/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-ext/18_read_write_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:25:59,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:25:59,367 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 06:25:59,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:25:59,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:25:59,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:25:59,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:25:59,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:25:59,392 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:25:59,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:25:59,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:25:59,396 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:25:59,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:25:59,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:25:59,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:25:59,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:25:59,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:25:59,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:25:59,397 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:25:59,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:25:59,398 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:25:59,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:25:59,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:25:59,399 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:25:59,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:25:59,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:25:59,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:25:59,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:25:59,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:25:59,400 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:25:59,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:25:59,401 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:25:59,401 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:25:59,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:25:59,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:25:59,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:25:59,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:25:59,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:25:59,616 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:25:59,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2023-11-30 06:26:00,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:26:00,746 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:26:00,747 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2023-11-30 06:26:00,759 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/747e00105/1ad54bbf078a424bb9c725c9ac4700b0/FLAGadf3906e9 [2023-11-30 06:26:00,771 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/747e00105/1ad54bbf078a424bb9c725c9ac4700b0 [2023-11-30 06:26:00,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:26:00,774 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:26:00,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:26:00,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:26:00,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:26:00,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:26:00" (1/1) ... [2023-11-30 06:26:00,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474d660a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:26:00, skipping insertion in model container [2023-11-30 06:26:00,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:26:00" (1/1) ... [2023-11-30 06:26:00,827 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:26:01,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:26:01,048 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:26:01,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:26:01,102 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:26:01,102 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:26:01,107 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:26:01,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:26:01 WrapperNode [2023-11-30 06:26:01,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:26:01,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:26:01,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:26:01,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:26:01,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:26:01" (1/1) ... [2023-11-30 06:26:01,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:26:01" (1/1) ... [2023-11-30 06:26:01,154 INFO L138 Inliner]: procedures = 173, calls = 32, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 84 [2023-11-30 06:26:01,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:26:01,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:26:01,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:26:01,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:26:01,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:26:01" (1/1) ... [2023-11-30 06:26:01,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:26:01" (1/1) ... [2023-11-30 06:26:01,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:26:01" (1/1) ... [2023-11-30 06:26:01,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:26:01" (1/1) ... [2023-11-30 06:26:01,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:26:01" (1/1) ... [2023-11-30 06:26:01,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:26:01" (1/1) ... [2023-11-30 06:26:01,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:26:01" (1/1) ... [2023-11-30 06:26:01,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:26:01" (1/1) ... [2023-11-30 06:26:01,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:26:01,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:26:01,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:26:01,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:26:01,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:26:01" (1/1) ... [2023-11-30 06:26:01,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:26:01,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:26:01,208 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 06:26:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-30 06:26:01,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-30 06:26:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:26:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:26:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:26:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:26:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:26:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:26:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:26:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:26:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:26:01,234 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 06:26:01,227 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 06:26:01,352 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:26:01,355 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:26:01,462 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:26:01,501 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:26:01,501 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:26:01,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:26:01 BoogieIcfgContainer [2023-11-30 06:26:01,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:26:01,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:26:01,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:26:01,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:26:01,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:26:00" (1/3) ... [2023-11-30 06:26:01,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ebd04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:26:01, skipping insertion in model container [2023-11-30 06:26:01,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:26:01" (2/3) ... [2023-11-30 06:26:01,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ebd04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:26:01, skipping insertion in model container [2023-11-30 06:26:01,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:26:01" (3/3) ... [2023-11-30 06:26:01,508 INFO L112 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2023-11-30 06:26:01,519 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:26:01,519 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-30 06:26:01,519 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:26:01,546 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:26:01,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 61 transitions, 126 flow [2023-11-30 06:26:01,590 INFO L124 PetriNetUnfolderBase]: 2/60 cut-off events. [2023-11-30 06:26:01,590 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:26:01,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 60 events. 2/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 40 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2023-11-30 06:26:01,593 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 61 transitions, 126 flow [2023-11-30 06:26:01,595 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 48 transitions, 99 flow [2023-11-30 06:26:01,601 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:26:01,606 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;@17897f72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:26:01,606 INFO L363 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-30 06:26:01,612 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:26:01,612 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2023-11-30 06:26:01,612 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:26:01,612 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:26:01,613 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] [2023-11-30 06:26:01,613 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-30 06:26:01,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:26:01,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1543978155, now seen corresponding path program 1 times [2023-11-30 06:26:01,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:26:01,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063304129] [2023-11-30 06:26:01,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:26:01,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:26:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:26:01,891 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 06:26:01,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:26:01,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063304129] [2023-11-30 06:26:01,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063304129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:26:01,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:26:01,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:26:01,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835941880] [2023-11-30 06:26:01,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:26:01,902 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:26:01,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:26:01,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:26:01,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:26:01,927 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 61 [2023-11-30 06:26:01,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 48 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 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 06:26:01,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:26:01,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 61 [2023-11-30 06:26:01,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:26:02,041 INFO L124 PetriNetUnfolderBase]: 3/76 cut-off events. [2023-11-30 06:26:02,041 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 06:26:02,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 76 events. 3/76 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 132 event pairs, 0 based on Foata normal form. 6/76 useless extension candidates. Maximal degree in co-relation 75. Up to 10 conditions per place. [2023-11-30 06:26:02,042 INFO L140 encePairwiseOnDemand]: 54/61 looper letters, 8 selfloop transitions, 3 changer transitions 3/45 dead transitions. [2023-11-30 06:26:02,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 45 transitions, 115 flow [2023-11-30 06:26:02,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:26:02,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:26:02,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2023-11-30 06:26:02,051 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8797814207650273 [2023-11-30 06:26:02,051 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 161 transitions. [2023-11-30 06:26:02,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 161 transitions. [2023-11-30 06:26:02,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:26:02,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 161 transitions. [2023-11-30 06:26:02,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 06:26:02,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 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 06:26:02,061 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 0 states have call successors, (0), 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 06:26:02,063 INFO L307 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2023-11-30 06:26:02,063 INFO L500 AbstractCegarLoop]: Abstraction has has 47 places, 45 transitions, 115 flow [2023-11-30 06:26:02,064 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 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 06:26:02,064 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:26:02,064 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] [2023-11-30 06:26:02,064 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:26:02,064 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-30 06:26:02,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:26:02,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1689463149, now seen corresponding path program 1 times [2023-11-30 06:26:02,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:26:02,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425212355] [2023-11-30 06:26:02,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:26:02,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:26:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:26:02,210 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 06:26:02,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:26:02,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425212355] [2023-11-30 06:26:02,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425212355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:26:02,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:26:02,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 06:26:02,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778539872] [2023-11-30 06:26:02,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:26:02,213 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 06:26:02,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:26:02,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 06:26:02,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-30 06:26:02,215 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 61 [2023-11-30 06:26:02,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 45 transitions, 115 flow. Second operand has 5 states, 5 states have (on average 47.2) internal successors, (236), 5 states have internal predecessors, (236), 0 states have call successors, (0), 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 06:26:02,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:26:02,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 61 [2023-11-30 06:26:02,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:26:02,278 INFO L124 PetriNetUnfolderBase]: 1/57 cut-off events. [2023-11-30 06:26:02,278 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-30 06:26:02,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 57 events. 1/57 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 1 based on Foata normal form. 3/57 useless extension candidates. Maximal degree in co-relation 58. Up to 7 conditions per place. [2023-11-30 06:26:02,279 INFO L140 encePairwiseOnDemand]: 56/61 looper letters, 4 selfloop transitions, 3 changer transitions 3/40 dead transitions. [2023-11-30 06:26:02,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 40 transitions, 109 flow [2023-11-30 06:26:02,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 06:26:02,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 06:26:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 240 transitions. [2023-11-30 06:26:02,285 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7868852459016393 [2023-11-30 06:26:02,285 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 240 transitions. [2023-11-30 06:26:02,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 240 transitions. [2023-11-30 06:26:02,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:26:02,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 240 transitions. [2023-11-30 06:26:02,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 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 06:26:02,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 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 06:26:02,289 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 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 06:26:02,289 INFO L307 CegarLoopForPetriNet]: 50 programPoint places, 0 predicate places. [2023-11-30 06:26:02,290 INFO L500 AbstractCegarLoop]: Abstraction has has 50 places, 40 transitions, 109 flow [2023-11-30 06:26:02,290 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.2) internal successors, (236), 5 states have internal predecessors, (236), 0 states have call successors, (0), 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 06:26:02,290 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:26:02,290 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] [2023-11-30 06:26:02,290 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:26:02,290 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2023-11-30 06:26:02,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:26:02,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1689463150, now seen corresponding path program 1 times [2023-11-30 06:26:02,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:26:02,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287319517] [2023-11-30 06:26:02,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:26:02,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:26:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:26:02,352 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 06:26:02,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:26:02,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287319517] [2023-11-30 06:26:02,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287319517] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:26:02,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:26:02,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 06:26:02,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952048501] [2023-11-30 06:26:02,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:26:02,353 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 06:26:02,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:26:02,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 06:26:02,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-30 06:26:02,354 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 61 [2023-11-30 06:26:02,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 40 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 47.2) internal successors, (236), 5 states have internal predecessors, (236), 0 states have call successors, (0), 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 06:26:02,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:26:02,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 61 [2023-11-30 06:26:02,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:26:02,426 INFO L124 PetriNetUnfolderBase]: 1/55 cut-off events. [2023-11-30 06:26:02,426 INFO L125 PetriNetUnfolderBase]: For 24/26 co-relation queries the response was YES. [2023-11-30 06:26:02,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 55 events. 1/55 cut-off events. For 24/26 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 1 based on Foata normal form. 2/54 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2023-11-30 06:26:02,427 INFO L140 encePairwiseOnDemand]: 57/61 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions. [2023-11-30 06:26:02,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 39 transitions, 115 flow [2023-11-30 06:26:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 06:26:02,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 06:26:02,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 237 transitions. [2023-11-30 06:26:02,428 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7770491803278688 [2023-11-30 06:26:02,428 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 237 transitions. [2023-11-30 06:26:02,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 237 transitions. [2023-11-30 06:26:02,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:26:02,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 237 transitions. [2023-11-30 06:26:02,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 0 states have call successors, (0), 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 06:26:02,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 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 06:26:02,430 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 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 06:26:02,431 INFO L307 CegarLoopForPetriNet]: 50 programPoint places, 3 predicate places. [2023-11-30 06:26:02,431 INFO L500 AbstractCegarLoop]: Abstraction has has 53 places, 39 transitions, 115 flow [2023-11-30 06:26:02,431 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.2) internal successors, (236), 5 states have internal predecessors, (236), 0 states have call successors, (0), 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 06:26:02,438 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/18_read_write_lock.i_BEv2_AllErrorsAtOnce [2023-11-30 06:26:02,458 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2023-11-30 06:26:02,458 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2023-11-30 06:26:02,459 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2023-11-30 06:26:02,459 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2023-11-30 06:26:02,459 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-11-30 06:26:02,459 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:26:02,459 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-30 06:26:02,462 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:26:02,462 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:26:02,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:26:02 BasicIcfg [2023-11-30 06:26:02,466 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:26:02,467 INFO L158 Benchmark]: Toolchain (without parser) took 1692.31ms. Allocated memory is still 572.5MB. Free memory was 526.9MB in the beginning and 491.7MB in the end (delta: 35.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. [2023-11-30 06:26:02,467 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 354.4MB. Free memory is still 304.3MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:26:02,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.13ms. Allocated memory is still 572.5MB. Free memory was 526.9MB in the beginning and 507.1MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 06:26:02,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.74ms. Allocated memory is still 572.5MB. Free memory was 507.1MB in the beginning and 505.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:26:02,468 INFO L158 Benchmark]: Boogie Preprocessor took 27.82ms. Allocated memory is still 572.5MB. Free memory was 505.0MB in the beginning and 503.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:26:02,468 INFO L158 Benchmark]: RCFGBuilder took 319.70ms. Allocated memory is still 572.5MB. Free memory was 503.9MB in the beginning and 486.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-11-30 06:26:02,468 INFO L158 Benchmark]: TraceAbstraction took 962.24ms. Allocated memory is still 572.5MB. Free memory was 485.7MB in the beginning and 491.7MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:26:02,470 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 354.4MB. Free memory is still 304.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 331.13ms. Allocated memory is still 572.5MB. Free memory was 526.9MB in the beginning and 507.1MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 45.74ms. Allocated memory is still 572.5MB. Free memory was 507.1MB in the beginning and 505.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 27.82ms. Allocated memory is still 572.5MB. Free memory was 505.0MB in the beginning and 503.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 319.70ms. Allocated memory is still 572.5MB. Free memory was 503.9MB in the beginning and 486.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 962.24ms. Allocated memory is still 572.5MB. Free memory was 485.7MB in the beginning and 491.7MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 722]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 722]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 743]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 743]: 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 3 procedures, 68 locations, 5 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: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 6 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=1, InterpolantAutomatonStates: 13, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 06:26:02,488 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...