/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/mix013.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:40:35,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:40:35,483 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 06:40:35,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:40:35,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:40:35,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:40:35,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:40:35,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:40:35,515 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:40:35,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:40:35,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:40:35,519 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:40:35,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:40:35,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:40:35,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:40:35,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:40:35,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:40:35,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:40:35,522 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:40:35,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:40:35,522 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:40:35,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:40:35,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:40:35,523 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:40:35,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:40:35,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:40:35,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:40:35,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:40:35,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:40:35,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:40:35,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:40:35,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:40:35,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:40:35,526 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:40:35,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:40:35,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:40:35,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:40:35,772 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:40:35,773 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:40:35,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix013.oepc.i [2023-11-30 06:40:36,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:40:37,163 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:40:37,163 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix013.oepc.i [2023-11-30 06:40:37,180 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d9d0396f/b4e9f21a64e64ad7b70671f26be69dfc/FLAGa297f254f [2023-11-30 06:40:37,193 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d9d0396f/b4e9f21a64e64ad7b70671f26be69dfc [2023-11-30 06:40:37,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:40:37,196 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:40:37,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:40:37,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:40:37,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:40:37,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:40:37" (1/1) ... [2023-11-30 06:40:37,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ab6f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:37, skipping insertion in model container [2023-11-30 06:40:37,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:40:37" (1/1) ... [2023-11-30 06:40:37,254 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:40:37,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:40:37,633 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:40:37,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:40:37,736 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:40:37,736 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:40:37,742 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:40:37,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:37 WrapperNode [2023-11-30 06:40:37,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:40:37,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:40:37,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:40:37,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:40:37,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:37" (1/1) ... [2023-11-30 06:40:37,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:37" (1/1) ... [2023-11-30 06:40:37,803 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 154 [2023-11-30 06:40:37,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:40:37,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:40:37,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:40:37,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:40:37,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:37" (1/1) ... [2023-11-30 06:40:37,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:37" (1/1) ... [2023-11-30 06:40:37,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:37" (1/1) ... [2023-11-30 06:40:37,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:37" (1/1) ... [2023-11-30 06:40:37,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:37" (1/1) ... [2023-11-30 06:40:37,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:37" (1/1) ... [2023-11-30 06:40:37,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:37" (1/1) ... [2023-11-30 06:40:37,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:37" (1/1) ... [2023-11-30 06:40:37,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:40:37,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:40:37,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:40:37,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:40:37,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:37" (1/1) ... [2023-11-30 06:40:37,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:40:37,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:40:37,900 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 06:40:37,926 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 06:40:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:40:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:40:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:40:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:40:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:40:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:40:37,931 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:40:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:40:37,932 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:40:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-30 06:40:37,932 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-30 06:40:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-30 06:40:37,932 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-30 06:40:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:40:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:40:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:40:37,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:40:37,934 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 06:40:38,071 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:40:38,072 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:40:38,402 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:40:38,529 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:40:38,529 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:40:38,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:40:38 BoogieIcfgContainer [2023-11-30 06:40:38,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:40:38,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:40:38,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:40:38,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:40:38,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:40:37" (1/3) ... [2023-11-30 06:40:38,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b8f81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:40:38, skipping insertion in model container [2023-11-30 06:40:38,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:37" (2/3) ... [2023-11-30 06:40:38,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b8f81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:40:38, skipping insertion in model container [2023-11-30 06:40:38,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:40:38" (3/3) ... [2023-11-30 06:40:38,537 INFO L112 eAbstractionObserver]: Analyzing ICFG mix013.oepc.i [2023-11-30 06:40:38,548 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:40:38,549 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-30 06:40:38,549 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:40:38,612 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:40:38,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 148 transitions, 312 flow [2023-11-30 06:40:38,713 INFO L124 PetriNetUnfolderBase]: 3/144 cut-off events. [2023-11-30 06:40:38,715 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:40:38,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 144 events. 3/144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 111 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 104. Up to 2 conditions per place. [2023-11-30 06:40:38,720 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 148 transitions, 312 flow [2023-11-30 06:40:38,725 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 154 places, 144 transitions, 300 flow [2023-11-30 06:40:38,735 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:40:38,742 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;@1e9977b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:40:38,742 INFO L363 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-30 06:40:38,763 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:40:38,764 INFO L124 PetriNetUnfolderBase]: 0/54 cut-off events. [2023-11-30 06:40:38,764 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:40:38,764 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:40:38,765 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] [2023-11-30 06:40:38,765 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 06:40:38,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:40:38,771 INFO L85 PathProgramCache]: Analyzing trace with hash 979191232, now seen corresponding path program 1 times [2023-11-30 06:40:38,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:40:38,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335199184] [2023-11-30 06:40:38,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:40:38,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:40:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:40:39,166 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 06:40:39,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:40:39,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335199184] [2023-11-30 06:40:39,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335199184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:40:39,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:40:39,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:40:39,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447918645] [2023-11-30 06:40:39,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:40:39,178 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:40:39,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:40:39,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:40:39,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:40:39,219 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 148 [2023-11-30 06:40:39,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 144 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 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 06:40:39,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:40:39,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 148 [2023-11-30 06:40:39,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:40:41,070 INFO L124 PetriNetUnfolderBase]: 4102/9792 cut-off events. [2023-11-30 06:40:41,070 INFO L125 PetriNetUnfolderBase]: For 103/103 co-relation queries the response was YES. [2023-11-30 06:40:41,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15817 conditions, 9792 events. 4102/9792 cut-off events. For 103/103 co-relation queries the response was YES. Maximal size of possible extension queue 494. Compared 91783 event pairs, 2696 based on Foata normal form. 456/7722 useless extension candidates. Maximal degree in co-relation 15761. Up to 5438 conditions per place. [2023-11-30 06:40:41,177 INFO L140 encePairwiseOnDemand]: 132/148 looper letters, 35 selfloop transitions, 5 changer transitions 0/153 dead transitions. [2023-11-30 06:40:41,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 153 transitions, 407 flow [2023-11-30 06:40:41,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:40:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:40:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 411 transitions. [2023-11-30 06:40:41,194 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9256756756756757 [2023-11-30 06:40:41,195 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 411 transitions. [2023-11-30 06:40:41,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 411 transitions. [2023-11-30 06:40:41,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:40:41,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 411 transitions. [2023-11-30 06:40:41,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 137.0) internal successors, (411), 3 states have internal predecessors, (411), 0 states have call successors, (0), 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 06:40:41,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 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 06:40:41,209 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 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 06:40:41,213 INFO L307 CegarLoopForPetriNet]: 154 programPoint places, -1 predicate places. [2023-11-30 06:40:41,214 INFO L500 AbstractCegarLoop]: Abstraction has has 153 places, 153 transitions, 407 flow [2023-11-30 06:40:41,214 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 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 06:40:41,214 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:40:41,214 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] [2023-11-30 06:40:41,215 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:40:41,215 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 06:40:41,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:40:41,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1728617590, now seen corresponding path program 1 times [2023-11-30 06:40:41,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:40:41,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310878153] [2023-11-30 06:40:41,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:40:41,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:40:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:40:41,411 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 06:40:41,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:40:41,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310878153] [2023-11-30 06:40:41,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310878153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:40:41,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:40:41,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:40:41,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570573922] [2023-11-30 06:40:41,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:40:41,413 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:40:41,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:40:41,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:40:41,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:40:41,415 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 148 [2023-11-30 06:40:41,416 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 153 transitions, 407 flow. Second operand has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 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 06:40:41,416 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:40:41,416 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 148 [2023-11-30 06:40:41,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:40:42,402 INFO L124 PetriNetUnfolderBase]: 2267/6046 cut-off events. [2023-11-30 06:40:42,402 INFO L125 PetriNetUnfolderBase]: For 408/5214 co-relation queries the response was YES. [2023-11-30 06:40:42,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12639 conditions, 6046 events. 2267/6046 cut-off events. For 408/5214 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 55359 event pairs, 1045 based on Foata normal form. 32/5128 useless extension candidates. Maximal degree in co-relation 12580. Up to 2843 conditions per place. [2023-11-30 06:40:42,447 INFO L140 encePairwiseOnDemand]: 139/148 looper letters, 31 selfloop transitions, 5 changer transitions 0/149 dead transitions. [2023-11-30 06:40:42,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 149 transitions, 463 flow [2023-11-30 06:40:42,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:40:42,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:40:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 516 transitions. [2023-11-30 06:40:42,449 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8716216216216216 [2023-11-30 06:40:42,449 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 516 transitions. [2023-11-30 06:40:42,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 516 transitions. [2023-11-30 06:40:42,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:40:42,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 516 transitions. [2023-11-30 06:40:42,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:40:42,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 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 06:40:42,453 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 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 06:40:42,453 INFO L307 CegarLoopForPetriNet]: 154 programPoint places, -2 predicate places. [2023-11-30 06:40:42,454 INFO L500 AbstractCegarLoop]: Abstraction has has 152 places, 149 transitions, 463 flow [2023-11-30 06:40:42,454 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 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 06:40:42,454 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:40:42,454 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] [2023-11-30 06:40:42,454 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:40:42,455 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 06:40:42,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:40:42,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1829081053, now seen corresponding path program 1 times [2023-11-30 06:40:42,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:40:42,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928958031] [2023-11-30 06:40:42,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:40:42,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:40:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:40:42,570 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 06:40:42,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:40:42,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928958031] [2023-11-30 06:40:42,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928958031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:40:42,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:40:42,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:40:42,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133480692] [2023-11-30 06:40:42,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:40:42,574 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:40:42,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:40:42,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:40:42,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:40:42,580 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 148 [2023-11-30 06:40:42,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 149 transitions, 463 flow. Second operand has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 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 06:40:42,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:40:42,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 148 [2023-11-30 06:40:42,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:40:43,179 INFO L124 PetriNetUnfolderBase]: 1367/3739 cut-off events. [2023-11-30 06:40:43,180 INFO L125 PetriNetUnfolderBase]: For 935/3933 co-relation queries the response was YES. [2023-11-30 06:40:43,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9784 conditions, 3739 events. 1367/3739 cut-off events. For 935/3933 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 31331 event pairs, 388 based on Foata normal form. 30/3416 useless extension candidates. Maximal degree in co-relation 9722. Up to 1600 conditions per place. [2023-11-30 06:40:43,214 INFO L140 encePairwiseOnDemand]: 139/148 looper letters, 41 selfloop transitions, 9 changer transitions 0/163 dead transitions. [2023-11-30 06:40:43,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 163 transitions, 653 flow [2023-11-30 06:40:43,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:40:43,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:40:43,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 530 transitions. [2023-11-30 06:40:43,216 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8952702702702703 [2023-11-30 06:40:43,216 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 530 transitions. [2023-11-30 06:40:43,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 530 transitions. [2023-11-30 06:40:43,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:40:43,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 530 transitions. [2023-11-30 06:40:43,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 0 states have call successors, (0), 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 06:40:43,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 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 06:40:43,220 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 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 06:40:43,221 INFO L307 CegarLoopForPetriNet]: 154 programPoint places, 1 predicate places. [2023-11-30 06:40:43,221 INFO L500 AbstractCegarLoop]: Abstraction has has 155 places, 163 transitions, 653 flow [2023-11-30 06:40:43,222 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 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 06:40:43,222 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:40:43,222 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] [2023-11-30 06:40:43,222 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:40:43,222 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 06:40:43,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:40:43,223 INFO L85 PathProgramCache]: Analyzing trace with hash 126301066, now seen corresponding path program 1 times [2023-11-30 06:40:43,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:40:43,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979592053] [2023-11-30 06:40:43,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:40:43,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:40:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:40:43,359 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 06:40:43,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:40:43,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979592053] [2023-11-30 06:40:43,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979592053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:40:43,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:40:43,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 06:40:43,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235148074] [2023-11-30 06:40:43,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:40:43,360 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 06:40:43,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:40:43,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 06:40:43,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-30 06:40:43,362 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 148 [2023-11-30 06:40:43,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 163 transitions, 653 flow. Second operand has 5 states, 5 states have (on average 121.2) internal successors, (606), 5 states have internal predecessors, (606), 0 states have call successors, (0), 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 06:40:43,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:40:43,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 148 [2023-11-30 06:40:43,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:40:43,912 INFO L124 PetriNetUnfolderBase]: 1184/3157 cut-off events. [2023-11-30 06:40:43,913 INFO L125 PetriNetUnfolderBase]: For 1427/3687 co-relation queries the response was YES. [2023-11-30 06:40:43,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9996 conditions, 3157 events. 1184/3157 cut-off events. For 1427/3687 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 25175 event pairs, 331 based on Foata normal form. 110/3108 useless extension candidates. Maximal degree in co-relation 9931. Up to 1306 conditions per place. [2023-11-30 06:40:43,947 INFO L140 encePairwiseOnDemand]: 139/148 looper letters, 46 selfloop transitions, 13 changer transitions 4/176 dead transitions. [2023-11-30 06:40:43,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 176 transitions, 886 flow [2023-11-30 06:40:43,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 06:40:43,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 06:40:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 662 transitions. [2023-11-30 06:40:43,949 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8945945945945946 [2023-11-30 06:40:43,950 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 662 transitions. [2023-11-30 06:40:43,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 662 transitions. [2023-11-30 06:40:43,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:40:43,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 662 transitions. [2023-11-30 06:40:43,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 132.4) internal successors, (662), 5 states have internal predecessors, (662), 0 states have call successors, (0), 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 06:40:43,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 148.0) internal successors, (888), 6 states have internal predecessors, (888), 0 states have call successors, (0), 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 06:40:43,953 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 148.0) internal successors, (888), 6 states have internal predecessors, (888), 0 states have call successors, (0), 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 06:40:43,954 INFO L307 CegarLoopForPetriNet]: 154 programPoint places, 5 predicate places. [2023-11-30 06:40:43,954 INFO L500 AbstractCegarLoop]: Abstraction has has 159 places, 176 transitions, 886 flow [2023-11-30 06:40:43,955 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 121.2) internal successors, (606), 5 states have internal predecessors, (606), 0 states have call successors, (0), 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 06:40:43,955 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:40:43,955 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, 1, 1, 1, 1, 1] [2023-11-30 06:40:43,955 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:40:43,955 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 06:40:43,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:40:43,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1496996202, now seen corresponding path program 1 times [2023-11-30 06:40:43,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:40:43,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685934931] [2023-11-30 06:40:43,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:40:43,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:40:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:40:44,118 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 06:40:44,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:40:44,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685934931] [2023-11-30 06:40:44,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685934931] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:40:44,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:40:44,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 06:40:44,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69236543] [2023-11-30 06:40:44,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:40:44,121 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 06:40:44,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:40:44,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 06:40:44,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 06:40:44,123 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 148 [2023-11-30 06:40:44,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 176 transitions, 886 flow. Second operand has 6 states, 6 states have (on average 121.5) internal successors, (729), 6 states have internal predecessors, (729), 0 states have call successors, (0), 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 06:40:44,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:40:44,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 148 [2023-11-30 06:40:44,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:40:44,729 INFO L124 PetriNetUnfolderBase]: 1176/3100 cut-off events. [2023-11-30 06:40:44,730 INFO L125 PetriNetUnfolderBase]: For 2149/4379 co-relation queries the response was YES. [2023-11-30 06:40:44,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11521 conditions, 3100 events. 1176/3100 cut-off events. For 2149/4379 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 24467 event pairs, 351 based on Foata normal form. 120/3082 useless extension candidates. Maximal degree in co-relation 11453. Up to 1286 conditions per place. [2023-11-30 06:40:44,744 INFO L140 encePairwiseOnDemand]: 139/148 looper letters, 0 selfloop transitions, 0 changer transitions 174/174 dead transitions. [2023-11-30 06:40:44,744 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 174 transitions, 988 flow [2023-11-30 06:40:44,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 06:40:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 06:40:44,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 779 transitions. [2023-11-30 06:40:44,747 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8772522522522522 [2023-11-30 06:40:44,747 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 779 transitions. [2023-11-30 06:40:44,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 779 transitions. [2023-11-30 06:40:44,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:40:44,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 779 transitions. [2023-11-30 06:40:44,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.83333333333334) internal successors, (779), 6 states have internal predecessors, (779), 0 states have call successors, (0), 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 06:40:44,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 148.0) internal successors, (1036), 7 states have internal predecessors, (1036), 0 states have call successors, (0), 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 06:40:44,752 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 148.0) internal successors, (1036), 7 states have internal predecessors, (1036), 0 states have call successors, (0), 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 06:40:44,752 INFO L307 CegarLoopForPetriNet]: 154 programPoint places, 6 predicate places. [2023-11-30 06:40:44,753 INFO L500 AbstractCegarLoop]: Abstraction has has 160 places, 174 transitions, 988 flow [2023-11-30 06:40:44,753 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 121.5) internal successors, (729), 6 states have internal predecessors, (729), 0 states have call successors, (0), 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 06:40:44,760 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix013.oepc.i_BEv2_AllErrorsAtOnce [2023-11-30 06:40:44,779 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-30 06:40:44,780 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-30 06:40:44,780 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-30 06:40:44,780 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-30 06:40:44,780 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-30 06:40:44,780 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-30 06:40:44,780 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-30 06:40:44,781 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-30 06:40:44,781 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-30 06:40:44,781 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-30 06:40:44,781 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-30 06:40:44,781 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-30 06:40:44,781 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-30 06:40:44,782 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-30 06:40:44,782 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-30 06:40:44,782 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-30 06:40:44,782 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-30 06:40:44,782 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-30 06:40:44,782 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-30 06:40:44,783 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-30 06:40:44,783 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 06:40:44,783 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 06:40:44,788 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:40:44,788 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:40:44,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:40:44 BasicIcfg [2023-11-30 06:40:44,794 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:40:44,795 INFO L158 Benchmark]: Toolchain (without parser) took 7598.30ms. Allocated memory was 501.2MB in the beginning and 2.5GB in the end (delta: 2.0GB). Free memory was 449.6MB in the beginning and 2.1GB in the end (delta: -1.7GB). Peak memory consumption was 454.5MB. Max. memory is 16.0GB. [2023-11-30 06:40:44,795 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 339.7MB. Free memory is still 291.8MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:40:44,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.66ms. Allocated memory is still 501.2MB. Free memory was 449.2MB in the beginning and 425.0MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-11-30 06:40:44,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.28ms. Allocated memory is still 501.2MB. Free memory was 425.0MB in the beginning and 422.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:40:44,796 INFO L158 Benchmark]: Boogie Preprocessor took 57.07ms. Allocated memory is still 501.2MB. Free memory was 422.4MB in the beginning and 420.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:40:44,797 INFO L158 Benchmark]: RCFGBuilder took 669.12ms. Allocated memory is still 501.2MB. Free memory was 420.3MB in the beginning and 437.5MB in the end (delta: -17.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.0GB. [2023-11-30 06:40:44,797 INFO L158 Benchmark]: TraceAbstraction took 6261.92ms. Allocated memory was 501.2MB in the beginning and 2.5GB in the end (delta: 2.0GB). Free memory was 436.5MB in the beginning and 2.1GB in the end (delta: -1.7GB). Peak memory consumption was 441.4MB. Max. memory is 16.0GB. [2023-11-30 06:40:44,799 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 339.7MB. Free memory is still 291.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 545.66ms. Allocated memory is still 501.2MB. Free memory was 449.2MB in the beginning and 425.0MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 59.28ms. Allocated memory is still 501.2MB. Free memory was 425.0MB in the beginning and 422.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 57.07ms. Allocated memory is still 501.2MB. Free memory was 422.4MB in the beginning and 420.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 669.12ms. Allocated memory is still 501.2MB. Free memory was 420.3MB in the beginning and 437.5MB in the end (delta: -17.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.0GB. * TraceAbstraction took 6261.92ms. Allocated memory was 501.2MB in the beginning and 2.5GB in the end (delta: 2.0GB). Free memory was 436.5MB in the beginning and 2.1GB in the end (delta: -1.7GB). Peak memory consumption was 441.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 802]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 802]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 858]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 858]: 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, 192 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: 6.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 317 IncrementalHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 5 mSDtfsCounter, 317 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=988occurred 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 957 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 06:40:44,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...