/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 SUFFICIENT_WITH_CONTEXT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 10:54:06,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 10:54:06,099 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 10:54:06,103 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 10:54:06,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 10:54:06,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 10:54:06,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 10:54:06,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 10:54:06,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 10:54:06,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 10:54:06,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 10:54:06,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 10:54:06,120 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 10:54:06,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 10:54:06,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 10:54:06,120 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 10:54:06,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 10:54:06,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 10:54:06,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 10:54:06,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 10:54:06,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 10:54:06,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 10:54:06,120 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 10:54:06,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 10:54:06,120 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 10:54:06,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 10:54:06,121 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 10:54:06,121 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 10:54:06,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 10:54:06,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 10:54:06,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 10:54:06,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 10:54:06,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 10:54:06,121 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 10:54:06,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 10:54:06,121 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 10:54:06,121 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 10:54:06,121 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 10:54:06,121 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 10:54:06,121 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 -> SUFFICIENT_WITH_CONTEXT [2024-11-14 10:54:06,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 10:54:06,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 10:54:06,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 10:54:06,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 10:54:06,338 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 10:54:06,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2024-11-14 10:54:07,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 10:54:07,728 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 10:54:07,729 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2024-11-14 10:54:07,736 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/c809ea4df/42224868a4f6412390592b8095272215/FLAG6097b9624 [2024-11-14 10:54:07,750 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/c809ea4df/42224868a4f6412390592b8095272215 [2024-11-14 10:54:07,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 10:54:07,752 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 10:54:07,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 10:54:07,753 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 10:54:07,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 10:54:07,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:54:07" (1/1) ... [2024-11-14 10:54:07,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1214eb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:54:07, skipping insertion in model container [2024-11-14 10:54:07,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:54:07" (1/1) ... [2024-11-14 10:54:07,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 10:54:07,881 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/weaver/popl20-send-receive.wvr.c[3146,3159] [2024-11-14 10:54:07,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 10:54:07,897 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 10:54:07,916 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/weaver/popl20-send-receive.wvr.c[3146,3159] [2024-11-14 10:54:07,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 10:54:07,931 INFO L204 MainTranslator]: Completed translation [2024-11-14 10:54:07,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:54:07 WrapperNode [2024-11-14 10:54:07,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 10:54:07,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 10:54:07,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 10:54:07,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 10:54:07,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:54:07" (1/1) ... [2024-11-14 10:54:07,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:54:07" (1/1) ... [2024-11-14 10:54:07,967 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 145 [2024-11-14 10:54:07,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 10:54:07,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 10:54:07,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 10:54:07,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 10:54:07,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:54:07" (1/1) ... [2024-11-14 10:54:07,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:54:07" (1/1) ... [2024-11-14 10:54:07,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:54:07" (1/1) ... [2024-11-14 10:54:07,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:54:07" (1/1) ... [2024-11-14 10:54:07,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:54:07" (1/1) ... [2024-11-14 10:54:07,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:54:07" (1/1) ... [2024-11-14 10:54:07,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:54:07" (1/1) ... [2024-11-14 10:54:07,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:54:07" (1/1) ... [2024-11-14 10:54:07,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 10:54:07,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 10:54:07,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 10:54:07,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 10:54:07,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:54:07" (1/1) ... [2024-11-14 10:54:08,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 10:54:08,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:54:08,024 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) [2024-11-14 10:54:08,030 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 [2024-11-14 10:54:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 10:54:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 10:54:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 10:54:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 10:54:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 10:54:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-14 10:54:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-14 10:54:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 10:54:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 10:54:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 10:54:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 10:54:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 10:54:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 10:54:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 10:54:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 10:54:08,047 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 10:54:08,124 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 10:54:08,126 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 10:54:08,326 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 10:54:08,326 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 10:54:08,379 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 10:54:08,379 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 10:54:08,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:54:08 BoogieIcfgContainer [2024-11-14 10:54:08,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 10:54:08,385 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 10:54:08,385 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 10:54:08,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 10:54:08,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 10:54:07" (1/3) ... [2024-11-14 10:54:08,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a62772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:54:08, skipping insertion in model container [2024-11-14 10:54:08,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:54:07" (2/3) ... [2024-11-14 10:54:08,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a62772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:54:08, skipping insertion in model container [2024-11-14 10:54:08,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:54:08" (3/3) ... [2024-11-14 10:54:08,393 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2024-11-14 10:54:08,424 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 10:54:08,425 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-send-receive.wvr.c that has 4 procedures, 124 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-14 10:54:08,425 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 10:54:08,473 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-14 10:54:08,516 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 10:54:08,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 10:54:08,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:54:08,519 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) [2024-11-14 10:54:08,520 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 [2024-11-14 10:54:08,575 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 10:54:08,586 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 10:54:08,592 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;@22ea1cc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 10:54:08,592 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-14 10:54:09,031 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 10:54:09,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:54:09,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1503356063, now seen corresponding path program 1 times [2024-11-14 10:54:09,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:54:09,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664132553] [2024-11-14 10:54:09,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:54:09,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:54:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:54:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:54:09,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:54:09,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664132553] [2024-11-14 10:54:09,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664132553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 10:54:09,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 10:54:09,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 10:54:09,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760910399] [2024-11-14 10:54:09,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 10:54:09,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 10:54:09,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:54:09,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 10:54:09,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 10:54:09,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:09,216 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:54:09,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 48.5) internal successors, (97), 2 states have internal predecessors, (97), 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) [2024-11-14 10:54:09,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:09,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 10:54:09,249 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 10:54:09,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:54:09,250 INFO L85 PathProgramCache]: Analyzing trace with hash 2139896054, now seen corresponding path program 1 times [2024-11-14 10:54:09,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:54:09,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266886221] [2024-11-14 10:54:09,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:54:09,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:54:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:54:09,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:54:09,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:54:09,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266886221] [2024-11-14 10:54:09,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266886221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 10:54:09,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 10:54:09,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 10:54:09,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140706453] [2024-11-14 10:54:09,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 10:54:09,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 10:54:09,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:54:09,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 10:54:09,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 10:54:09,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:09,439 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:54:09,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2024-11-14 10:54:09,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:09,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:09,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 10:54:09,518 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 10:54:09,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:54:09,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1039030526, now seen corresponding path program 1 times [2024-11-14 10:54:09,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:54:09,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224338324] [2024-11-14 10:54:09,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:54:09,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:54:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:54:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:54:09,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:54:09,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224338324] [2024-11-14 10:54:09,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224338324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 10:54:09,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 10:54:09,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 10:54:09,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107886987] [2024-11-14 10:54:09,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 10:54:09,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 10:54:09,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:54:09,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 10:54:09,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 10:54:09,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:09,734 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:54:09,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 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) [2024-11-14 10:54:09,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:09,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:09,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:09,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:09,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:09,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:54:09,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 10:54:09,839 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 10:54:09,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:54:09,840 INFO L85 PathProgramCache]: Analyzing trace with hash 891531137, now seen corresponding path program 1 times [2024-11-14 10:54:09,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:54:09,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854896264] [2024-11-14 10:54:09,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:54:09,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:54:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:54:10,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 10:54:10,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:54:10,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854896264] [2024-11-14 10:54:10,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854896264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 10:54:10,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 10:54:10,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 10:54:10,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814568227] [2024-11-14 10:54:10,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 10:54:10,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 10:54:10,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:54:10,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 10:54:10,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 10:54:10,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:10,009 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:54:10,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 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) [2024-11-14 10:54:10,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:10,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:10,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:54:10,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:10,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:10,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:10,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:54:10,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 10:54:10,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 10:54:10,087 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 10:54:10,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:54:10,087 INFO L85 PathProgramCache]: Analyzing trace with hash -598286446, now seen corresponding path program 2 times [2024-11-14 10:54:10,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:54:10,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966180050] [2024-11-14 10:54:10,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:54:10,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:54:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:54:10,518 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 10:54:10,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:54:10,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966180050] [2024-11-14 10:54:10,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966180050] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 10:54:10,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350536937] [2024-11-14 10:54:10,519 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 10:54:10,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:54:10,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:54:10,524 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) [2024-11-14 10:54:10,525 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 [2024-11-14 10:54:10,609 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 10:54:10,610 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 10:54:10,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 10:54:10,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 10:54:10,775 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-14 10:54:10,776 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 10:54:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-14 10:54:11,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350536937] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 10:54:11,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 10:54:11,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-14 10:54:11,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988010457] [2024-11-14 10:54:11,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 10:54:11,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 10:54:11,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:54:11,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 10:54:11,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-14 10:54:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:11,084 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:54:11,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 22.818181818181817) internal successors, (251), 11 states have internal predecessors, (251), 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) [2024-11-14 10:54:11,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:11,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:11,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:54:11,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 10:54:11,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:11,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:11,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:11,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:54:11,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 10:54:11,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 10:54:11,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 10:54:11,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:54:11,650 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 10:54:11,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:54:11,650 INFO L85 PathProgramCache]: Analyzing trace with hash -601942216, now seen corresponding path program 3 times [2024-11-14 10:54:11,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:54:11,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343803389] [2024-11-14 10:54:11,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:54:11,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:54:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:54:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 10:54:11,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:54:11,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343803389] [2024-11-14 10:54:11,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343803389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 10:54:11,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989900430] [2024-11-14 10:54:11,896 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 10:54:11,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:54:11,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:54:11,898 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) [2024-11-14 10:54:11,900 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 [2024-11-14 10:54:11,971 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-14 10:54:11,971 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 10:54:11,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 10:54:11,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 10:54:12,080 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 10:54:12,080 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 10:54:12,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989900430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 10:54:12,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 10:54:12,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-14 10:54:12,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437886989] [2024-11-14 10:54:12,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 10:54:12,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 10:54:12,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:54:12,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 10:54:12,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-14 10:54:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:12,082 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:54:12,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 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) [2024-11-14 10:54:12,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:12,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:12,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:54:12,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 10:54:12,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 10:54:12,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:12,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:54:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 10:54:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 10:54:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 10:54:12,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 10:54:12,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:54:12,584 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 10:54:12,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:54:12,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1411136704, now seen corresponding path program 4 times [2024-11-14 10:54:12,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:54:12,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423858909] [2024-11-14 10:54:12,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:54:12,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:54:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:54:13,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:54:13,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:54:13,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423858909] [2024-11-14 10:54:13,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423858909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 10:54:13,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450844618] [2024-11-14 10:54:13,415 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 10:54:13,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:54:13,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:54:13,417 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 10:54:13,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 10:54:13,489 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 10:54:13,489 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 10:54:13,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-14 10:54:13,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 10:54:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:54:14,079 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 10:54:14,204 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 10:54:14,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 40 treesize of output 24 [2024-11-14 10:54:15,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:54:15,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450844618] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 10:54:15,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 10:54:15,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 15] total 43 [2024-11-14 10:54:15,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860983464] [2024-11-14 10:54:15,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 10:54:15,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-14 10:54:15,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:54:15,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-14 10:54:15,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=1525, Unknown=0, NotChecked=0, Total=1806 [2024-11-14 10:54:15,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:15,081 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:54:15,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.6976744186046515) internal successors, (288), 43 states have internal predecessors, (288), 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) [2024-11-14 10:54:15,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:15,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:15,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:54:15,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 10:54:15,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 10:54:15,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 10:54:15,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:16,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:16,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:16,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:54:16,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 10:54:16,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 10:54:16,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 10:54:16,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-14 10:54:16,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 10:54:16,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:54:16,651 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 10:54:16,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:54:16,651 INFO L85 PathProgramCache]: Analyzing trace with hash 670338989, now seen corresponding path program 5 times [2024-11-14 10:54:16,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:54:16,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612563441] [2024-11-14 10:54:16,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:54:16,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:54:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:54:16,757 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-14 10:54:16,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:54:16,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612563441] [2024-11-14 10:54:16,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612563441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 10:54:16,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 10:54:16,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 10:54:16,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961484967] [2024-11-14 10:54:16,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 10:54:16,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 10:54:16,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:54:16,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 10:54:16,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 10:54:16,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:16,758 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:54:16,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 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) [2024-11-14 10:54:16,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:16,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:16,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:54:16,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 10:54:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 10:54:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 10:54:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-14 10:54:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:54:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 10:54:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 10:54:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 10:54:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-14 10:54:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 10:54:16,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 10:54:16,858 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 10:54:16,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:54:16,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1171205235, now seen corresponding path program 1 times [2024-11-14 10:54:16,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:54:16,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151210147] [2024-11-14 10:54:16,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:54:16,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:54:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:54:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:54:18,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:54:18,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151210147] [2024-11-14 10:54:18,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151210147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 10:54:18,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605916372] [2024-11-14 10:54:18,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:54:18,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:54:18,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:54:18,335 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 10:54:18,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 10:54:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:54:18,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-14 10:54:18,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 10:54:19,322 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:54:19,322 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 10:54:19,711 INFO L349 Elim1Store]: treesize reduction 10, result has 73.0 percent of original size [2024-11-14 10:54:19,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 50 [2024-11-14 10:54:20,996 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:54:20,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605916372] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 10:54:20,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 10:54:20,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 18, 18] total 53 [2024-11-14 10:54:20,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238019527] [2024-11-14 10:54:20,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 10:54:20,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-14 10:54:20,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:54:20,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-14 10:54:20,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=388, Invalid=2368, Unknown=0, NotChecked=0, Total=2756 [2024-11-14 10:54:20,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:21,000 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:54:21,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 6.830188679245283) internal successors, (362), 53 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 10:54:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:54:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 10:54:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 10:54:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 10:54:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-14 10:54:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 10:54:21,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:23,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:54:23,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 10:54:23,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:54:23,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 10:54:23,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 10:54:23,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 10:54:23,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-14 10:54:23,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 10:54:23,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-14 10:54:23,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 10:54:23,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:54:23,469 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 10:54:23,579 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 [2024-11-14 10:54:23,580 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IPredicate.getFormula()" because "" is null at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation$ConditionGeneratorIndependence.getCommutativityCondition(SemanticIndependenceRelation.java:415) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation$ConditionGeneratorIndependence.getCommutativityCondition(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.TermTransferringIndependenceRelation$SymbolicTransferringIndependence.getCommutativityCondition(TermTransferringIndependenceRelation.java:128) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.TermTransferringIndependenceRelation$SymbolicTransferringIndependence.getCommutativityCondition(TermTransferringIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.ProtectedIndependenceRelation$SymbolicProtectedIndependence.getCommutativityCondition(ProtectedIndependenceRelation.java:144) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation$SymbolicUnionIndependence.lambda$1(UnionIndependenceRelation.java:143) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) at java.base/java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1685) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:129) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:527) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:513) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:150) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.findAny(ReferencePipeline.java:652) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceBuilder$ActionIndependenceBuilder.lambda$0(IndependenceBuilder.java:399) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation$SymbolicUnionIndependence.getCommutativityCondition(UnionIndependenceRelation.java:142) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.ConditionTransformingIndependenceRelation$SymbolicConditionTransformingIndependence.getCommutativityCondition(ConditionTransformingIndependenceRelation.java:152) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.DisjunctiveConditionalIndependenceRelation$SymbolicDisjunctiveIndependence.getSingleCommutativityCondition(DisjunctiveConditionalIndependenceRelation.java:176) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.DisjunctiveConditionalIndependenceRelation$SymbolicDisjunctiveIndependence.getCommutativityCondition(DisjunctiveConditionalIndependenceRelation.java:161) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.DisjunctiveConditionalIndependenceRelation$SymbolicDisjunctiveIndependence.getCommutativityCondition(DisjunctiveConditionalIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.ConditionTransformingIndependenceRelation$SymbolicConditionTransformingIndependence.getCommutativityCondition(ConditionTransformingIndependenceRelation.java:152) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ThreadSeparatingIndependenceRelation$SymbolicThreadSeparatingIndependence.getCommutativityCondition(ThreadSeparatingIndependenceRelation.java:109) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ThreadSeparatingIndependenceRelation$SymbolicThreadSeparatingIndependence.getCommutativityCondition(ThreadSeparatingIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.conditional.ConditionalCommutativityChecker.generateRawCondition(ConditionalCommutativityChecker.java:214) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.conditional.ConditionalCommutativityChecker.generateCondition(ConditionalCommutativityChecker.java:193) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.conditional.ConditionalCommutativityChecker.checkConditionalCommutativityInternal(ConditionalCommutativityChecker.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.conditional.ConditionalCommutativityChecker.checkConditionalCommutativity(ConditionalCommutativityChecker.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.ConditionalCommutativityCounterexampleChecker.getCommutativityProof(ConditionalCommutativityCounterexampleChecker.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 10:54:23,586 INFO L158 Benchmark]: Toolchain (without parser) took 15833.60ms. Allocated memory was 83.9MB in the beginning and 381.7MB in the end (delta: 297.8MB). Free memory was 56.8MB in the beginning and 281.5MB in the end (delta: -224.7MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. [2024-11-14 10:54:23,586 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 10:54:23,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.26ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 44.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-14 10:54:23,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.49ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 42.8MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 10:54:23,587 INFO L158 Benchmark]: Boogie Preprocessor took 24.93ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 41.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 10:54:23,587 INFO L158 Benchmark]: RCFGBuilder took 386.81ms. Allocated memory is still 83.9MB. Free memory was 41.7MB in the beginning and 20.6MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-11-14 10:54:23,587 INFO L158 Benchmark]: TraceAbstraction took 15200.70ms. Allocated memory was 83.9MB in the beginning and 381.7MB in the end (delta: 297.8MB). Free memory was 19.9MB in the beginning and 281.5MB in the end (delta: -261.6MB). Peak memory consumption was 35.6MB. Max. memory is 8.0GB. [2024-11-14 10:54:23,588 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 179.26ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 44.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.49ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 42.8MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.93ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 41.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 386.81ms. Allocated memory is still 83.9MB. Free memory was 41.7MB in the beginning and 20.6MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 15200.70ms. Allocated memory was 83.9MB in the beginning and 381.7MB in the end (delta: 297.8MB). Free memory was 19.9MB in the beginning and 281.5MB in the end (delta: -261.6MB). Peak memory consumption was 35.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IPredicate.getFormula()" because "" is null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.IPredicate.getFormula()" because "" is null: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation$ConditionGeneratorIndependence.getCommutativityCondition(SemanticIndependenceRelation.java:415) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-14 10:54:23,615 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...