v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][110], [48#true, 33#thread5ENTRYtrue, 51#true, 52#true, 55#true, 72#true, 56#true, 40#L86true, 58#true, 14#L62-1true, 79#true]) [2021-08-13 03:32:34,109 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is not cut-off event [2021-08-13 03:32:34,109 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is not cut-off event [2021-08-13 03:32:34,109 INFO L387 tUnfolder$Statistics]: existing Event has 25 ancestors and is not cut-off event [2021-08-13 03:32:34,111 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is not cut-off event [2021-08-13 03:32:34,119 INFO L129 PetriNetUnfolder]: 358/890 cut-off events. [2021-08-13 03:32:34,119 INFO L130 PetriNetUnfolder]: For 407/553 co-relation queries the response was YES. [2021-08-13 03:32:34,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2016 conditions, 890 events. 358/890 cut-off events. For 407/553 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 5822 event pairs, 4 based on Foata normal form. 30/821 useless extension candidates. Maximal degree in co-relation 1899. Up to 320 conditions per place. [2021-08-13 03:32:34,130 INFO L132 encePairwiseOnDemand]: 34/42 looper letters, 28 selfloop transitions, 15 changer transitions 50/119 dead transitions. [2021-08-13 03:32:34,130 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 119 transitions, 680 flow [2021-08-13 03:32:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 03:32:34,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 03:32:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 334 transitions. [2021-08-13 03:32:34,132 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8835978835978836 [2021-08-13 03:32:34,132 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 334 transitions. [2021-08-13 03:32:34,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 334 transitions. [2021-08-13 03:32:34,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:32:34,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 334 transitions. [2021-08-13 03:32:34,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 37.111111111111114) internal successors, (334), 9 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:34,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 42.0) internal successors, (420), 10 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:34,135 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 42.0) internal successors, (420), 10 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:34,136 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 20 predicate places. [2021-08-13 03:32:34,136 INFO L482 AbstractCegarLoop]: Abstraction has has 67 places, 119 transitions, 680 flow [2021-08-13 03:32:34,136 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:34,136 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:32:34,136 INFO L266 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] [2021-08-13 03:32:34,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 03:32:34,136 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:32:34,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:32:34,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1060837108, now seen corresponding path program 4 times [2021-08-13 03:32:34,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:32:34,138 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546133087] [2021-08-13 03:32:34,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:32:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:32:34,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-08-13 03:32:34,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:32:34,194 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:32:34,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546133087] [2021-08-13 03:32:34,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546133087] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:32:34,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:32:34,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 03:32:34,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959094148] [2021-08-13 03:32:34,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 03:32:34,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:32:34,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 03:32:34,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 03:32:34,201 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 42 [2021-08-13 03:32:34,204 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 119 transitions, 680 flow. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:34,204 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:32:34,204 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 42 [2021-08-13 03:32:34,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:32:34,237 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][56], [98#(and v_assert (not b1)), 34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 26#thread1ENTRYtrue]) [2021-08-13 03:32:34,238 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:32:34,238 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,238 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,238 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,239 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][30], [34#L83true, 39#thread5FINALtrue, 8#L51-1true, 44#L27-1true, 77#(and v_assert (not b2)), 14#L62-1true, 79#true, 49#true, 51#true, 19#thread2ENTRYtrue, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:34,239 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-08-13 03:32:34,239 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-08-13 03:32:34,240 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-08-13 03:32:34,240 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-08-13 03:32:34,240 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][59], [34#L83true, 39#thread5FINALtrue, 8#L51-1true, 44#L27-1true, 77#(and v_assert (not b2)), 14#L62-1true, 79#true, 49#true, 51#true, 53#true, 22#L38true, 55#true, 57#true, 60#(= max (select A 0)), 93#true]) [2021-08-13 03:32:34,240 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,240 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,240 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,240 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:32:34,240 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][30], [34#L83true, 39#thread5FINALtrue, 8#L51-1true, 44#L27-1true, 77#(and v_assert (not b2)), 14#L62-1true, 79#true, 49#true, 51#true, 19#thread2ENTRYtrue, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:34,240 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:32:34,241 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,241 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:32:34,241 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,241 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,243 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][88], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:34,243 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,243 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,243 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,243 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,248 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][61], [98#(and v_assert (not b1)), 34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 46#L25true, 14#L62-1true, 81#(= min (select A 0)), 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 03:32:34,248 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,248 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,248 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:32:34,248 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,249 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][56], [34#L83true, 98#(and v_assert (not b1)), 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 26#thread1ENTRYtrue]) [2021-08-13 03:32:34,249 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 03:32:34,249 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,250 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:32:34,250 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,250 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 03:32:34,251 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][59], [34#L83true, 39#thread5FINALtrue, 8#L51-1true, 44#L27-1true, 77#(and v_assert (not b2)), 14#L62-1true, 79#true, 49#true, 51#true, 53#true, 22#L38true, 55#true, 57#true, 60#(= max (select A 0)), 93#true]) [2021-08-13 03:32:34,251 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:32:34,251 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,251 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,251 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,251 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:32:34,252 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][88], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:34,252 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,252 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,252 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,252 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,252 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,255 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][61], [34#L83true, 98#(and v_assert (not b1)), 39#thread5FINALtrue, 72#true, 8#L51-1true, 46#L25true, 14#L62-1true, 81#(= min (select A 0)), 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 03:32:34,255 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:32:34,255 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,256 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:32:34,256 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,256 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 03:32:34,256 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][88], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:34,256 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,256 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,256 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,256 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,256 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,256 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,256 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][56], [34#L83true, 98#(and v_assert (not b1)), 39#thread5FINALtrue, 72#true, 8#L51-1true, 46#L25true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 03:32:34,257 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 03:32:34,257 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:32:34,257 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:32:34,257 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 03:32:34,264 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][80], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 60#(= max (select A 0)), 93#true]) [2021-08-13 03:32:34,264 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is not cut-off event [2021-08-13 03:32:34,264 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-08-13 03:32:34,264 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-08-13 03:32:34,264 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-08-13 03:32:34,264 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][88], [34#L83true, 39#thread5FINALtrue, 8#L51-1true, 72#true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:34,265 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,265 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,266 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,267 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,267 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,267 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,267 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,268 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][80], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 60#(= max (select A 0)), 93#true]) [2021-08-13 03:32:34,268 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,268 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:32:34,268 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,268 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:32:34,268 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:32:34,269 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][79], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 81#(= min (select A 0)), 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:34,269 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is not cut-off event [2021-08-13 03:32:34,269 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-08-13 03:32:34,269 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-08-13 03:32:34,269 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-08-13 03:32:34,270 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][79], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 81#(= min (select A 0)), 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:34,270 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,270 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:32:34,270 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:32:34,270 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 03:32:34,270 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,278 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][30], [34#L83true, 39#thread5FINALtrue, 8#L51-1true, 44#L27-1true, 77#(and v_assert (not b2)), 14#L62-1true, 79#true, 49#true, 51#true, 53#true, 22#L38true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:34,278 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-08-13 03:32:34,278 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-08-13 03:32:34,278 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-08-13 03:32:34,278 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-08-13 03:32:34,279 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][88], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:34,279 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 03:32:34,279 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,279 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,279 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,279 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,279 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,279 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,279 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,288 INFO L382 tUnfolder$Statistics]: inserting event number 9 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][88], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:34,288 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 03:32:34,288 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,288 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,288 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 03:32:34,288 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,288 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,288 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,288 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,288 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:34,288 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([129] thread2EXIT-->L85: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][92], [33#thread5ENTRYtrue, 72#true, 8#L51-1true, 14#L62-1true, 79#true, 48#true, 51#true, 20#L85true, 53#true, 55#true, 56#true, 60#(= max (select A 0)), 93#true]) [2021-08-13 03:32:34,288 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 03:32:34,288 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:34,289 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:34,289 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 03:32:34,301 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([129] thread2EXIT-->L85: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][92], [33#thread5ENTRYtrue, 72#true, 8#L51-1true, 14#L62-1true, 79#true, 48#true, 51#true, 20#L85true, 53#true, 55#true, 56#true, 60#(= max (select A 0)), 93#true]) [2021-08-13 03:32:34,301 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is not cut-off event [2021-08-13 03:32:34,301 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 03:32:34,301 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-08-13 03:32:34,301 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 03:32:34,301 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-08-13 03:32:34,323 INFO L129 PetriNetUnfolder]: 486/1322 cut-off events. [2021-08-13 03:32:34,323 INFO L130 PetriNetUnfolder]: For 937/1103 co-relation queries the response was YES. [2021-08-13 03:32:34,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3051 conditions, 1322 events. 486/1322 cut-off events. For 937/1103 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 10239 event pairs, 20 based on Foata normal form. 12/1204 useless extension candidates. Maximal degree in co-relation 2883. Up to 404 conditions per place. [2021-08-13 03:32:34,369 INFO L132 encePairwiseOnDemand]: 38/42 looper letters, 8 selfloop transitions, 2 changer transitions 65/132 dead transitions. [2021-08-13 03:32:34,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 132 transitions, 846 flow [2021-08-13 03:32:34,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:32:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:32:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 192 transitions. [2021-08-13 03:32:34,371 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9142857142857143 [2021-08-13 03:32:34,371 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 192 transitions. [2021-08-13 03:32:34,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 192 transitions. [2021-08-13 03:32:34,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:32:34,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 192 transitions. [2021-08-13 03:32:34,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:34,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:34,373 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:34,373 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 24 predicate places. [2021-08-13 03:32:34,373 INFO L482 AbstractCegarLoop]: Abstraction has has 71 places, 132 transitions, 846 flow [2021-08-13 03:32:34,373 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:34,373 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:32:34,373 INFO L266 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, 1] [2021-08-13 03:32:34,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 03:32:34,373 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:32:34,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:32:34,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1064346144, now seen corresponding path program 1 times [2021-08-13 03:32:34,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:32:34,375 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791494274] [2021-08-13 03:32:34,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:32:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:32:34,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,455 INFO L142 QuantifierPusher]: treesize reduction 24, result has 59.3 percent of original size [2021-08-13 03:32:34,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 03:32:34,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:32:34,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:32:34,502 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:32:34,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791494274] [2021-08-13 03:32:34,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791494274] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:32:34,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55052290] [2021-08-13 03:32:34,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:32:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:32:34,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-13 03:32:34,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:32:34,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:32:34,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:32:34,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:32:34,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:32:34,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:34,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:34,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:34,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:32:34,760 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55052290] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:32:34,760 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-13 03:32:34,760 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-08-13 03:32:34,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680522184] [2021-08-13 03:32:34,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 03:32:34,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:32:34,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 03:32:34,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-08-13 03:32:34,761 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 03:32:34,762 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 132 transitions, 846 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:34,762 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:32:34,762 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 03:32:34,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:32:36,075 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][115], [34#L83true, 100#true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:36,075 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 03:32:36,075 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:36,075 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:36,075 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:36,645 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][115], [34#L83true, 100#true, 39#thread5FINALtrue, 72#true, 44#L27-1true, 14#L62-1true, 79#true, 15#L51true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:36,645 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 03:32:36,645 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 03:32:36,645 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 03:32:36,645 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 03:32:36,661 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][115], [34#L83true, 36#thread3FINALtrue, 100#true, 39#thread5FINALtrue, 72#true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:36,661 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 03:32:36,661 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 03:32:36,661 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 03:32:36,662 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 03:32:37,368 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([114] L62-->L62-1: Formula: (and (= (store v_A_14 v_l_8 (+ (select v_A_14 v_l_8) (- 1))) v_A_13) (= v_l_7 (+ v_l_8 1))) InVars {A=v_A_14, l=v_l_8} OutVars{A=v_A_13, l=v_l_7} AuxVars[] AssignedVars[A, l][54], [34#L83true, 100#true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 9#thread1FINALtrue, 14#L62-1true, 79#true, 49#true, 51#true, 53#true, 21#L40-1true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:37,368 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 03:32:37,368 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 03:32:37,368 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 03:32:37,368 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 03:32:38,458 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 18#L40true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:38,458 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 03:32:38,458 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,458 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,458 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,458 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true, 93#true, 30#thread2FINALtrue]) [2021-08-13 03:32:38,458 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 03:32:38,459 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,459 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,459 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,505 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 18#L40true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 03:32:38,506 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 03:32:38,506 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,506 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,506 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,506 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true, 30#thread2FINALtrue]) [2021-08-13 03:32:38,506 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 03:32:38,506 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,506 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,506 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,540 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 93#true, 62#v_assert]) [2021-08-13 03:32:38,540 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 03:32:38,540 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,540 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,540 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,540 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 93#true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 03:32:38,540 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 03:32:38,540 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,540 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,540 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,570 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 62#v_assert]) [2021-08-13 03:32:38,570 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 03:32:38,570 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,570 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,570 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,570 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 03:32:38,570 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 03:32:38,570 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,570 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,570 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:38,599 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 15#L51true, 49#true, 18#L40true, 83#v_assert, 51#true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:38,599 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,599 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,599 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,599 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,599 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 15#L51true, 49#true, 83#v_assert, 51#true, 53#true, 55#true, 57#true, 58#true, 93#true, 30#thread2FINALtrue]) [2021-08-13 03:32:38,599 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,599 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,599 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,599 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,600 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [34#L83true, 194#(and (<= l i) (< l N)), 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 18#L40true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:38,600 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,600 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,600 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,600 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,601 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [34#L83true, 194#(and (<= l i) (< l N)), 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true, 93#true, 30#thread2FINALtrue]) [2021-08-13 03:32:38,601 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,601 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,601 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,601 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,612 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [96#v_assert, 194#(and (<= l i) (< l N)), 34#L83true, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 15#L51true, 49#true, 18#L40true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 03:32:38,612 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,612 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,612 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,612 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,612 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [96#v_assert, 194#(and (<= l i) (< l N)), 34#L83true, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 15#L51true, 49#true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true, 30#thread2FINALtrue]) [2021-08-13 03:32:38,612 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,612 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,612 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,612 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,614 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 18#L40true, 83#v_assert, 51#true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 03:32:38,614 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,614 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,614 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,614 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,614 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 83#v_assert, 51#true, 53#true, 55#true, 57#true, 58#true, 30#thread2FINALtrue]) [2021-08-13 03:32:38,614 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,614 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,614 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,614 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,718 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [194#(and (<= l i) (< l N)), 34#L83true, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 15#L51true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 93#true, 62#v_assert]) [2021-08-13 03:32:38,718 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,718 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,719 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,719 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,719 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 15#L51true, 49#true, 51#true, 53#true, 55#true, 57#true, 93#true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 03:32:38,719 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,719 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,719 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,719 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,720 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [194#(and (<= l i) (< l N)), 34#L83true, 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 93#true, 62#v_assert]) [2021-08-13 03:32:38,720 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,720 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,720 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,720 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,720 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [194#(and (<= l i) (< l N)), 34#L83true, 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 93#true, 30#thread2FINALtrue, 62#v_assert]) [2021-08-13 03:32:38,720 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,721 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,721 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,721 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,728 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 15#L51true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 62#v_assert]) [2021-08-13 03:32:38,728 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,728 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,728 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,728 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,728 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [96#v_assert, 194#(and (<= l i) (< l N)), 34#L83true, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 15#L51true, 49#true, 51#true, 53#true, 55#true, 57#true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 03:32:38,728 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,745 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,745 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,745 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,747 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 62#v_assert]) [2021-08-13 03:32:38,747 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,747 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,747 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,747 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,747 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 03:32:38,747 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:38,747 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,747 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,747 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:38,810 INFO L129 PetriNetUnfolder]: 30240/46706 cut-off events. [2021-08-13 03:32:38,810 INFO L130 PetriNetUnfolder]: For 17342/28629 co-relation queries the response was YES. [2021-08-13 03:32:38,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111865 conditions, 46706 events. 30240/46706 cut-off events. For 17342/28629 co-relation queries the response was YES. Maximal size of possible extension queue 4382. Compared 401742 event pairs, 4534 based on Foata normal form. 491/31107 useless extension candidates. Maximal degree in co-relation 111507. Up to 15186 conditions per place. [2021-08-13 03:32:39,171 INFO L132 encePairwiseOnDemand]: 36/42 looper letters, 76 selfloop transitions, 39 changer transitions 0/204 dead transitions. [2021-08-13 03:32:39,172 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 204 transitions, 1424 flow [2021-08-13 03:32:39,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:32:39,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:32:39,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2021-08-13 03:32:39,173 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8857142857142857 [2021-08-13 03:32:39,173 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 186 transitions. [2021-08-13 03:32:39,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 186 transitions. [2021-08-13 03:32:39,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:32:39,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 186 transitions. [2021-08-13 03:32:39,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:39,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:39,175 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:39,175 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 28 predicate places. [2021-08-13 03:32:39,175 INFO L482 AbstractCegarLoop]: Abstraction has has 75 places, 204 transitions, 1424 flow [2021-08-13 03:32:39,175 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:39,175 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:32:39,175 INFO L266 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, 1] [2021-08-13 03:32:39,389 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:32:39,389 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:32:39,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:32:39,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1018881332, now seen corresponding path program 1 times [2021-08-13 03:32:39,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:32:39,390 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537226286] [2021-08-13 03:32:39,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:32:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:32:39,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:39,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:32:39,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:39,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:39,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:39,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:32:39,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:32:39,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537226286] [2021-08-13 03:32:39,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537226286] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:32:39,439 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:32:39,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 03:32:39,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543176699] [2021-08-13 03:32:39,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 03:32:39,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:32:39,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 03:32:39,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 03:32:39,441 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 03:32:39,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 204 transitions, 1424 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:39,441 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:32:39,441 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 03:32:39,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:32:41,108 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][186], [34#L83true, 100#true, 196#true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:41,108 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 03:32:41,108 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:41,108 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:41,108 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 03:32:41,868 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][186], [194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 12#L62true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:41,868 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 03:32:41,868 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 03:32:41,868 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 03:32:41,869 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 03:32:45,053 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][149], [194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 8#L51-1true, 75#v_assert, 47#thread4FINALtrue, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 93#true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 03:32:45,054 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 03:32:45,054 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 03:32:45,054 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:45,054 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:45,054 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][150], [194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 8#L51-1true, 75#v_assert, 47#thread4FINALtrue, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 93#true, 62#v_assert]) [2021-08-13 03:32:45,054 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 03:32:45,054 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 03:32:45,054 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:45,054 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:45,114 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][149], [96#v_assert, 194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 8#L51-1true, 75#v_assert, 79#true, 47#thread4FINALtrue, 49#true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 03:32:45,114 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 03:32:45,114 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 03:32:45,114 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:45,114 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:45,114 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][150], [96#v_assert, 194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 8#L51-1true, 75#v_assert, 79#true, 47#thread4FINALtrue, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 62#v_assert]) [2021-08-13 03:32:45,114 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 03:32:45,114 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 03:32:45,114 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:45,114 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 03:32:45,129 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][165], [34#L83true, 36#thread3FINALtrue, 100#true, 199#(<= N k), 39#thread5FINALtrue, 75#v_assert, 47#thread4FINALtrue, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 58#true, 28#L27true, 93#true]) [2021-08-13 03:32:45,129 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,129 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,129 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,129 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,129 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][166], [34#L83true, 36#thread3FINALtrue, 100#true, 39#thread5FINALtrue, 199#(<= N k), 75#v_assert, 47#thread4FINALtrue, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 58#true, 28#L27true, 93#true, 30#thread2FINALtrue]) [2021-08-13 03:32:45,129 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,129 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,129 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,144 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,145 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][200], [34#L83true, 36#thread3FINALtrue, 199#(<= N k), 39#thread5FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 58#true, 123#(< l N), 28#L27true, 93#true]) [2021-08-13 03:32:45,145 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,145 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,145 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,145 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,145 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][201], [34#L83true, 36#thread3FINALtrue, 39#thread5FINALtrue, 199#(<= N k), 75#v_assert, 12#L62true, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 58#true, 123#(< l N), 28#L27true, 93#true, 30#thread2FINALtrue]) [2021-08-13 03:32:45,145 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,145 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,145 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,146 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,155 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][149], [194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 15#L51true, 49#true, 83#v_assert, 51#true, 53#true, 55#true, 57#true, 58#true, 93#true, 30#thread2FINALtrue]) [2021-08-13 03:32:45,155 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,155 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,155 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,155 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,155 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][150], [194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 15#L51true, 49#true, 18#L40true, 83#v_assert, 51#true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 03:32:45,155 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,155 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,155 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,155 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,212 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][149], [34#L83true, 194#(and (<= l i) (< l N)), 196#true, 39#thread5FINALtrue, 75#v_assert, 47#thread4FINALtrue, 79#true, 15#L51true, 49#true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 93#true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 03:32:45,212 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,212 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,212 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,212 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,212 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][150], [194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 75#v_assert, 47#thread4FINALtrue, 79#true, 15#L51true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 93#true, 62#v_assert]) [2021-08-13 03:32:45,212 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,212 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,212 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,212 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,230 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][149], [96#v_assert, 194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 75#v_assert, 15#L51true, 47#thread4FINALtrue, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 30#thread2FINALtrue, 62#v_assert]) [2021-08-13 03:32:45,230 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,230 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,230 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,230 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,231 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][150], [96#v_assert, 194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 75#v_assert, 15#L51true, 47#thread4FINALtrue, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 62#v_assert]) [2021-08-13 03:32:45,231 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,244 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 03:32:45,244 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,244 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 03:32:45,568 INFO L129 PetriNetUnfolder]: 44504/69475 cut-off events. [2021-08-13 03:32:45,568 INFO L130 PetriNetUnfolder]: For 47085/80549 co-relation queries the response was YES. [2021-08-13 03:32:45,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 218277 conditions, 69475 events. 44504/69475 cut-off events. For 47085/80549 co-relation queries the response was YES. Maximal size of possible extension queue 6246. Compared 636264 event pairs, 4563 based on Foata normal form. 557/48658 useless extension candidates. Maximal degree in co-relation 217801. Up to 28267 conditions per place. [2021-08-13 03:32:45,908 INFO L132 encePairwiseOnDemand]: 35/42 looper letters, 124 selfloop transitions, 38 changer transitions 74/339 dead transitions. [2021-08-13 03:32:45,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 339 transitions, 2688 flow [2021-08-13 03:32:45,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:32:45,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:32:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 190 transitions. [2021-08-13 03:32:45,909 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9047619047619048 [2021-08-13 03:32:45,909 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 190 transitions. [2021-08-13 03:32:45,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 190 transitions. [2021-08-13 03:32:45,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:32:45,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 190 transitions. [2021-08-13 03:32:45,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:45,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:45,910 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:45,910 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 32 predicate places. [2021-08-13 03:32:45,910 INFO L482 AbstractCegarLoop]: Abstraction has has 79 places, 339 transitions, 2688 flow [2021-08-13 03:32:45,910 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:45,911 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:32:45,911 INFO L266 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, 1] [2021-08-13 03:32:45,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 03:32:45,911 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:32:45,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:32:45,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1077523194, now seen corresponding path program 1 times [2021-08-13 03:32:45,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:32:45,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907517076] [2021-08-13 03:32:45,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:32:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:32:45,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:45,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:45,931 INFO L142 QuantifierPusher]: treesize reduction 28, result has 45.1 percent of original size [2021-08-13 03:32:45,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 03:32:45,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:45,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:32:45,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:45,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:45,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:45,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:45,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:45,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:45,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:32:45,961 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:32:45,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907517076] [2021-08-13 03:32:45,961 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907517076] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:32:45,961 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460259566] [2021-08-13 03:32:45,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:32:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:32:46,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-13 03:32:46,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:32:46,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:32:46,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:32:46,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:32:46,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:32:46,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:46,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:46,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:46,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:32:46,131 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460259566] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:32:46,131 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-13 03:32:46,131 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-08-13 03:32:46,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620870402] [2021-08-13 03:32:46,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 03:32:46,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:32:46,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 03:32:46,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-08-13 03:32:46,133 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 03:32:46,133 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 339 transitions, 2688 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:46,133 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:32:46,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 03:32:46,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:32:54,249 INFO L129 PetriNetUnfolder]: 55690/85674 cut-off events. [2021-08-13 03:32:54,249 INFO L130 PetriNetUnfolder]: For 85880/143660 co-relation queries the response was YES. [2021-08-13 03:32:54,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 330183 conditions, 85674 events. 55690/85674 cut-off events. For 85880/143660 co-relation queries the response was YES. Maximal size of possible extension queue 6611. Compared 761970 event pairs, 2262 based on Foata normal form. 308/63536 useless extension candidates. Maximal degree in co-relation 329607. Up to 33432 conditions per place. [2021-08-13 03:32:54,691 INFO L132 encePairwiseOnDemand]: 36/42 looper letters, 192 selfloop transitions, 68 changer transitions 124/510 dead transitions. [2021-08-13 03:32:54,691 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 510 transitions, 4386 flow [2021-08-13 03:32:54,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:32:54,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:32:54,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2021-08-13 03:32:54,692 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8857142857142857 [2021-08-13 03:32:54,692 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 186 transitions. [2021-08-13 03:32:54,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 186 transitions. [2021-08-13 03:32:54,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:32:54,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 186 transitions. [2021-08-13 03:32:54,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:54,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:54,693 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:54,693 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 36 predicate places. [2021-08-13 03:32:54,693 INFO L482 AbstractCegarLoop]: Abstraction has has 83 places, 510 transitions, 4386 flow [2021-08-13 03:32:54,694 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:54,694 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:32:54,694 INFO L266 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, 1] [2021-08-13 03:32:54,899 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:32:54,900 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:32:54,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:32:54,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1723693652, now seen corresponding path program 2 times [2021-08-13 03:32:54,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:32:54,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225568834] [2021-08-13 03:32:54,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:32:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:32:54,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:54,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:32:54,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:54,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:32:54,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:32:54,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:32:54,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:32:54,939 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:32:54,939 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225568834] [2021-08-13 03:32:54,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225568834] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:32:54,939 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:32:54,939 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 03:32:54,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491211391] [2021-08-13 03:32:54,939 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 03:32:54,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:32:54,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 03:32:54,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 03:32:54,940 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 03:32:54,940 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 510 transitions, 4386 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:32:54,940 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:32:54,940 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 03:32:54,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:33:07,768 INFO L129 PetriNetUnfolder]: 71536/112077 cut-off events. [2021-08-13 03:33:07,768 INFO L130 PetriNetUnfolder]: For 152941/300785 co-relation queries the response was YES. [2021-08-13 03:33:08,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 505443 conditions, 112077 events. 71536/112077 cut-off events. For 152941/300785 co-relation queries the response was YES. Maximal size of possible extension queue 9055. Compared 1058564 event pairs, 2571 based on Foata normal form. 1608/85462 useless extension candidates. Maximal degree in co-relation 504715. Up to 45429 conditions per place. [2021-08-13 03:33:08,445 INFO L132 encePairwiseOnDemand]: 35/42 looper letters, 394 selfloop transitions, 112 changer transitions 221/849 dead transitions. [2021-08-13 03:33:08,445 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 849 transitions, 8730 flow [2021-08-13 03:33:08,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:33:08,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:33:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 190 transitions. [2021-08-13 03:33:08,446 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9047619047619048 [2021-08-13 03:33:08,446 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 190 transitions. [2021-08-13 03:33:08,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 190 transitions. [2021-08-13 03:33:08,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:33:08,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 190 transitions. [2021-08-13 03:33:08,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:08,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:08,447 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:08,447 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 40 predicate places. [2021-08-13 03:33:08,447 INFO L482 AbstractCegarLoop]: Abstraction has has 87 places, 849 transitions, 8730 flow [2021-08-13 03:33:08,447 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:08,447 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:33:08,448 INFO L266 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, 1] [2021-08-13 03:33:08,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 03:33:08,448 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:33:08,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:33:08,448 INFO L82 PathProgramCache]: Analyzing trace with hash 327706390, now seen corresponding path program 3 times [2021-08-13 03:33:08,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:33:08,448 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491791369] [2021-08-13 03:33:08,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:33:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:33:08,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:33:08,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:33:08,460 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 03:33:08,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:33:08,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:33:08,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:33:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:33:08,465 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:33:08,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491791369] [2021-08-13 03:33:08,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491791369] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:33:08,465 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:33:08,465 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 03:33:08,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337290586] [2021-08-13 03:33:08,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 03:33:08,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:33:08,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 03:33:08,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-13 03:33:08,466 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 03:33:08,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 849 transitions, 8730 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:08,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:33:08,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 03:33:08,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:33:22,250 INFO L129 PetriNetUnfolder]: 65614/102151 cut-off events. [2021-08-13 03:33:22,250 INFO L130 PetriNetUnfolder]: For 190179/396731 co-relation queries the response was YES. [2021-08-13 03:33:22,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 531944 conditions, 102151 events. 65614/102151 cut-off events. For 190179/396731 co-relation queries the response was YES. Maximal size of possible extension queue 8154. Compared 943687 event pairs, 2427 based on Foata normal form. 922/77453 useless extension candidates. Maximal degree in co-relation 531214. Up to 58361 conditions per place. [2021-08-13 03:33:23,010 INFO L132 encePairwiseOnDemand]: 35/42 looper letters, 422 selfloop transitions, 59 changer transitions 186/789 dead transitions. [2021-08-13 03:33:23,010 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 789 transitions, 9282 flow [2021-08-13 03:33:23,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 03:33:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 03:33:23,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 149 transitions. [2021-08-13 03:33:23,011 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8869047619047619 [2021-08-13 03:33:23,011 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 149 transitions. [2021-08-13 03:33:23,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 149 transitions. [2021-08-13 03:33:23,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:33:23,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 149 transitions. [2021-08-13 03:33:23,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:23,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 42.0) internal successors, (210), 5 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:23,012 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 42.0) internal successors, (210), 5 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:23,012 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 43 predicate places. [2021-08-13 03:33:23,012 INFO L482 AbstractCegarLoop]: Abstraction has has 90 places, 789 transitions, 9282 flow [2021-08-13 03:33:23,012 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:23,012 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:33:23,012 INFO L266 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, 1] [2021-08-13 03:33:23,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-13 03:33:23,012 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:33:23,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:33:23,012 INFO L82 PathProgramCache]: Analyzing trace with hash -630656736, now seen corresponding path program 1 times [2021-08-13 03:33:23,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:33:23,013 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599706001] [2021-08-13 03:33:23,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:33:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:33:23,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:33:23,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:33:23,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:33:23,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:33:23,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:33:23,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:33:23,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:33:23,026 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:33:23,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599706001] [2021-08-13 03:33:23,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599706001] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:33:23,026 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:33:23,026 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 03:33:23,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277735611] [2021-08-13 03:33:23,027 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 03:33:23,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:33:23,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 03:33:23,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 03:33:23,027 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 03:33:23,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 789 transitions, 9282 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:23,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:33:23,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 03:33:23,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:33:36,095 INFO L129 PetriNetUnfolder]: 61144/96711 cut-off events. [2021-08-13 03:33:36,095 INFO L130 PetriNetUnfolder]: For 247904/532852 co-relation queries the response was YES. [2021-08-13 03:33:36,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 561879 conditions, 96711 events. 61144/96711 cut-off events. For 247904/532852 co-relation queries the response was YES. Maximal size of possible extension queue 7777. Compared 908692 event pairs, 1216 based on Foata normal form. 2230/76074 useless extension candidates. Maximal degree in co-relation 561269. Up to 52177 conditions per place. [2021-08-13 03:33:36,904 INFO L132 encePairwiseOnDemand]: 35/42 looper letters, 545 selfloop transitions, 105 changer transitions 274/1026 dead transitions. [2021-08-13 03:33:36,904 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 1026 transitions, 13884 flow [2021-08-13 03:33:36,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:33:36,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:33:36,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 189 transitions. [2021-08-13 03:33:36,905 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9 [2021-08-13 03:33:36,905 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 189 transitions. [2021-08-13 03:33:36,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 189 transitions. [2021-08-13 03:33:36,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:33:36,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 189 transitions. [2021-08-13 03:33:36,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:36,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:36,906 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:36,907 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 47 predicate places. [2021-08-13 03:33:36,907 INFO L482 AbstractCegarLoop]: Abstraction has has 94 places, 1026 transitions, 13884 flow [2021-08-13 03:33:36,907 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:36,907 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:33:36,907 INFO L266 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, 1] [2021-08-13 03:33:36,907 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-13 03:33:36,907 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:33:36,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:33:36,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1474742362, now seen corresponding path program 4 times [2021-08-13 03:33:36,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:33:36,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174893053] [2021-08-13 03:33:36,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:33:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:33:36,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:33:36,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:33:36,918 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 03:33:36,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:33:36,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:33:36,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:33:36,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:33:36,923 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:33:36,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174893053] [2021-08-13 03:33:36,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174893053] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:33:36,923 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:33:36,924 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 03:33:36,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664837812] [2021-08-13 03:33:36,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 03:33:36,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:33:36,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 03:33:36,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-13 03:33:36,924 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 03:33:36,924 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 1026 transitions, 13884 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:36,924 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:33:36,924 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 03:33:36,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:33:56,133 INFO L129 PetriNetUnfolder]: 68187/108366 cut-off events. [2021-08-13 03:33:56,133 INFO L130 PetriNetUnfolder]: For 313784/708635 co-relation queries the response was YES. [2021-08-13 03:33:56,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 701364 conditions, 108366 events. 68187/108366 cut-off events. For 313784/708635 co-relation queries the response was YES. Maximal size of possible extension queue 8330. Compared 1033894 event pairs, 750 based on Foata normal form. 1105/84227 useless extension candidates. Maximal degree in co-relation 700690. Up to 59859 conditions per place. [2021-08-13 03:33:56,908 INFO L132 encePairwiseOnDemand]: 35/42 looper letters, 614 selfloop transitions, 101 changer transitions 288/1252 dead transitions. [2021-08-13 03:33:56,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 1252 transitions, 18446 flow [2021-08-13 03:33:56,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 03:33:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 03:33:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 149 transitions. [2021-08-13 03:33:56,909 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8869047619047619 [2021-08-13 03:33:56,909 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 149 transitions. [2021-08-13 03:33:56,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 149 transitions. [2021-08-13 03:33:56,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:33:56,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 149 transitions. [2021-08-13 03:33:56,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:56,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 42.0) internal successors, (210), 5 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:56,910 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 42.0) internal successors, (210), 5 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:56,910 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 50 predicate places. [2021-08-13 03:33:56,910 INFO L482 AbstractCegarLoop]: Abstraction has has 97 places, 1252 transitions, 18446 flow [2021-08-13 03:33:56,910 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:56,910 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:33:56,910 INFO L266 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, 1] [2021-08-13 03:33:56,910 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-13 03:33:56,910 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:33:56,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:33:56,911 INFO L82 PathProgramCache]: Analyzing trace with hash 425489594, now seen corresponding path program 5 times [2021-08-13 03:33:56,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:33:56,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855865348] [2021-08-13 03:33:56,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:33:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:33:56,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:33:56,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:33:56,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:33:56,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:33:56,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:33:56,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:33:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:33:56,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:33:56,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855865348] [2021-08-13 03:33:56,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855865348] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:33:56,924 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:33:56,924 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 03:33:56,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74647164] [2021-08-13 03:33:56,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 03:33:56,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:33:56,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 03:33:56,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 03:33:56,925 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 03:33:56,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 1252 transitions, 18446 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:33:56,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:33:56,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 03:33:56,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:34:17,152 INFO L129 PetriNetUnfolder]: 64181/103323 cut-off events. [2021-08-13 03:34:17,152 INFO L130 PetriNetUnfolder]: For 368768/819702 co-relation queries the response was YES. [2021-08-13 03:34:17,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 731254 conditions, 103323 events. 64181/103323 cut-off events. For 368768/819702 co-relation queries the response was YES. Maximal size of possible extension queue 8169. Compared 1001360 event pairs, 822 based on Foata normal form. 1885/81978 useless extension candidates. Maximal degree in co-relation 730574. Up to 57039 conditions per place. [2021-08-13 03:34:18,094 INFO L132 encePairwiseOnDemand]: 35/42 looper letters, 612 selfloop transitions, 122 changer transitions 317/1300 dead transitions. [2021-08-13 03:34:18,095 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 1300 transitions, 20710 flow [2021-08-13 03:34:18,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:34:18,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:34:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2021-08-13 03:34:18,096 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8857142857142857 [2021-08-13 03:34:18,096 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 186 transitions. [2021-08-13 03:34:18,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 186 transitions. [2021-08-13 03:34:18,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:34:18,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 186 transitions. [2021-08-13 03:34:18,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:34:18,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:34:18,098 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:34:18,098 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 54 predicate places. [2021-08-13 03:34:18,098 INFO L482 AbstractCegarLoop]: Abstraction has has 101 places, 1300 transitions, 20710 flow [2021-08-13 03:34:18,098 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:34:18,098 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:34:18,098 INFO L266 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, 1] [2021-08-13 03:34:18,099 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-13 03:34:18,099 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:34:18,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:34:18,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1525166970, now seen corresponding path program 6 times [2021-08-13 03:34:18,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:34:18,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25506184] [2021-08-13 03:34:18,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:34:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:34:18,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,150 INFO L142 QuantifierPusher]: treesize reduction 14, result has 56.3 percent of original size [2021-08-13 03:34:18,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 03:34:18,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:34:18,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:34:18,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:34:18,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:34:18,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25506184] [2021-08-13 03:34:18,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25506184] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:34:18,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163176373] [2021-08-13 03:34:18,181 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:34:18,215 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-08-13 03:34:18,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:34:18,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-13 03:34:18,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:34:18,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:34:18,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:34:18,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:34:18,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:34:18,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:34:18,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:34:18,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:34:18,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:34:18,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:34:18,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:34:18,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:34:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:34:18,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163176373] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:34:18,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:34:18,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2021-08-13 03:34:18,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675376752] [2021-08-13 03:34:18,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-13 03:34:18,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:34:18,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-13 03:34:18,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-08-13 03:34:18,289 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 42 [2021-08-13 03:34:18,289 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 1300 transitions, 20710 flow. Second operand has 9 states, 9 states have (on average 26.444444444444443) internal successors, (238), 9 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:34:18,289 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:34:18,289 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 42 [2021-08-13 03:34:18,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:34:19,182 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-08-13 03:35:09,631 INFO L129 PetriNetUnfolder]: 134611/218356 cut-off events. [2021-08-13 03:35:09,632 INFO L130 PetriNetUnfolder]: For 785349/789222 co-relation queries the response was YES. [2021-08-13 03:35:11,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1694129 conditions, 218356 events. 134611/218356 cut-off events. For 785349/789222 co-relation queries the response was YES. Maximal size of possible extension queue 16766. Compared 2321545 event pairs, 2736 based on Foata normal form. 1419/174845 useless extension candidates. Maximal degree in co-relation 1693276. Up to 119024 conditions per place. [2021-08-13 03:35:11,526 INFO L132 encePairwiseOnDemand]: 30/42 looper letters, 1507 selfloop transitions, 385 changer transitions 4594/6504 dead transitions. [2021-08-13 03:35:11,526 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 6504 transitions, 117956 flow [2021-08-13 03:35:11,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-08-13 03:35:11,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-08-13 03:35:11,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 1683 transitions. [2021-08-13 03:35:11,530 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8525835866261399 [2021-08-13 03:35:11,530 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 1683 transitions. [2021-08-13 03:35:11,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 1683 transitions. [2021-08-13 03:35:11,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:35:11,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 1683 transitions. [2021-08-13 03:35:11,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 35.808510638297875) internal successors, (1683), 47 states have internal predecessors, (1683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:35:11,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 42.0) internal successors, (2016), 48 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:35:11,535 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 42.0) internal successors, (2016), 48 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:35:11,536 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 100 predicate places. [2021-08-13 03:35:11,536 INFO L482 AbstractCegarLoop]: Abstraction has has 147 places, 6504 transitions, 117956 flow [2021-08-13 03:35:11,536 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 26.444444444444443) internal successors, (238), 9 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:35:11,536 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:35:11,536 INFO L266 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, 1] [2021-08-13 03:35:11,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-13 03:35:11,749 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:35:11,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:35:11,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1036479638, now seen corresponding path program 2 times [2021-08-13 03:35:11,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:35:11,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359289008] [2021-08-13 03:35:11,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:35:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:35:11,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:35:11,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:35:11,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:35:11,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:35:11,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:35:11,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:35:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:35:11,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:35:11,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359289008] [2021-08-13 03:35:11,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359289008] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:35:11,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:35:11,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 03:35:11,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233840782] [2021-08-13 03:35:11,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 03:35:11,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:35:11,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 03:35:11,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 03:35:11,773 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 03:35:11,773 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 6504 transitions, 117956 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:35:11,773 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:35:11,773 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 03:35:11,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:37:34,711 INFO L129 PetriNetUnfolder]: 124467/199295 cut-off events. [2021-08-13 03:37:34,712 INFO L130 PetriNetUnfolder]: For 850365/853031 co-relation queries the response was YES. [2021-08-13 03:37:35,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1675284 conditions, 199295 events. 124467/199295 cut-off events. For 850365/853031 co-relation queries the response was YES. Maximal size of possible extension queue 15248. Compared 2064442 event pairs, 1491 based on Foata normal form. 60/161091 useless extension candidates. Maximal degree in co-relation 1674690. Up to 111735 conditions per place. [2021-08-13 03:37:36,095 INFO L132 encePairwiseOnDemand]: 35/42 looper letters, 1747 selfloop transitions, 452 changer transitions 5976/8408 dead transitions. [2021-08-13 03:37:36,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 8408 transitions, 169138 flow [2021-08-13 03:37:36,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 03:37:36,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 03:37:36,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 187 transitions. [2021-08-13 03:37:36,097 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8904761904761904 [2021-08-13 03:37:36,097 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 187 transitions. [2021-08-13 03:37:36,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 187 transitions. [2021-08-13 03:37:36,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:37:36,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 187 transitions. [2021-08-13 03:37:36,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.4) internal successors, (187), 5 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:37:36,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:37:36,125 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:37:36,125 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 104 predicate places. [2021-08-13 03:37:36,125 INFO L482 AbstractCegarLoop]: Abstraction has has 151 places, 8408 transitions, 169138 flow [2021-08-13 03:37:36,125 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:37:36,125 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:37:36,125 INFO L266 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, 1] [2021-08-13 03:37:36,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-13 03:37:36,125 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 03:37:36,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:37:36,126 INFO L82 PathProgramCache]: Analyzing trace with hash 353077356, now seen corresponding path program 2 times [2021-08-13 03:37:36,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:37:36,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361563508] [2021-08-13 03:37:36,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:37:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:37:36,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:37:36,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 03:37:36,152 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 03:37:36,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:37:36,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:37:36,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:37:36,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:37:36,170 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:37:36,170 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361563508] [2021-08-13 03:37:36,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361563508] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 03:37:36,171 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 03:37:36,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 03:37:36,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830940112] [2021-08-13 03:37:36,171 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 03:37:36,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:37:36,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 03:37:36,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-13 03:37:36,173 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 03:37:36,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 8408 transitions, 169138 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:37:36,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:37:36,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 03:37:36,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand