/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:42:45,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:42:45,885 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 06:42:45,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:42:45,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:42:45,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:42:45,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:42:45,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:42:45,913 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:42:45,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:42:45,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:42:45,916 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:42:45,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:42:45,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:42:45,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:42:45,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:42:45,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:42:45,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:42:45,918 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:42:45,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:42:45,918 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:42:45,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:42:45,918 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:42:45,919 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:42:45,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:42:45,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:42:45,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:42:45,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:42:45,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:42:45,920 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:42:45,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:42:45,921 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:42:45,921 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:42:45,921 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:42:46,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:42:46,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:42:46,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:42:46,149 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:42:46,150 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:42:46,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i [2023-11-30 06:42:47,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:42:47,437 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:42:47,437 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i [2023-11-30 06:42:47,446 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb94070d/d6023370e09f4dc1ab3386a81b9d6403/FLAGde78f9f6b [2023-11-30 06:42:47,455 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb94070d/d6023370e09f4dc1ab3386a81b9d6403 [2023-11-30 06:42:47,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:42:47,457 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:42:47,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:42:47,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:42:47,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:42:47,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:42:47" (1/1) ... [2023-11-30 06:42:47,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d3d379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:47, skipping insertion in model container [2023-11-30 06:42:47,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:42:47" (1/1) ... [2023-11-30 06:42:47,513 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:42:47,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:42:47,814 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:42:47,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:42:47,919 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:42:47,920 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:42:47,924 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:42:47,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:47 WrapperNode [2023-11-30 06:42:47,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:42:47,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:42:47,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:42:47,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:42:47,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:47" (1/1) ... [2023-11-30 06:42:47,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:47" (1/1) ... [2023-11-30 06:42:47,982 INFO L138 Inliner]: procedures = 177, calls = 68, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 151 [2023-11-30 06:42:47,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:42:47,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:42:47,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:42:47,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:42:47,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:47" (1/1) ... [2023-11-30 06:42:47,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:47" (1/1) ... [2023-11-30 06:42:48,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:47" (1/1) ... [2023-11-30 06:42:48,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:47" (1/1) ... [2023-11-30 06:42:48,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:47" (1/1) ... [2023-11-30 06:42:48,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:47" (1/1) ... [2023-11-30 06:42:48,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:47" (1/1) ... [2023-11-30 06:42:48,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:47" (1/1) ... [2023-11-30 06:42:48,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:42:48,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:42:48,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:42:48,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:42:48,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:47" (1/1) ... [2023-11-30 06:42:48,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:42:48,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:42:48,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 06:42:48,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 06:42:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:42:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:42:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:42:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:42:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:42:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:42:48,076 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:42:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:42:48,076 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:42:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-30 06:42:48,076 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-30 06:42:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-30 06:42:48,076 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-30 06:42:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:42:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:42:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:42:48,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:42:48,078 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 06:42:48,175 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:42:48,177 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:42:48,513 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:42:48,700 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:42:48,700 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:42:48,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:42:48 BoogieIcfgContainer [2023-11-30 06:42:48,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:42:48,703 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:42:48,703 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:42:48,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:42:48,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:42:47" (1/3) ... [2023-11-30 06:42:48,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f1f3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:42:48, skipping insertion in model container [2023-11-30 06:42:48,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:47" (2/3) ... [2023-11-30 06:42:48,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f1f3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:42:48, skipping insertion in model container [2023-11-30 06:42:48,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:42:48" (3/3) ... [2023-11-30 06:42:48,707 INFO L112 eAbstractionObserver]: Analyzing ICFG mix051_pso.opt_rmo.opt_tso.opt.i [2023-11-30 06:42:48,729 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:42:48,729 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-30 06:42:48,730 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:42:48,824 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:42:48,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 153 places, 143 transitions, 302 flow [2023-11-30 06:42:49,015 INFO L124 PetriNetUnfolderBase]: 3/139 cut-off events. [2023-11-30 06:42:49,017 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:42:49,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 139 events. 3/139 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 106 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 102. Up to 2 conditions per place. [2023-11-30 06:42:49,021 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 143 transitions, 302 flow [2023-11-30 06:42:49,029 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 149 places, 139 transitions, 290 flow [2023-11-30 06:42:49,057 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:42:49,063 INFO L362 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c4da3f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:42:49,064 INFO L363 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-30 06:42:49,082 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:42:49,083 INFO L124 PetriNetUnfolderBase]: 0/52 cut-off events. [2023-11-30 06:42:49,083 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:42:49,083 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:49,084 INFO L232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:42:49,084 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:49,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:49,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1106616838, now seen corresponding path program 1 times [2023-11-30 06:42:49,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:49,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218223937] [2023-11-30 06:42:49,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:49,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:49,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:49,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:49,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218223937] [2023-11-30 06:42:49,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218223937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:49,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:49,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:42:49,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609558345] [2023-11-30 06:42:49,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:49,385 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:42:49,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:49,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:42:49,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:42:49,410 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 143 [2023-11-30 06:42:49,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 139 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:49,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:49,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 143 [2023-11-30 06:42:49,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:50,074 INFO L124 PetriNetUnfolderBase]: 2210/3965 cut-off events. [2023-11-30 06:42:50,075 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-30 06:42:50,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7270 conditions, 3965 events. 2210/3965 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 30918 event pairs, 1786 based on Foata normal form. 785/3345 useless extension candidates. Maximal degree in co-relation 7217. Up to 3146 conditions per place. [2023-11-30 06:42:50,113 INFO L140 encePairwiseOnDemand]: 127/143 looper letters, 29 selfloop transitions, 5 changer transitions 0/145 dead transitions. [2023-11-30 06:42:50,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 145 transitions, 379 flow [2023-11-30 06:42:50,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:42:50,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:42:50,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 399 transitions. [2023-11-30 06:42:50,126 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9300699300699301 [2023-11-30 06:42:50,127 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 399 transitions. [2023-11-30 06:42:50,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 399 transitions. [2023-11-30 06:42:50,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:50,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 399 transitions. [2023-11-30 06:42:50,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:50,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:50,138 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 143.0) internal successors, (572), 4 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:50,140 INFO L307 CegarLoopForPetriNet]: 149 programPoint places, -1 predicate places. [2023-11-30 06:42:50,141 INFO L500 AbstractCegarLoop]: Abstraction has has 148 places, 145 transitions, 379 flow [2023-11-30 06:42:50,141 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:50,141 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:50,141 INFO L232 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, 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, 1, 1] [2023-11-30 06:42:50,142 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:42:50,143 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:50,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:50,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1874478317, now seen corresponding path program 1 times [2023-11-30 06:42:50,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:50,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461717837] [2023-11-30 06:42:50,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:50,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:50,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:50,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461717837] [2023-11-30 06:42:50,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461717837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:50,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:50,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:42:50,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508138998] [2023-11-30 06:42:50,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:50,297 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:42:50,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:50,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:42:50,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:42:50,298 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 143 [2023-11-30 06:42:50,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 145 transitions, 379 flow. Second operand has 4 states, 4 states have (on average 118.25) internal successors, (473), 4 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:50,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:50,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 143 [2023-11-30 06:42:50,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:50,719 INFO L124 PetriNetUnfolderBase]: 968/2273 cut-off events. [2023-11-30 06:42:50,719 INFO L125 PetriNetUnfolderBase]: For 83/183 co-relation queries the response was YES. [2023-11-30 06:42:50,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5184 conditions, 2273 events. 968/2273 cut-off events. For 83/183 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 16950 event pairs, 376 based on Foata normal form. 8/1857 useless extension candidates. Maximal degree in co-relation 5128. Up to 1378 conditions per place. [2023-11-30 06:42:50,739 INFO L140 encePairwiseOnDemand]: 134/143 looper letters, 25 selfloop transitions, 5 changer transitions 0/141 dead transitions. [2023-11-30 06:42:50,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 141 transitions, 423 flow [2023-11-30 06:42:50,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:42:50,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:42:50,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 502 transitions. [2023-11-30 06:42:50,741 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8776223776223776 [2023-11-30 06:42:50,741 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 502 transitions. [2023-11-30 06:42:50,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 502 transitions. [2023-11-30 06:42:50,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:50,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 502 transitions. [2023-11-30 06:42:50,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 125.5) internal successors, (502), 4 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:50,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:50,745 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:50,745 INFO L307 CegarLoopForPetriNet]: 149 programPoint places, -2 predicate places. [2023-11-30 06:42:50,746 INFO L500 AbstractCegarLoop]: Abstraction has has 147 places, 141 transitions, 423 flow [2023-11-30 06:42:50,746 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.25) internal successors, (473), 4 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:50,746 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:50,747 INFO L232 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, 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, 1, 1] [2023-11-30 06:42:50,747 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:42:50,747 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:50,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:50,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1090928584, now seen corresponding path program 1 times [2023-11-30 06:42:50,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:50,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522401690] [2023-11-30 06:42:50,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:50,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:50,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:50,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:50,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522401690] [2023-11-30 06:42:50,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522401690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:50,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:50,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:42:50,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004507665] [2023-11-30 06:42:50,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:50,873 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:42:50,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:50,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:42:50,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:42:50,877 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 143 [2023-11-30 06:42:50,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 141 transitions, 423 flow. Second operand has 4 states, 4 states have (on average 118.25) internal successors, (473), 4 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:50,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:50,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 143 [2023-11-30 06:42:50,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:51,052 INFO L124 PetriNetUnfolderBase]: 472/1481 cut-off events. [2023-11-30 06:42:51,053 INFO L125 PetriNetUnfolderBase]: For 155/297 co-relation queries the response was YES. [2023-11-30 06:42:51,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3726 conditions, 1481 events. 472/1481 cut-off events. For 155/297 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 10773 event pairs, 50 based on Foata normal form. 8/1345 useless extension candidates. Maximal degree in co-relation 3667. Up to 692 conditions per place. [2023-11-30 06:42:51,066 INFO L140 encePairwiseOnDemand]: 134/143 looper letters, 32 selfloop transitions, 9 changer transitions 0/152 dead transitions. [2023-11-30 06:42:51,066 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 152 transitions, 577 flow [2023-11-30 06:42:51,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:42:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:42:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 513 transitions. [2023-11-30 06:42:51,081 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8968531468531469 [2023-11-30 06:42:51,081 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 513 transitions. [2023-11-30 06:42:51,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 513 transitions. [2023-11-30 06:42:51,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:51,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 513 transitions. [2023-11-30 06:42:51,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 128.25) internal successors, (513), 4 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:51,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:51,084 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 143.0) internal successors, (715), 5 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:51,084 INFO L307 CegarLoopForPetriNet]: 149 programPoint places, 1 predicate places. [2023-11-30 06:42:51,084 INFO L500 AbstractCegarLoop]: Abstraction has has 150 places, 152 transitions, 577 flow [2023-11-30 06:42:51,085 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.25) internal successors, (473), 4 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:51,085 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:51,085 INFO L232 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:42:51,085 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:42:51,085 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:51,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:51,085 INFO L85 PathProgramCache]: Analyzing trace with hash 40034179, now seen corresponding path program 1 times [2023-11-30 06:42:51,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:51,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735044464] [2023-11-30 06:42:51,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:51,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:51,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:51,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735044464] [2023-11-30 06:42:51,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735044464] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:51,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:51,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 06:42:51,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290492247] [2023-11-30 06:42:51,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:51,209 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 06:42:51,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:51,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 06:42:51,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-30 06:42:51,210 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 143 [2023-11-30 06:42:51,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 152 transitions, 577 flow. Second operand has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:51,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:51,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 143 [2023-11-30 06:42:51,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:51,419 INFO L124 PetriNetUnfolderBase]: 334/980 cut-off events. [2023-11-30 06:42:51,419 INFO L125 PetriNetUnfolderBase]: For 613/1089 co-relation queries the response was YES. [2023-11-30 06:42:51,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3063 conditions, 980 events. 334/980 cut-off events. For 613/1089 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6152 event pairs, 55 based on Foata normal form. 18/954 useless extension candidates. Maximal degree in co-relation 3001. Up to 470 conditions per place. [2023-11-30 06:42:51,430 INFO L140 encePairwiseOnDemand]: 134/143 looper letters, 34 selfloop transitions, 13 changer transitions 4/162 dead transitions. [2023-11-30 06:42:51,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 162 transitions, 762 flow [2023-11-30 06:42:51,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 06:42:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 06:42:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 640 transitions. [2023-11-30 06:42:51,432 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8951048951048951 [2023-11-30 06:42:51,432 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 640 transitions. [2023-11-30 06:42:51,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 640 transitions. [2023-11-30 06:42:51,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:51,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 640 transitions. [2023-11-30 06:42:51,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 128.0) internal successors, (640), 5 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:51,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 143.0) internal successors, (858), 6 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:51,435 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 143.0) internal successors, (858), 6 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:51,436 INFO L307 CegarLoopForPetriNet]: 149 programPoint places, 5 predicate places. [2023-11-30 06:42:51,436 INFO L500 AbstractCegarLoop]: Abstraction has has 154 places, 162 transitions, 762 flow [2023-11-30 06:42:51,437 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:51,437 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:51,437 INFO L232 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, 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, 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] [2023-11-30 06:42:51,437 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:42:51,437 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:51,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:51,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1672683532, now seen corresponding path program 1 times [2023-11-30 06:42:51,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:51,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142434764] [2023-11-30 06:42:51,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:51,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:51,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:51,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142434764] [2023-11-30 06:42:51,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142434764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:51,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:51,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 06:42:51,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762394270] [2023-11-30 06:42:51,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:51,615 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 06:42:51,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:51,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 06:42:51,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 06:42:51,617 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 143 [2023-11-30 06:42:51,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 162 transitions, 762 flow. Second operand has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:51,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:51,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 143 [2023-11-30 06:42:51,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:51,793 INFO L124 PetriNetUnfolderBase]: 326/900 cut-off events. [2023-11-30 06:42:51,793 INFO L125 PetriNetUnfolderBase]: For 709/1111 co-relation queries the response was YES. [2023-11-30 06:42:51,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3393 conditions, 900 events. 326/900 cut-off events. For 709/1111 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 5457 event pairs, 34 based on Foata normal form. 14/894 useless extension candidates. Maximal degree in co-relation 3328. Up to 450 conditions per place. [2023-11-30 06:42:51,797 INFO L140 encePairwiseOnDemand]: 134/143 looper letters, 0 selfloop transitions, 0 changer transitions 160/160 dead transitions. [2023-11-30 06:42:51,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 160 transitions, 840 flow [2023-11-30 06:42:51,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 06:42:51,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 06:42:51,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 755 transitions. [2023-11-30 06:42:51,799 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.87995337995338 [2023-11-30 06:42:51,799 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 755 transitions. [2023-11-30 06:42:51,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 755 transitions. [2023-11-30 06:42:51,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:51,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 755 transitions. [2023-11-30 06:42:51,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 125.83333333333333) internal successors, (755), 6 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:51,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 143.0) internal successors, (1001), 7 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:51,803 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 143.0) internal successors, (1001), 7 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:51,805 INFO L307 CegarLoopForPetriNet]: 149 programPoint places, 6 predicate places. [2023-11-30 06:42:51,806 INFO L500 AbstractCegarLoop]: Abstraction has has 155 places, 160 transitions, 840 flow [2023-11-30 06:42:51,806 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:51,813 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix051_pso.opt_rmo.opt_tso.opt.i_BEv2_AllErrorsAtOnce [2023-11-30 06:42:51,838 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-30 06:42:51,839 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-30 06:42:51,839 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-30 06:42:51,839 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-30 06:42:51,839 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-30 06:42:51,840 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-30 06:42:51,842 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-30 06:42:51,842 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-30 06:42:51,842 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-30 06:42:51,843 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-30 06:42:51,844 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-30 06:42:51,846 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-30 06:42:51,846 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-30 06:42:51,846 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-30 06:42:51,847 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-30 06:42:51,847 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-30 06:42:51,847 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-30 06:42:51,847 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-30 06:42:51,847 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-30 06:42:51,847 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-30 06:42:51,847 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 06:42:51,848 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 06:42:51,852 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:42:51,852 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:42:51,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:42:51 BasicIcfg [2023-11-30 06:42:51,858 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:42:51,860 INFO L158 Benchmark]: Toolchain (without parser) took 4401.02ms. Allocated memory was 339.7MB in the beginning and 834.7MB in the end (delta: 494.9MB). Free memory was 289.8MB in the beginning and 559.2MB in the end (delta: -269.4MB). Peak memory consumption was 227.4MB. Max. memory is 16.0GB. [2023-11-30 06:42:51,863 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 339.7MB. Free memory is still 294.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:42:51,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.06ms. Allocated memory is still 339.7MB. Free memory was 289.4MB in the beginning and 266.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-11-30 06:42:51,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.37ms. Allocated memory is still 339.7MB. Free memory was 266.3MB in the beginning and 263.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:42:51,866 INFO L158 Benchmark]: Boogie Preprocessor took 26.72ms. Allocated memory is still 339.7MB. Free memory was 263.5MB in the beginning and 261.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:42:51,866 INFO L158 Benchmark]: RCFGBuilder took 690.92ms. Allocated memory was 339.7MB in the beginning and 417.3MB in the end (delta: 77.6MB). Free memory was 261.8MB in the beginning and 367.1MB in the end (delta: -105.2MB). Peak memory consumption was 23.2MB. Max. memory is 16.0GB. [2023-11-30 06:42:51,866 INFO L158 Benchmark]: TraceAbstraction took 3155.17ms. Allocated memory was 417.3MB in the beginning and 834.7MB in the end (delta: 417.3MB). Free memory was 367.1MB in the beginning and 559.2MB in the end (delta: -192.1MB). Peak memory consumption was 227.3MB. Max. memory is 16.0GB. [2023-11-30 06:42:51,867 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 339.7MB. Free memory is still 294.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 467.06ms. Allocated memory is still 339.7MB. Free memory was 289.4MB in the beginning and 266.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 57.37ms. Allocated memory is still 339.7MB. Free memory was 266.3MB in the beginning and 263.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 26.72ms. Allocated memory is still 339.7MB. Free memory was 263.5MB in the beginning and 261.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 690.92ms. Allocated memory was 339.7MB in the beginning and 417.3MB in the end (delta: 77.6MB). Free memory was 261.8MB in the beginning and 367.1MB in the end (delta: -105.2MB). Peak memory consumption was 23.2MB. Max. memory is 16.0GB. * TraceAbstraction took 3155.17ms. Allocated memory was 417.3MB in the beginning and 834.7MB in the end (delta: 417.3MB). Free memory was 367.1MB in the beginning and 559.2MB in the end (delta: -192.1MB). Peak memory consumption was 227.3MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 185 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 267 IncrementalHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 5 mSDtfsCounter, 267 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=840occurred in iteration=5, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 324 NumberOfCodeBlocks, 324 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 319 ConstructedInterpolants, 0 QuantifiedInterpolants, 897 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 06:42:51,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...