/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/bigshot_s.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-15 21:17:50,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 21:17:50,418 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-15 21:17:50,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 21:17:50,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 21:17:50,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 21:17:50,452 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 21:17:50,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 21:17:50,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 21:17:50,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 21:17:50,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 21:17:50,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 21:17:50,453 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 21:17:50,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 21:17:50,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 21:17:50,454 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-15 21:17:50,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-15 21:17:50,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-15 21:17:50,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 21:17:50,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 21:17:50,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 21:17:50,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 21:17:50,456 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-15 21:17:50,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 21:17:50,456 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 21:17:50,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 21:17:50,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 21:17:50,457 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-15 21:17:50,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 21:17:50,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 21:17:50,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 21:17:50,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 21:17:50,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 21:17:50,457 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-15 21:17:50,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-15 21:17:50,458 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 21:17:50,458 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-15 21:17:50,458 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-15 21:17:50,458 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-15 21:17:50,458 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-15 21:17:50,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 21:17:50,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 21:17:50,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 21:17:50,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 21:17:50,747 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 21:17:50,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/bigshot_s.i [2024-11-15 21:17:52,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 21:17:52,470 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 21:17:52,471 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/bigshot_s.i [2024-11-15 21:17:52,492 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/2144b8d4a/08a05a112746401bb36899153275ff66/FLAG24dfeeb5c [2024-11-15 21:17:52,513 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/2144b8d4a/08a05a112746401bb36899153275ff66 [2024-11-15 21:17:52,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 21:17:52,517 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 21:17:52,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 21:17:52,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 21:17:52,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 21:17:52,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:17:52" (1/1) ... [2024-11-15 21:17:52,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a92f865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:52, skipping insertion in model container [2024-11-15 21:17:52,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:17:52" (1/1) ... [2024-11-15 21:17:52,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 21:17:52,949 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/bigshot_s.i[55202,55215] [2024-11-15 21:17:52,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 21:17:52,981 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 21:17:53,043 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/bigshot_s.i[55202,55215] [2024-11-15 21:17:53,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 21:17:53,117 INFO L204 MainTranslator]: Completed translation [2024-11-15 21:17:53,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:53 WrapperNode [2024-11-15 21:17:53,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 21:17:53,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 21:17:53,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 21:17:53,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 21:17:53,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:53" (1/1) ... [2024-11-15 21:17:53,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:53" (1/1) ... [2024-11-15 21:17:53,176 INFO L138 Inliner]: procedures = 322, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-15 21:17:53,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 21:17:53,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 21:17:53,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 21:17:53,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 21:17:53,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:53" (1/1) ... [2024-11-15 21:17:53,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:53" (1/1) ... [2024-11-15 21:17:53,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:53" (1/1) ... [2024-11-15 21:17:53,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:53" (1/1) ... [2024-11-15 21:17:53,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:53" (1/1) ... [2024-11-15 21:17:53,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:53" (1/1) ... [2024-11-15 21:17:53,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:53" (1/1) ... [2024-11-15 21:17:53,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:53" (1/1) ... [2024-11-15 21:17:53,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 21:17:53,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 21:17:53,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 21:17:53,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 21:17:53,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:53" (1/1) ... [2024-11-15 21:17:53,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 21:17:53,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:17:53,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-15 21:17:53,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-15 21:17:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-15 21:17:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-15 21:17:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-15 21:17:53,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-15 21:17:53,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-15 21:17:53,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-15 21:17:53,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-15 21:17:53,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 21:17:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-15 21:17:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 21:17:53,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 21:17:53,275 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-15 21:17:53,416 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 21:17:53,418 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 21:17:53,601 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-15 21:17:53,601 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 21:17:53,610 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 21:17:53,610 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-15 21:17:53,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:17:53 BoogieIcfgContainer [2024-11-15 21:17:53,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 21:17:53,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 21:17:53,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 21:17:53,633 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 21:17:53,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:17:52" (1/3) ... [2024-11-15 21:17:53,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67deb40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:17:53, skipping insertion in model container [2024-11-15 21:17:53,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:17:53" (2/3) ... [2024-11-15 21:17:53,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67deb40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:17:53, skipping insertion in model container [2024-11-15 21:17:53,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:17:53" (3/3) ... [2024-11-15 21:17:53,635 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2024-11-15 21:17:53,649 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 21:17:53,652 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG bigshot_s.i that has 3 procedures, 78 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-15 21:17:53,652 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-15 21:17:53,728 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-15 21:17:53,789 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:17:53,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-15 21:17:53,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:17:53,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-15 21:17:53,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-15 21:17:53,884 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 21:17:53,896 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-15 21:17:53,901 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@6a309444, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:17:53,901 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-15 21:17:54,085 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:17:54,085 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:17:54,085 INFO L132 ounterexampleChecker]: Examining path program with hash -2066006989, occurence #1 [2024-11-15 21:17:54,085 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:17:54,085 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:17:54,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:17:54,091 INFO L85 PathProgramCache]: Analyzing trace with hash -539932815, now seen corresponding path program 1 times [2024-11-15 21:17:54,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:17:54,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953688585] [2024-11-15 21:17:54,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:17:54,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:17:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:17:54,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:17:54,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:17:54,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953688585] [2024-11-15 21:17:54,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953688585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:17:54,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:17:54,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 21:17:54,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335765611] [2024-11-15 21:17:54,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:17:54,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-15 21:17:54,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:17:54,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-15 21:17:54,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-15 21:17:54,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:54,346 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:17:54,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 21:17:54,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:54,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:54,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-15 21:17:54,381 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:17:54,381 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:17:54,381 INFO L132 ounterexampleChecker]: Examining path program with hash 2031106432, occurence #1 [2024-11-15 21:17:54,381 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:17:54,381 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:17:54,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:17:54,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1679638900, now seen corresponding path program 1 times [2024-11-15 21:17:54,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:17:54,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187973897] [2024-11-15 21:17:54,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:17:54,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:17:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:17:54,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:17:54,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:17:54,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187973897] [2024-11-15 21:17:54,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187973897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:17:54,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:17:54,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-15 21:17:54,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421892848] [2024-11-15 21:17:54,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:17:54,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-15 21:17:54,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:17:54,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-15 21:17:54,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-15 21:17:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:54,715 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:17:54,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 21:17:54,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:54,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:54,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:54,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 21:17:54,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-15 21:17:54,784 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:17:54,784 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:17:54,785 INFO L132 ounterexampleChecker]: Examining path program with hash -1103528331, occurence #1 [2024-11-15 21:17:54,785 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:17:54,785 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:17:54,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:17:54,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1196737436, now seen corresponding path program 1 times [2024-11-15 21:17:54,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:17:54,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653482287] [2024-11-15 21:17:54,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:17:54,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:17:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:17:55,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:17:55,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:17:55,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653482287] [2024-11-15 21:17:55,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653482287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:17:55,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:17:55,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-15 21:17:55,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967402319] [2024-11-15 21:17:55,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:17:55,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 21:17:55,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:17:55,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 21:17:55,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-15 21:17:55,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:55,122 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:17:55,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 21:17:55,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:55,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 21:17:55,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:55,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:55,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 21:17:55,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:17:55,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-15 21:17:55,292 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:17:55,292 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:17:55,292 INFO L132 ounterexampleChecker]: Examining path program with hash 222694683, occurence #1 [2024-11-15 21:17:55,292 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:17:55,292 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:17:55,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:17:55,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1190858816, now seen corresponding path program 1 times [2024-11-15 21:17:55,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:17:55,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398221658] [2024-11-15 21:17:55,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:17:55,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:17:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:17:55,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:17:55,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:17:55,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398221658] [2024-11-15 21:17:55,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398221658] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:17:55,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78986733] [2024-11-15 21:17:55,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:17:55,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:17:55,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:17:55,767 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 21:17:55,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-15 21:17:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:17:55,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-15 21:17:55,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:17:56,016 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-15 21:17:56,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-15 21:17:56,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-15 21:17:56,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-15 21:17:56,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:17:56,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 21:17:56,452 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_23 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_23) |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12#1| 1)))) is different from false [2024-11-15 21:17:56,481 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_23 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_23) |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| 1)))) is different from false [2024-11-15 21:17:56,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2024-11-15 21:17:56,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-15 21:17:56,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78986733] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 21:17:56,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 21:17:56,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-11-15 21:17:56,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578950830] [2024-11-15 21:17:56,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 21:17:56,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-15 21:17:56,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:17:56,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-15 21:17:56,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=569, Unknown=4, NotChecked=98, Total=756 [2024-11-15 21:17:56,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:56,829 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:17:56,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.642857142857143) internal successors, (158), 28 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 21:17:56,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:56,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 21:17:56,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:17:56,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:57,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:17:57,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 21:17:57,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:17:57,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-15 21:17:57,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-15 21:17:57,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:17:57,470 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:17:57,470 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:17:57,470 INFO L132 ounterexampleChecker]: Examining path program with hash 222694683, occurence #2 [2024-11-15 21:17:57,470 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 21:17:57,470 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 21:17:57,471 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,471 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-15 21:17:57,471 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,471 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-15 21:17:57,471 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,471 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-15 21:17:57,471 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,472 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-15 21:17:57,472 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,472 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-15 21:17:57,472 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,472 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-15 21:17:57,472 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,472 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-15 21:17:57,472 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,472 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-15 21:17:57,472 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,472 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-15 21:17:57,472 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,472 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-15 21:17:57,484 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:17:57,484 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-15 21:17:57,484 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:17:57,484 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-15 21:17:57,484 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,484 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-15 21:17:57,485 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:17:57,485 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-15 21:17:57,485 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,486 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-15 21:17:57,486 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,486 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-15 21:17:57,486 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,486 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-15 21:17:57,486 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,486 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-15 21:17:57,486 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,486 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-15 21:17:57,486 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:17:57,486 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-15 21:17:57,486 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,486 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-15 21:17:57,487 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,487 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-15 21:17:57,487 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,487 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-15 21:17:57,487 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:17:57,487 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 21:17:57,487 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:17:57,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:17:57,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1000499940, now seen corresponding path program 2 times [2024-11-15 21:17:57,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:17:57,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723491359] [2024-11-15 21:17:57,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:17:57,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:17:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:17:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:17:57,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:17:57,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723491359] [2024-11-15 21:17:57,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723491359] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:17:57,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79399478] [2024-11-15 21:17:57,930 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-15 21:17:57,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:17:57,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:17:57,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 21:17:57,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-15 21:17:58,011 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-15 21:17:58,011 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 21:17:58,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-15 21:17:58,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:17:58,356 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-15 21:17:58,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-15 21:17:58,499 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-15 21:17:58,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-11-15 21:17:58,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-15 21:17:58,594 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-15 21:17:58,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-11-15 21:17:58,766 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:17:58,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 21:17:59,366 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12#1_26| Int)) (or (< |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12#1_26| (+ |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12#1| 1)) (forall ((v_ArrVal_44 Int)) (= (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| (store (select |c_#memory_int| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base|) (+ |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12#1_26| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_44)) c_~v~0.base) c_~v~0.offset) 66)))) is different from false [2024-11-15 21:18:08,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 1 times theorem prover too weak. 0 trivial. 3 not checked. [2024-11-15 21:18:08,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79399478] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 21:18:08,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 21:18:08,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 15] total 34 [2024-11-15 21:18:08,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441826206] [2024-11-15 21:18:08,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 21:18:08,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-15 21:18:08,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:18:08,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-15 21:18:08,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=945, Unknown=5, NotChecked=62, Total=1122 [2024-11-15 21:18:08,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:18:08,148 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:18:08,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.235294117647059) internal successors, (178), 34 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 21:18:08,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:18:08,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 21:18:08,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:18:08,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-15 21:18:08,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:18:09,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:18:09,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 21:18:09,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:18:09,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-15 21:18:09,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-15 21:18:09,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-15 21:18:09,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:18:09,928 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:18:09,928 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:18:09,928 INFO L132 ounterexampleChecker]: Examining path program with hash 2080738545, occurence #1 [2024-11-15 21:18:09,928 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:18:09,928 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:18:09,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:18:09,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1046493780, now seen corresponding path program 1 times [2024-11-15 21:18:09,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:18:09,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458242932] [2024-11-15 21:18:09,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:18:09,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:18:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:18:09,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:18:09,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:18:09,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458242932] [2024-11-15 21:18:09,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458242932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:18:09,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:18:09,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-15 21:18:09,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949145946] [2024-11-15 21:18:09,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:18:09,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-15 21:18:09,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:18:09,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-15 21:18:09,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-15 21:18:09,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:18:09,987 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:18:09,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 21:18:09,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:18:09,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-15 21:18:09,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:18:09,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-15 21:18:09,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-15 21:18:09,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:18:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:18:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 21:18:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:18:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-15 21:18:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-15 21:18:10,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-15 21:18:10,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-15 21:18:10,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-15 21:18:10,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-15 21:18:10,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-15 21:18:10,027 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-11-15 21:18:10,029 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-15 21:18:10,029 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-15 21:18:10,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-15 21:18:10,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:18:10 BasicIcfg [2024-11-15 21:18:10,050 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-15 21:18:10,050 INFO L158 Benchmark]: Toolchain (without parser) took 17533.82ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 70.3MB in the beginning and 49.5MB in the end (delta: 20.8MB). Peak memory consumption was 68.1MB. Max. memory is 8.0GB. [2024-11-15 21:18:10,051 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 21:18:10,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.38ms. Allocated memory is still 100.7MB. Free memory was 70.0MB in the beginning and 38.1MB in the end (delta: 31.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2024-11-15 21:18:10,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.04ms. Allocated memory is still 100.7MB. Free memory was 37.8MB in the beginning and 35.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 21:18:10,051 INFO L158 Benchmark]: Boogie Preprocessor took 26.70ms. Allocated memory is still 100.7MB. Free memory was 35.9MB in the beginning and 34.9MB in the end (delta: 985.4kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 21:18:10,052 INFO L158 Benchmark]: RCFGBuilder took 402.48ms. Allocated memory is still 100.7MB. Free memory was 34.6MB in the beginning and 22.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-15 21:18:10,052 INFO L158 Benchmark]: TraceAbstraction took 16434.27ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 21.5MB in the beginning and 49.5MB in the end (delta: -28.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2024-11-15 21:18:10,053 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 601.38ms. Allocated memory is still 100.7MB. Free memory was 70.0MB in the beginning and 38.1MB in the end (delta: 31.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.04ms. Allocated memory is still 100.7MB. Free memory was 37.8MB in the beginning and 35.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 26.70ms. Allocated memory is still 100.7MB. Free memory was 35.9MB in the beginning and 34.9MB in the end (delta: 985.4kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 402.48ms. Allocated memory is still 100.7MB. Free memory was 34.6MB in the beginning and 22.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 16434.27ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 21.5MB in the beginning and 49.5MB in the end (delta: -28.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 760, independent: 644, independent conditional: 206, independent unconditional: 438, dependent: 116, dependent conditional: 113, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 647, independent: 644, independent conditional: 206, independent unconditional: 438, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 647, independent: 644, independent conditional: 206, independent unconditional: 438, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 647, independent: 644, independent conditional: 206, independent unconditional: 438, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 647, independent: 644, independent conditional: 0, independent unconditional: 644, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 647, independent: 644, independent conditional: 0, independent unconditional: 644, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 432, independent: 429, independent conditional: 0, independent unconditional: 429, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 432, independent: 427, independent conditional: 0, independent unconditional: 427, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 131, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 647, independent: 215, independent conditional: 0, independent unconditional: 215, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 432, unknown conditional: 0, unknown unconditional: 432] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 429, Positive conditional cache size: 0, Positive unconditional cache size: 429, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 206, Maximal queried relation: 0, Independence queries for same thread: 113, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 101, Number of trivial persistent sets: 88, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 441, independent: 438, independent conditional: 0, independent unconditional: 438, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 760, independent: 644, independent conditional: 206, independent unconditional: 438, dependent: 116, dependent conditional: 113, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 647, independent: 644, independent conditional: 206, independent unconditional: 438, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 647, independent: 644, independent conditional: 206, independent unconditional: 438, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 647, independent: 644, independent conditional: 206, independent unconditional: 438, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 647, independent: 644, independent conditional: 0, independent unconditional: 644, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 647, independent: 644, independent conditional: 0, independent unconditional: 644, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 432, independent: 429, independent conditional: 0, independent unconditional: 429, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 432, independent: 427, independent conditional: 0, independent unconditional: 427, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 131, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 647, independent: 215, independent conditional: 0, independent unconditional: 215, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 432, unknown conditional: 0, unknown unconditional: 432] , Statistics on independence cache: Total cache size (in pairs): 432, Positive cache size: 429, Positive conditional cache size: 0, Positive unconditional cache size: 429, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 206, Maximal queried relation: 0, Independence queries for same thread: 113 - PositiveResult [Line: 1107]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 104 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 16.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 58, 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, 0.2s SatisfiabilityAnalysisTime, 12.7s InterpolantComputationTime, 519 NumberOfCodeBlocks, 519 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 649 ConstructedInterpolants, 53 QuantifiedInterpolants, 4871 SizeOfPredicates, 22 NumberOfNonLiveVariables, 363 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 1/39 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, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 20, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-15 21:18:10,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...