/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 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 13:18:19,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 13:18:19,334 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 13:18:19,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 13:18:19,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 13:18:19,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 13:18:19,361 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 13:18:19,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 13:18:19,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 13:18:19,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 13:18:19,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 13:18:19,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 13:18:19,362 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 13:18:19,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 13:18:19,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 13:18:19,362 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 13:18:19,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 13:18:19,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 13:18:19,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 13:18:19,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 13:18:19,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 13:18:19,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 13:18:19,362 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 13:18:19,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 13:18:19,362 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 13:18:19,362 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 13:18:19,363 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 13:18:19,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 13:18:19,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 13:18:19,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 13:18:19,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 13:18:19,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 13:18:19,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 13:18:19,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 13:18:19,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 13:18:19,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 13:18:19,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 13:18:19,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 13:18:19,363 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 13:18:19,363 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 13:18:19,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 13:18:19,363 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 13:18:19,364 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 13:18:19,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 13:18:19,364 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 13:18:19,364 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 13:18:19,364 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 13:18:19,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 13:18:19,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 13:18:19,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 13:18:19,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 13:18:19,565 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 13:18:19,565 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 13:18:19,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2025-04-14 13:18:20,820 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ace50e529/1e7a279c47e44321a27ef4e644b93802/FLAG80f393a7d [2025-04-14 13:18:21,022 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 13:18:21,023 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2025-04-14 13:18:21,029 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ace50e529/1e7a279c47e44321a27ef4e644b93802/FLAG80f393a7d [2025-04-14 13:18:21,871 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ace50e529/1e7a279c47e44321a27ef4e644b93802 [2025-04-14 13:18:21,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 13:18:21,874 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 13:18:21,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 13:18:21,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 13:18:21,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 13:18:21,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 01:18:21" (1/1) ... [2025-04-14 13:18:21,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f5fee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:21, skipping insertion in model container [2025-04-14 13:18:21,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 01:18:21" (1/1) ... [2025-04-14 13:18:21,890 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 13:18:22,044 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c[2676,2689] [2025-04-14 13:18:22,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 13:18:22,059 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 13:18:22,093 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c[2676,2689] [2025-04-14 13:18:22,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 13:18:22,113 INFO L204 MainTranslator]: Completed translation [2025-04-14 13:18:22,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:22 WrapperNode [2025-04-14 13:18:22,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 13:18:22,115 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 13:18:22,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 13:18:22,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 13:18:22,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:22" (1/1) ... [2025-04-14 13:18:22,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:22" (1/1) ... [2025-04-14 13:18:22,145 INFO L138 Inliner]: procedures = 23, calls = 27, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 134 [2025-04-14 13:18:22,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 13:18:22,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 13:18:22,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 13:18:22,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 13:18:22,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:22" (1/1) ... [2025-04-14 13:18:22,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:22" (1/1) ... [2025-04-14 13:18:22,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:22" (1/1) ... [2025-04-14 13:18:22,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:22" (1/1) ... [2025-04-14 13:18:22,164 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:22" (1/1) ... [2025-04-14 13:18:22,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:22" (1/1) ... [2025-04-14 13:18:22,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:22" (1/1) ... [2025-04-14 13:18:22,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:22" (1/1) ... [2025-04-14 13:18:22,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:22" (1/1) ... [2025-04-14 13:18:22,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 13:18:22,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 13:18:22,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 13:18:22,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 13:18:22,179 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:22" (1/1) ... [2025-04-14 13:18:22,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 13:18:22,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:18:22,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 13:18:22,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 13:18:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 13:18:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-14 13:18:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-14 13:18:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-14 13:18:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-14 13:18:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 13:18:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 13:18:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 13:18:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 13:18:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 13:18:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 13:18:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 13:18:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 13:18:22,224 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 13:18:22,290 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 13:18:22,292 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 13:18:22,501 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 13:18:22,501 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 13:18:22,670 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 13:18:22,670 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-04-14 13:18:22,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 01:18:22 BoogieIcfgContainer [2025-04-14 13:18:22,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 13:18:22,672 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 13:18:22,672 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 13:18:22,675 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 13:18:22,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 01:18:21" (1/3) ... [2025-04-14 13:18:22,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1083395e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 01:18:22, skipping insertion in model container [2025-04-14 13:18:22,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:18:22" (2/3) ... [2025-04-14 13:18:22,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1083395e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 01:18:22, skipping insertion in model container [2025-04-14 13:18:22,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 01:18:22" (3/3) ... [2025-04-14 13:18:22,676 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2025-04-14 13:18:22,687 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 13:18:22,689 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-send-receive-alt.wvr.c that has 3 procedures, 27 locations, 30 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-14 13:18:22,689 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 13:18:22,737 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-14 13:18:22,767 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 13:18:22,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 13:18:22,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:18:22,770 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 13:18:22,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 13:18:22,829 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 13:18:22,839 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 13:18:22,844 INFO L340 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;@3cca9a20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 13:18:22,845 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-14 13:18:22,978 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:18:22,978 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:18:22,979 INFO L139 ounterexampleChecker]: Examining path program with hash 127534330, occurence #1 [2025-04-14 13:18:22,979 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:18:22,979 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:18:22,984 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:22,985 INFO L85 PathProgramCache]: Analyzing trace with hash 2128902422, now seen corresponding path program 1 times [2025-04-14 13:18:22,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:18:22,991 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319430607] [2025-04-14 13:18:22,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:18:22,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:23,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-14 13:18:23,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-14 13:18:23,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:18:23,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:18:23,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:18:23,108 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319430607] [2025-04-14 13:18:23,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319430607] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:18:23,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:18:23,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 13:18:23,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097213449] [2025-04-14 13:18:23,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:18:23,113 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-14 13:18:23,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:18:23,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-14 13:18:23,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-14 13:18:23,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:23,126 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:18:23,127 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2025-04-14 13:18:23,127 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:23,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:23,211 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 13:18:23,211 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:18:23,211 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:18:23,211 INFO L139 ounterexampleChecker]: Examining path program with hash 2069437778, occurence #1 [2025-04-14 13:18:23,211 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:18:23,211 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:18:23,211 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:23,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1493925567, now seen corresponding path program 1 times [2025-04-14 13:18:23,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:18:23,212 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355425340] [2025-04-14 13:18:23,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:18:23,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:23,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-14 13:18:23,232 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-14 13:18:23,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:18:23,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:23,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:18:23,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:18:23,337 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355425340] [2025-04-14 13:18:23,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355425340] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:18:23,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:18:23,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 13:18:23,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235015323] [2025-04-14 13:18:23,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:18:23,338 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 13:18:23,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:18:23,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 13:18:23,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 13:18:23,339 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:23,339 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:18:23,339 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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) [2025-04-14 13:18:23,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:23,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:23,472 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:23,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:23,473 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 13:18:23,473 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:18:23,473 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:18:23,474 INFO L139 ounterexampleChecker]: Examining path program with hash -368273689, occurence #1 [2025-04-14 13:18:23,474 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:18:23,474 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:18:23,474 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:23,474 INFO L85 PathProgramCache]: Analyzing trace with hash 2124353199, now seen corresponding path program 1 times [2025-04-14 13:18:23,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:18:23,474 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172219027] [2025-04-14 13:18:23,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:18:23,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:23,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-04-14 13:18:23,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-04-14 13:18:23,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:18:23,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:18:23,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:18:23,600 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172219027] [2025-04-14 13:18:23,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172219027] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:18:23,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:18:23,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 13:18:23,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126673801] [2025-04-14 13:18:23,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:18:23,601 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 13:18:23,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:18:23,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 13:18:23,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 13:18:23,601 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:23,601 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:18:23,601 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2025-04-14 13:18:23,601 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:23,601 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:23,602 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:23,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:23,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:23,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:23,659 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 13:18:23,659 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:18:23,659 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:18:23,659 INFO L139 ounterexampleChecker]: Examining path program with hash -368273689, occurence #2 [2025-04-14 13:18:23,659 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:18:23,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:18:23,660 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:23,660 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 13:18:23,674 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:23,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 13:18:23,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:23,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 13:18:23,725 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:23,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1590888469, now seen corresponding path program 1 times [2025-04-14 13:18:23,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:18:23,726 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434665401] [2025-04-14 13:18:23,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:18:23,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:23,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-14 13:18:23,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-14 13:18:23,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:18:23,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:18:23,752 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:18:23,752 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:18:23,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 13:18:23,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:23,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 13:18:23,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:23,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 13:18:23,752 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:23,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 13:18:23,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:23,752 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:18:23,752 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:18:23,753 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:23,753 INFO L85 PathProgramCache]: Analyzing trace with hash -769624382, now seen corresponding path program 1 times [2025-04-14 13:18:23,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:18:23,753 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884040831] [2025-04-14 13:18:23,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:18:23,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:23,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-04-14 13:18:23,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-14 13:18:23,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:18:23,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:18:23,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:18:23,923 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884040831] [2025-04-14 13:18:23,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884040831] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:18:23,923 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843378975] [2025-04-14 13:18:23,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:18:23,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:18:23,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:18:23,929 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:18:23,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-14 13:18:23,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-04-14 13:18:23,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-14 13:18:23,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:18:23,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:23,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 13:18:24,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:18:24,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:18:24,095 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:18:24,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:18:24,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843378975] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:18:24,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:18:24,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2025-04-14 13:18:24,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819358140] [2025-04-14 13:18:24,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:18:24,216 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-04-14 13:18:24,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:18:24,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-04-14 13:18:24,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-04-14 13:18:24,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:24,217 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:18:24,217 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 13 states have internal predecessors, (49), 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) [2025-04-14 13:18:24,217 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:24,217 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:24,217 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:24,217 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:24,339 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:24,339 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:24,339 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:24,339 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:24,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-14 13:18:24,543 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2025-04-14 13:18:24,543 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:18:24,543 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:18:24,543 INFO L139 ounterexampleChecker]: Examining path program with hash -368273689, occurence #3 [2025-04-14 13:18:24,543 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:18:24,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:18:24,543 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:24,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 13:18:24,543 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:24,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 13:18:24,544 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:24,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 13:18:24,568 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:24,569 INFO L85 PathProgramCache]: Analyzing trace with hash 350989635, now seen corresponding path program 1 times [2025-04-14 13:18:24,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:18:24,569 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339056120] [2025-04-14 13:18:24,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:18:24,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:24,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-14 13:18:24,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-14 13:18:24,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:18:24,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:18:24,593 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:18:24,594 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:18:24,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 13:18:24,594 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:24,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 13:18:24,594 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:24,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 13:18:24,594 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:24,595 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 13:18:24,595 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:24,595 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:18:24,595 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:18:24,596 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:24,596 INFO L85 PathProgramCache]: Analyzing trace with hash -288616177, now seen corresponding path program 2 times [2025-04-14 13:18:24,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:18:24,596 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170247105] [2025-04-14 13:18:24,597 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:18:24,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:24,606 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 31 statements into 2 equivalence classes. [2025-04-14 13:18:24,614 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 31 of 31 statements. [2025-04-14 13:18:24,615 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:18:24,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:24,679 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 13:18:24,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:18:24,679 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170247105] [2025-04-14 13:18:24,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170247105] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:18:24,679 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164750981] [2025-04-14 13:18:24,679 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:18:24,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:18:24,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:18:24,683 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:18:24,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-14 13:18:24,727 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 31 statements into 2 equivalence classes. [2025-04-14 13:18:24,744 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 31 of 31 statements. [2025-04-14 13:18:24,745 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:18:24,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:24,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-14 13:18:24,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:18:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-14 13:18:24,780 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 13:18:24,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164750981] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:18:24,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 13:18:24,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2025-04-14 13:18:24,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745444405] [2025-04-14 13:18:24,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:18:24,780 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 13:18:24,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:18:24,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 13:18:24,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-04-14 13:18:24,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:24,781 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:18:24,781 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2025-04-14 13:18:24,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:24,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:24,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:24,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:24,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:24,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:24,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:24,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:24,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:24,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:24,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-14 13:18:25,077 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:18:25,077 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:18:25,077 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:18:25,077 INFO L139 ounterexampleChecker]: Examining path program with hash -1119342501, occurence #1 [2025-04-14 13:18:25,077 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:18:25,077 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:18:25,078 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:25,078 INFO L85 PathProgramCache]: Analyzing trace with hash -960800468, now seen corresponding path program 3 times [2025-04-14 13:18:25,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:18:25,078 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743197884] [2025-04-14 13:18:25,078 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:18:25,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:25,085 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 28 statements into 2 equivalence classes. [2025-04-14 13:18:25,104 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-04-14 13:18:25,105 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 13:18:25,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:25,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 13:18:25,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:18:25,225 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743197884] [2025-04-14 13:18:25,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743197884] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:18:25,225 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176335582] [2025-04-14 13:18:25,225 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:18:25,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:18:25,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:18:25,229 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:18:25,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-14 13:18:25,270 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 28 statements into 2 equivalence classes. [2025-04-14 13:18:25,287 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-04-14 13:18:25,287 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 13:18:25,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:25,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-14 13:18:25,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:18:25,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 13:18:25,351 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:18:25,411 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 13:18:25,412 INFO L354 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 [2025-04-14 13:18:25,492 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 13:18:25,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176335582] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:18:25,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:18:25,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2025-04-14 13:18:25,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526981506] [2025-04-14 13:18:25,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:18:25,493 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-14 13:18:25,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:18:25,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-14 13:18:25,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-04-14 13:18:25,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:25,494 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:18:25,494 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 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) [2025-04-14 13:18:25,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:25,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:25,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:25,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:25,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:25,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:25,685 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:25,685 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:25,685 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:25,685 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:25,685 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:25,685 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:18:25,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-14 13:18:25,889 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:18:25,889 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:18:25,889 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:18:25,889 INFO L139 ounterexampleChecker]: Examining path program with hash -1903718035, occurence #1 [2025-04-14 13:18:25,889 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:18:25,889 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:18:25,889 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:25,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1400499236, now seen corresponding path program 4 times [2025-04-14 13:18:25,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:18:25,890 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709194710] [2025-04-14 13:18:25,890 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:18:25,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:25,898 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 52 statements into 2 equivalence classes. [2025-04-14 13:18:25,914 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 52 of 52 statements. [2025-04-14 13:18:25,914 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:18:25,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:26,115 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 13:18:26,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:18:26,115 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709194710] [2025-04-14 13:18:26,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709194710] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:18:26,115 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888867631] [2025-04-14 13:18:26,115 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:18:26,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:18:26,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:18:26,117 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:18:26,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-14 13:18:26,156 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 52 statements into 2 equivalence classes. [2025-04-14 13:18:26,180 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 52 of 52 statements. [2025-04-14 13:18:26,181 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:18:26,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:26,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 13:18:26,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:18:26,350 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 41 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 13:18:26,350 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:18:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 12 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 13:18:26,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888867631] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:18:26,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:18:26,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2025-04-14 13:18:26,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473941483] [2025-04-14 13:18:26,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:18:26,496 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-04-14 13:18:26,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:18:26,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-04-14 13:18:26,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2025-04-14 13:18:26,497 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:26,497 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:18:26,497 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 21 states have internal predecessors, (109), 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) [2025-04-14 13:18:26,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:26,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:26,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:26,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:26,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:26,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:18:26,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:26,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:26,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:26,578 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:26,578 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:26,578 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:26,578 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:18:26,578 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:18:26,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-14 13:18:26,778 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:18:26,778 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:18:26,778 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:18:26,779 INFO L139 ounterexampleChecker]: Examining path program with hash -1903718035, occurence #2 [2025-04-14 13:18:26,779 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:18:26,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:18:26,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:26,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 13:18:26,779 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:26,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 13:18:26,779 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:26,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 13:18:26,799 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:26,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1746252046, now seen corresponding path program 1 times [2025-04-14 13:18:26,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:18:26,800 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704567187] [2025-04-14 13:18:26,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:18:26,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:26,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-14 13:18:26,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-14 13:18:26,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:18:26,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:18:26,812 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:18:26,812 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:18:26,813 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-04-14 13:18:26,813 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 13:18:26,813 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:26,813 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 38 is hopeless, skipping. [2025-04-14 13:18:26,813 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-14 13:18:26,813 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:26,813 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 13:18:26,813 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:26,813 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 13:18:26,813 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:26,813 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 13:18:26,813 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:26,813 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:18:26,813 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:18:26,813 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:26,813 INFO L85 PathProgramCache]: Analyzing trace with hash -580098692, now seen corresponding path program 5 times [2025-04-14 13:18:26,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:18:26,814 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601217799] [2025-04-14 13:18:26,814 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:18:26,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:26,820 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 54 statements into 4 equivalence classes. [2025-04-14 13:18:26,824 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 54 statements. [2025-04-14 13:18:26,824 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:18:26,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:26,907 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-04-14 13:18:26,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:18:26,907 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601217799] [2025-04-14 13:18:26,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601217799] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:18:26,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:18:26,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 13:18:26,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526513624] [2025-04-14 13:18:26,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:18:26,908 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 13:18:26,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:18:26,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 13:18:26,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 13:18:26,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:26,908 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:18:26,908 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2025-04-14 13:18:26,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:26,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:26,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:26,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:26,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:26,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:18:26,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:18:26,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:26,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:26,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:26,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:26,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:26,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:26,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:18:26,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:18:26,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:26,989 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2025-04-14 13:18:26,989 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:18:26,989 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:18:26,989 INFO L139 ounterexampleChecker]: Examining path program with hash 1435495989, occurence #1 [2025-04-14 13:18:26,989 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:18:26,989 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:18:26,989 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:26,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1345623822, now seen corresponding path program 1 times [2025-04-14 13:18:26,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:18:26,990 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655108742] [2025-04-14 13:18:26,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:18:26,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:26,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-04-14 13:18:27,010 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-04-14 13:18:27,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:18:27,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 33 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:18:27,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:18:27,243 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655108742] [2025-04-14 13:18:27,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655108742] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:18:27,243 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809180751] [2025-04-14 13:18:27,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:18:27,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:18:27,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:18:27,247 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:18:27,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-14 13:18:27,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-04-14 13:18:27,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-04-14 13:18:27,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:18:27,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:27,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-14 13:18:27,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:18:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:18:27,556 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:18:27,779 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 51 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:18:27,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809180751] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:18:27,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:18:27,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 31 [2025-04-14 13:18:27,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422311781] [2025-04-14 13:18:27,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:18:27,780 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-04-14 13:18:27,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:18:27,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-04-14 13:18:27,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=776, Unknown=0, NotChecked=0, Total=992 [2025-04-14 13:18:27,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:27,781 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:18:27,781 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.125) internal successors, (132), 31 states have internal predecessors, (132), 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) [2025-04-14 13:18:27,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:27,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:27,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:27,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:27,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:27,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:18:27,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:18:27,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:27,782 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:27,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:27,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:27,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:27,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:27,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:27,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:18:27,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:18:27,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:27,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:18:27,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-14 13:18:28,125 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:18:28,125 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:18:28,125 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:18:28,125 INFO L139 ounterexampleChecker]: Examining path program with hash 1435495989, occurence #2 [2025-04-14 13:18:28,125 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:18:28,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:18:28,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:28,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 13:18:28,125 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:28,126 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 13:18:28,126 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:28,126 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 13:18:28,143 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:28,143 INFO L85 PathProgramCache]: Analyzing trace with hash -170314556, now seen corresponding path program 1 times [2025-04-14 13:18:28,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:18:28,143 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009475150] [2025-04-14 13:18:28,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:18:28,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:28,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-04-14 13:18:28,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-04-14 13:18:28,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:18:28,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:18:28,156 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:18:28,156 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:18:28,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 13:18:28,173 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:28,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1981770296, now seen corresponding path program 1 times [2025-04-14 13:18:28,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:18:28,174 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880910433] [2025-04-14 13:18:28,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:18:28,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:28,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-04-14 13:18:28,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-04-14 13:18:28,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:18:28,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:18:28,191 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:18:28,191 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:18:28,191 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 34 is hopeless, skipping. [2025-04-14 13:18:28,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-14 13:18:28,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:28,191 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 47 is hopeless, skipping. [2025-04-14 13:18:28,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 13:18:28,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:28,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 13:18:28,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:28,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 13:18:28,191 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:28,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 13:18:28,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:28,191 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:18:28,191 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:18:28,192 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:28,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1579434661, now seen corresponding path program 2 times [2025-04-14 13:18:28,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:18:28,192 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336725624] [2025-04-14 13:18:28,192 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:18:28,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:28,207 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 63 statements into 2 equivalence classes. [2025-04-14 13:18:28,245 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 63 of 63 statements. [2025-04-14 13:18:28,245 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:18:28,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:30,553 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:18:30,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:18:30,554 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336725624] [2025-04-14 13:18:30,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336725624] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:18:30,554 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702673514] [2025-04-14 13:18:30,554 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:18:30,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:18:30,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:18:30,556 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:18:30,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-14 13:18:30,600 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 63 statements into 2 equivalence classes. [2025-04-14 13:18:30,633 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 63 of 63 statements. [2025-04-14 13:18:30,633 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:18:30,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:30,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 61 conjuncts are in the unsatisfiable core [2025-04-14 13:18:30,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:18:30,807 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2025-04-14 13:18:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 4 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:18:31,835 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:18:33,366 INFO L354 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 281 treesize of output 251 [2025-04-14 13:18:33,515 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 13:18:33,515 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 2656 treesize of output 1774 [2025-04-14 13:18:53,132 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 1 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:18:53,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702673514] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:18:53,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:18:53,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 19] total 53 [2025-04-14 13:18:53,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451847976] [2025-04-14 13:18:53,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:18:53,133 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2025-04-14 13:18:53,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:18:53,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-04-14 13:18:53,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=524, Invalid=2338, Unknown=0, NotChecked=0, Total=2862 [2025-04-14 13:18:53,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:53,134 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:18:53,135 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.2962962962962963) internal successors, (178), 53 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) [2025-04-14 13:18:53,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:53,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:53,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:53,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:53,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:53,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:18:53,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:18:53,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:53,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:18:53,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:54,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:18:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:18:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:18:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:18:54,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-14 13:18:54,560 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:18:54,561 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:18:54,561 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:18:54,561 INFO L139 ounterexampleChecker]: Examining path program with hash 1435495989, occurence #3 [2025-04-14 13:18:54,561 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:18:54,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:18:54,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:54,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 13:18:54,561 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:54,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 13:18:54,561 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:54,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 13:18:54,574 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:54,575 INFO L85 PathProgramCache]: Analyzing trace with hash 278250879, now seen corresponding path program 1 times [2025-04-14 13:18:54,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:18:54,575 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253853961] [2025-04-14 13:18:54,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:18:54,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:54,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-14 13:18:54,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-14 13:18:54,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:18:54,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:18:54,592 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:18:54,592 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:18:54,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 13:18:54,611 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:54,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1059428339, now seen corresponding path program 1 times [2025-04-14 13:18:54,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:18:54,611 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046201983] [2025-04-14 13:18:54,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:18:54,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:54,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-04-14 13:18:54,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-14 13:18:54,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:18:54,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:18:54,644 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:18:54,644 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:18:54,645 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 41 is hopeless, skipping. [2025-04-14 13:18:54,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 13:18:54,645 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:54,645 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 54 is hopeless, skipping. [2025-04-14 13:18:54,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 13:18:54,645 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:54,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-14 13:18:54,645 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:54,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-14 13:18:54,645 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:18:54,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 13:18:54,645 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:18:54,645 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:18:54,645 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:18:54,645 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:54,645 INFO L85 PathProgramCache]: Analyzing trace with hash 510152078, now seen corresponding path program 3 times [2025-04-14 13:18:54,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:18:54,645 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985829613] [2025-04-14 13:18:54,646 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:18:54,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:54,656 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 70 statements into 7 equivalence classes. [2025-04-14 13:18:54,695 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 66 of 70 statements. [2025-04-14 13:18:54,695 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-14 13:18:54,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:55,310 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-04-14 13:18:55,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:18:55,311 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985829613] [2025-04-14 13:18:55,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985829613] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:18:55,311 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854307832] [2025-04-14 13:18:55,311 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:18:55,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:18:55,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:18:55,313 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:18:55,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-14 13:18:55,366 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 70 statements into 7 equivalence classes. [2025-04-14 13:18:55,417 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 66 of 70 statements. [2025-04-14 13:18:55,417 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-14 13:18:55,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:55,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-04-14 13:18:55,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:18:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 15 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-04-14 13:18:55,867 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:18:56,501 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 13:18:56,502 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 176 treesize of output 284 [2025-04-14 13:18:56,847 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 1 proven. 69 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-04-14 13:18:56,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854307832] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:18:56,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:18:56,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2025-04-14 13:18:56,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79747255] [2025-04-14 13:18:56,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:18:56,848 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-04-14 13:18:56,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:18:56,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-04-14 13:18:56,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=824, Unknown=0, NotChecked=0, Total=992 [2025-04-14 13:18:56,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:56,849 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:18:56,849 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.71875) internal successors, (151), 31 states have internal predecessors, (151), 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) [2025-04-14 13:18:56,849 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:56,849 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:56,849 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:56,849 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:56,849 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:56,849 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:18:56,850 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:18:56,850 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:56,850 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:18:56,850 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:18:56,850 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:57,497 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:18:57,497 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:18:57,497 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:57,497 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:18:57,497 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:57,497 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:18:57,497 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:18:57,497 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:18:57,498 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:18:57,498 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:18:57,498 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:18:57,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-14 13:18:57,698 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-04-14 13:18:57,698 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:18:57,698 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:18:57,699 INFO L139 ounterexampleChecker]: Examining path program with hash 3979431, occurence #1 [2025-04-14 13:18:57,699 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:18:57,699 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:18:57,699 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:18:57,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1741179842, now seen corresponding path program 4 times [2025-04-14 13:18:57,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:18:57,699 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906764582] [2025-04-14 13:18:57,699 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:18:57,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:18:57,710 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 78 statements into 2 equivalence classes. [2025-04-14 13:18:57,726 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 78 of 78 statements. [2025-04-14 13:18:57,726 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:18:57,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 8 proven. 77 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-04-14 13:18:58,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:18:58,420 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906764582] [2025-04-14 13:18:58,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906764582] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:18:58,420 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659789642] [2025-04-14 13:18:58,420 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:18:58,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:18:58,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:18:58,422 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:18:58,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-14 13:18:58,476 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 78 statements into 2 equivalence classes. [2025-04-14 13:18:58,511 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 78 of 78 statements. [2025-04-14 13:18:58,511 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:18:58,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:18:58,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 69 conjuncts are in the unsatisfiable core [2025-04-14 13:18:58,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:18:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 15 proven. 147 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:18:59,311 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:19:00,167 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 13:19:00,167 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 211 treesize of output 400 [2025-04-14 13:19:00,652 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 4 proven. 81 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-04-14 13:19:00,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659789642] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:19:00,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:19:00,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 25, 14] total 50 [2025-04-14 13:19:00,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229872097] [2025-04-14 13:19:00,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:19:00,653 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2025-04-14 13:19:00,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:19:00,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2025-04-14 13:19:00,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=2111, Unknown=0, NotChecked=0, Total=2550 [2025-04-14 13:19:00,654 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:00,654 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:19:00,654 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.980392156862745) internal successors, (203), 50 states have internal predecessors, (203), 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) [2025-04-14 13:19:00,654 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:00,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:19:00,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:00,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:19:00,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:00,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:19:00,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:00,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:00,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:00,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:19:00,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 13:19:00,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:01,917 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:01,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:19:01,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:01,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:19:01,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:01,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:19:01,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:01,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:01,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:01,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:19:01,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:19:01,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:19:01,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-14 13:19:02,118 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:19:02,119 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:19:02,119 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:19:02,119 INFO L139 ounterexampleChecker]: Examining path program with hash 3979431, occurence #2 [2025-04-14 13:19:02,119 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:19:02,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:19:02,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:02,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 13:19:02,119 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:19:02,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 13:19:02,119 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:19:02,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 13:19:02,132 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:19:02,132 INFO L85 PathProgramCache]: Analyzing trace with hash 278250915, now seen corresponding path program 1 times [2025-04-14 13:19:02,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:19:02,133 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676532143] [2025-04-14 13:19:02,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:19:02,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:19:02,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-14 13:19:02,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-14 13:19:02,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:19:02,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:19:02,147 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:19:02,147 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:19:02,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 13:19:02,167 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:19:02,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1059428375, now seen corresponding path program 1 times [2025-04-14 13:19:02,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:19:02,167 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126635688] [2025-04-14 13:19:02,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:19:02,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:19:02,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-04-14 13:19:02,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-14 13:19:02,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:19:02,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:19:02,187 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:19:02,187 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:19:02,187 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 41 is hopeless, skipping. [2025-04-14 13:19:02,187 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 13:19:02,187 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:02,187 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 13:19:02,187 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:02,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-14 13:19:02,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:02,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 13:19:02,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:02,188 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 69 is hopeless, skipping. [2025-04-14 13:19:02,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-04-14 13:19:02,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:02,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-04-14 13:19:02,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:02,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-04-14 13:19:02,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:02,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-04-14 13:19:02,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:02,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-14 13:19:02,188 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:19:02,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 13:19:02,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:02,188 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:19:02,188 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:19:02,189 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:19:02,189 INFO L85 PathProgramCache]: Analyzing trace with hash -667139879, now seen corresponding path program 5 times [2025-04-14 13:19:02,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:19:02,189 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256713245] [2025-04-14 13:19:02,189 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:19:02,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:19:02,198 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 91 statements into 7 equivalence classes. [2025-04-14 13:19:02,385 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 91 of 91 statements. [2025-04-14 13:19:02,385 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-14 13:19:02,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:19:06,543 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 4 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:19:06,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:19:06,543 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256713245] [2025-04-14 13:19:06,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256713245] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:19:06,543 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696127593] [2025-04-14 13:19:06,543 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:19:06,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:19:06,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:19:06,545 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:19:06,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-14 13:19:06,619 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 91 statements into 7 equivalence classes. [2025-04-14 13:19:06,704 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 91 of 91 statements. [2025-04-14 13:19:06,704 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-14 13:19:06,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:19:06,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 78 conjuncts are in the unsatisfiable core [2025-04-14 13:19:06,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:19:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 15 proven. 192 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:19:08,038 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:19:09,453 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 13:19:09,454 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 244 treesize of output 534 [2025-04-14 13:19:10,269 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 23 proven. 107 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-04-14 13:19:10,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696127593] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:19:10,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:19:10,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 27, 16] total 71 [2025-04-14 13:19:10,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179395857] [2025-04-14 13:19:10,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:19:10,270 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2025-04-14 13:19:10,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:19:10,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2025-04-14 13:19:10,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=520, Invalid=4592, Unknown=0, NotChecked=0, Total=5112 [2025-04-14 13:19:10,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:10,271 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:19:10,271 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 3.5277777777777777) internal successors, (254), 71 states have internal predecessors, (254), 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) [2025-04-14 13:19:10,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:10,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:19:10,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:10,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:19:10,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:10,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:19:10,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:10,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:10,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:10,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:19:10,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:19:10,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:19:10,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:12,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:12,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:19:12,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:12,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:19:12,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:12,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:19:12,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:12,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:12,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:12,289 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:19:12,289 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:19:12,289 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:19:12,289 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-14 13:19:12,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-14 13:19:12,489 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21 [2025-04-14 13:19:12,489 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:19:12,489 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:19:12,490 INFO L139 ounterexampleChecker]: Examining path program with hash 3979431, occurence #3 [2025-04-14 13:19:12,490 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:19:12,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:19:12,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:12,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 13:19:12,490 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:19:12,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 13:19:12,490 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:19:12,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 13:19:12,507 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:19:12,508 INFO L85 PathProgramCache]: Analyzing trace with hash 278250937, now seen corresponding path program 1 times [2025-04-14 13:19:12,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:19:12,508 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480248338] [2025-04-14 13:19:12,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:19:12,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:19:12,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-14 13:19:12,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-14 13:19:12,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:19:12,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:19:12,520 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:19:12,520 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:19:12,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 13:19:12,535 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:19:12,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1059428397, now seen corresponding path program 1 times [2025-04-14 13:19:12,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:19:12,535 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221025590] [2025-04-14 13:19:12,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:19:12,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:19:12,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-04-14 13:19:12,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-14 13:19:12,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:19:12,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:19:12,550 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:19:12,550 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:19:12,550 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 41 is hopeless, skipping. [2025-04-14 13:19:12,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 13:19:12,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:12,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 13:19:12,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:12,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-14 13:19:12,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:12,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 13:19:12,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:12,550 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 69 is hopeless, skipping. [2025-04-14 13:19:12,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-04-14 13:19:12,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:12,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-04-14 13:19:12,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:12,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-04-14 13:19:12,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:12,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2025-04-14 13:19:12,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:12,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 13:19:12,550 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:12,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 13:19:12,551 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:19:12,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2025-04-14 13:19:12,551 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:12,551 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:19:12,551 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:19:12,551 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:19:12,551 INFO L85 PathProgramCache]: Analyzing trace with hash -280536738, now seen corresponding path program 6 times [2025-04-14 13:19:12,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:19:12,551 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158893556] [2025-04-14 13:19:12,551 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 13:19:12,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:19:12,560 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 94 statements into 7 equivalence classes. [2025-04-14 13:19:12,665 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 94 of 94 statements. [2025-04-14 13:19:12,665 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-04-14 13:19:12,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:19:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 3 proven. 213 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:19:16,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:19:16,490 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158893556] [2025-04-14 13:19:16,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158893556] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:19:16,490 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052207203] [2025-04-14 13:19:16,490 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 13:19:16,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:19:16,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:19:16,492 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:19:16,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-14 13:19:16,554 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 94 statements into 7 equivalence classes. [2025-04-14 13:19:17,479 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 94 of 94 statements. [2025-04-14 13:19:17,479 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-04-14 13:19:17,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:19:17,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 83 conjuncts are in the unsatisfiable core [2025-04-14 13:19:17,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:19:19,536 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 15 proven. 198 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 13:19:19,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:19:22,697 INFO L325 Elim1Store]: treesize reduction 372, result has 49.8 percent of original size [2025-04-14 13:19:22,698 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 278 treesize of output 434 [2025-04-14 13:19:23,174 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-04-14 13:19:23,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052207203] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:19:23,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:19:23,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 28, 18] total 75 [2025-04-14 13:19:23,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52166237] [2025-04-14 13:19:23,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:19:23,175 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2025-04-14 13:19:23,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:19:23,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2025-04-14 13:19:23,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1009, Invalid=4691, Unknown=0, NotChecked=0, Total=5700 [2025-04-14 13:19:23,176 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:23,177 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:19:23,177 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 3.4473684210526314) internal successors, (262), 75 states have internal predecessors, (262), 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) [2025-04-14 13:19:23,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:23,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:19:23,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:23,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:19:23,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:23,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:19:23,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:23,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:23,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:23,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:19:23,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:19:23,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:19:23,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-14 13:19:23,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:26,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:26,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:19:26,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:26,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:19:26,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:26,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:19:26,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:26,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:26,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:26,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:19:26,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:19:26,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:19:26,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-14 13:19:26,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 13:19:26,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-04-14 13:19:27,083 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2025-04-14 13:19:27,083 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:19:27,083 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:19:27,084 INFO L139 ounterexampleChecker]: Examining path program with hash 1600448353, occurence #1 [2025-04-14 13:19:27,084 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:19:27,084 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:19:27,084 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:19:27,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1220728755, now seen corresponding path program 7 times [2025-04-14 13:19:27,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:19:27,084 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869462155] [2025-04-14 13:19:27,084 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 13:19:27,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:19:27,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-04-14 13:19:27,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-04-14 13:19:27,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:19:27,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:19:27,296 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 40 proven. 113 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-04-14 13:19:27,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:19:27,297 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869462155] [2025-04-14 13:19:27,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869462155] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:19:27,297 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316985334] [2025-04-14 13:19:27,297 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 13:19:27,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:19:27,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:19:27,299 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:19:27,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-14 13:19:27,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-04-14 13:19:27,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-04-14 13:19:27,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:19:27,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:19:27,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-14 13:19:27,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:19:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 38 proven. 97 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2025-04-14 13:19:27,521 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:19:27,878 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 29 proven. 153 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-04-14 13:19:27,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316985334] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:19:27,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:19:27,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 20] total 28 [2025-04-14 13:19:27,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337911876] [2025-04-14 13:19:27,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:19:27,879 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-04-14 13:19:27,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:19:27,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-04-14 13:19:27,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=500, Unknown=0, NotChecked=0, Total=812 [2025-04-14 13:19:27,879 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:27,879 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:19:27,880 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.827586206896552) internal successors, (169), 28 states have internal predecessors, (169), 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) [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 13:19:27,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:29,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:29,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:19:29,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:29,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:19:29,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:29,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:19:29,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:29,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:29,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:29,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:19:29,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:19:29,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:19:29,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-14 13:19:29,226 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 13:19:29,226 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:19:29,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-04-14 13:19:29,426 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-04-14 13:19:29,426 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:19:29,426 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:19:29,427 INFO L139 ounterexampleChecker]: Examining path program with hash -1035686994, occurence #1 [2025-04-14 13:19:29,427 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:19:29,427 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:19:29,427 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:19:29,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1548225829, now seen corresponding path program 8 times [2025-04-14 13:19:29,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:19:29,427 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456005138] [2025-04-14 13:19:29,427 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:19:29,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:19:29,436 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-04-14 13:19:29,503 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 111 of 111 statements. [2025-04-14 13:19:29,503 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:19:29,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:19:38,780 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 1 proven. 277 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:19:38,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:19:38,780 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456005138] [2025-04-14 13:19:38,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456005138] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:19:38,780 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270299462] [2025-04-14 13:19:38,780 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:19:38,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:19:38,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:19:38,782 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:19:38,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-14 13:19:38,850 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-04-14 13:19:38,889 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 111 of 111 statements. [2025-04-14 13:19:38,889 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:19:38,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:19:38,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 99 conjuncts are in the unsatisfiable core [2025-04-14 13:19:38,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:19:41,619 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 15 proven. 262 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:19:41,619 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:19:44,890 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 13:19:44,890 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 347 treesize of output 1060 [2025-04-14 13:19:47,165 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 16 proven. 171 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-04-14 13:19:47,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270299462] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:19:47,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:19:47,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 34, 22] total 90 [2025-04-14 13:19:47,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031736115] [2025-04-14 13:19:47,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:19:47,166 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2025-04-14 13:19:47,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:19:47,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2025-04-14 13:19:47,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=494, Invalid=7696, Unknown=0, NotChecked=0, Total=8190 [2025-04-14 13:19:47,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:47,168 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:19:47,168 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 3.4395604395604398) internal successors, (313), 90 states have internal predecessors, (313), 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) [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:19:47,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:19:52,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 13:19:52,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-04-14 13:19:52,441 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-04-14 13:19:52,441 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:19:52,441 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:19:52,441 INFO L139 ounterexampleChecker]: Examining path program with hash 3979431, occurence #4 [2025-04-14 13:19:52,441 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:19:52,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:19:52,441 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:52,441 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 13:19:52,441 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:19:52,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 13:19:52,442 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:19:52,442 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 13:19:52,455 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:19:52,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1366220691, now seen corresponding path program 1 times [2025-04-14 13:19:52,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:19:52,455 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100197295] [2025-04-14 13:19:52,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:19:52,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:19:52,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-14 13:19:52,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-14 13:19:52,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:19:52,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:19:52,474 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:19:52,474 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:19:52,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 13:19:52,488 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:19:52,488 INFO L85 PathProgramCache]: Analyzing trace with hash -258272761, now seen corresponding path program 1 times [2025-04-14 13:19:52,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:19:52,488 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987690151] [2025-04-14 13:19:52,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:19:52,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:19:52,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-14 13:19:52,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-14 13:19:52,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:19:52,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:19:52,501 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:19:52,501 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:19:52,501 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 43 is hopeless, skipping. [2025-04-14 13:19:52,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 13:19:52,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:52,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 13:19:52,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:52,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-04-14 13:19:52,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:52,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-14 13:19:52,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:52,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 13:19:52,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:52,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 13:19:52,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:52,502 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 81 is hopeless, skipping. [2025-04-14 13:19:52,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 13:19:52,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:52,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2025-04-14 13:19:52,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:52,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 13:19:52,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:52,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-04-14 13:19:52,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:52,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-04-14 13:19:52,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:52,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 13:19:52,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:52,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2025-04-14 13:19:52,502 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:19:52,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2025-04-14 13:19:52,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:19:52,502 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:19:52,502 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:19:52,502 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:19:52,502 INFO L85 PathProgramCache]: Analyzing trace with hash 497115673, now seen corresponding path program 9 times [2025-04-14 13:19:52,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:19:52,502 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692427838] [2025-04-14 13:19:52,503 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:19:52,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:19:52,511 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 109 statements into 8 equivalence classes. [2025-04-14 13:19:52,556 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 109 of 109 statements. [2025-04-14 13:19:52,556 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-04-14 13:19:52,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:19:53,744 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 199 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2025-04-14 13:19:53,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:19:53,745 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692427838] [2025-04-14 13:19:53,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692427838] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:19:53,745 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803037140] [2025-04-14 13:19:53,745 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:19:53,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:19:53,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:19:53,746 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:19:53,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-14 13:19:53,820 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 109 statements into 8 equivalence classes. [2025-04-14 13:19:54,202 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 109 of 109 statements. [2025-04-14 13:19:54,202 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-04-14 13:19:54,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:19:54,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 88 conjuncts are in the unsatisfiable core [2025-04-14 13:19:54,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:19:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 15 proven. 287 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-14 13:19:55,754 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:19:57,800 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 13:19:57,800 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 312 treesize of output 864 [2025-04-14 13:19:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 49 proven. 158 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-14 13:19:58,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803037140] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:19:58,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:19:58,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 30, 20] total 64 [2025-04-14 13:19:58,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99515339] [2025-04-14 13:19:58,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:19:58,852 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2025-04-14 13:19:58,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:19:58,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2025-04-14 13:19:58,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=473, Invalid=3687, Unknown=0, NotChecked=0, Total=4160 [2025-04-14 13:19:58,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:58,853 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:19:58,853 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 4.138461538461539) internal successors, (269), 64 states have internal predecessors, (269), 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) [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 13:19:58,853 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-14 13:20:00,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:20:00,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-14 13:20:00,835 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:20:00,835 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:20:00,835 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:20:00,835 INFO L139 ounterexampleChecker]: Examining path program with hash 3979431, occurence #5 [2025-04-14 13:20:00,835 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:20:00,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:20:00,835 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 13:20:00,835 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:20:00,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 13:20:00,835 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:20:00,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 13:20:00,848 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:20:00,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1366220717, now seen corresponding path program 1 times [2025-04-14 13:20:00,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:20:00,849 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467188635] [2025-04-14 13:20:00,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:20:00,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:20:00,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-14 13:20:00,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-14 13:20:00,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:20:00,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:20:00,861 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:20:00,861 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:20:00,861 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 13:20:00,876 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:20:00,877 INFO L85 PathProgramCache]: Analyzing trace with hash -258272735, now seen corresponding path program 1 times [2025-04-14 13:20:00,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:20:00,877 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390699828] [2025-04-14 13:20:00,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:20:00,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:20:00,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-14 13:20:00,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-14 13:20:00,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:20:00,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:20:00,894 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:20:00,894 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:20:00,894 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 43 is hopeless, skipping. [2025-04-14 13:20:00,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 13:20:00,894 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 13:20:00,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-04-14 13:20:00,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-14 13:20:00,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 13:20:00,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 13:20:00,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,895 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 81 is hopeless, skipping. [2025-04-14 13:20:00,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 13:20:00,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2025-04-14 13:20:00,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 13:20:00,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-04-14 13:20:00,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-04-14 13:20:00,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2025-04-14 13:20:00,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2025-04-14 13:20:00,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 13:20:00,895 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:20:00,895 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 13:20:00,895 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:00,895 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:20:00,895 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:20:00,896 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:20:00,896 INFO L85 PathProgramCache]: Analyzing trace with hash -2099269602, now seen corresponding path program 10 times [2025-04-14 13:20:00,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:20:00,896 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871169055] [2025-04-14 13:20:00,896 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:20:00,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:20:00,906 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 112 statements into 2 equivalence classes. [2025-04-14 13:20:00,928 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-04-14 13:20:00,929 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:20:00,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:20:02,069 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 7 proven. 206 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2025-04-14 13:20:02,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:20:02,069 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871169055] [2025-04-14 13:20:02,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871169055] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:20:02,069 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761286590] [2025-04-14 13:20:02,069 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:20:02,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:20:02,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:20:02,071 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:20:02,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-14 13:20:02,149 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 112 statements into 2 equivalence classes. [2025-04-14 13:20:02,186 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-04-14 13:20:02,186 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:20:02,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:20:02,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 91 conjuncts are in the unsatisfiable core [2025-04-14 13:20:02,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:20:04,022 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 15 proven. 290 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-14 13:20:04,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:20:06,611 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 13:20:06,611 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 347 treesize of output 1060 [2025-04-14 13:20:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 38 proven. 183 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-14 13:20:08,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761286590] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:20:08,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:20:08,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 30, 22] total 68 [2025-04-14 13:20:08,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113977883] [2025-04-14 13:20:08,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:20:08,379 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2025-04-14 13:20:08,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:20:08,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2025-04-14 13:20:08,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=4196, Unknown=0, NotChecked=0, Total=4692 [2025-04-14 13:20:08,380 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:20:08,381 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:20:08,381 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 4.188405797101449) internal successors, (289), 68 states have internal predecessors, (289), 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) [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 13:20:08,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 13:20:11,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:20:11,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:20:11,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-04-14 13:20:11,326 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:20:11,326 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:20:11,326 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:20:11,326 INFO L139 ounterexampleChecker]: Examining path program with hash 3979431, occurence #6 [2025-04-14 13:20:11,326 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:20:11,326 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:20:11,326 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,326 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 13:20:11,327 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:20:11,327 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 13:20:11,327 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:20:11,327 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 13:20:11,341 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:20:11,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1366220753, now seen corresponding path program 1 times [2025-04-14 13:20:11,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:20:11,341 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454968300] [2025-04-14 13:20:11,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:20:11,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:20:11,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-14 13:20:11,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-14 13:20:11,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:20:11,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:20:11,352 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:20:11,352 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:20:11,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 13:20:11,365 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:20:11,365 INFO L85 PathProgramCache]: Analyzing trace with hash -258272699, now seen corresponding path program 1 times [2025-04-14 13:20:11,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:20:11,365 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506496818] [2025-04-14 13:20:11,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:20:11,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:20:11,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-14 13:20:11,380 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-14 13:20:11,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:20:11,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:20:11,381 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:20:11,381 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:20:11,381 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 43 is hopeless, skipping. [2025-04-14 13:20:11,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 13:20:11,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 13:20:11,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-04-14 13:20:11,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-14 13:20:11,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 13:20:11,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 13:20:11,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-14 13:20:11,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-14 13:20:11,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,382 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 91 is hopeless, skipping. [2025-04-14 13:20:11,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-04-14 13:20:11,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2025-04-14 13:20:11,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2025-04-14 13:20:11,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 13:20:11,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-14 13:20:11,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 13:20:11,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 13:20:11,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-04-14 13:20:11,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-04-14 13:20:11,382 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:20:11,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2025-04-14 13:20:11,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:11,382 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:20:11,382 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:20:11,382 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:20:11,383 INFO L85 PathProgramCache]: Analyzing trace with hash 38060281, now seen corresponding path program 11 times [2025-04-14 13:20:11,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:20:11,383 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233054250] [2025-04-14 13:20:11,383 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:20:11,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:20:11,393 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 125 statements into 10 equivalence classes. [2025-04-14 13:20:11,490 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 125 of 125 statements. [2025-04-14 13:20:11,491 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-04-14 13:20:11,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:20:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 419 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:20:16,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:20:16,209 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233054250] [2025-04-14 13:20:16,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233054250] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:20:16,209 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026268701] [2025-04-14 13:20:16,209 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:20:16,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:20:16,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:20:16,211 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:20:16,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-14 13:20:16,293 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 125 statements into 10 equivalence classes. [2025-04-14 13:20:16,496 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 125 of 125 statements. [2025-04-14 13:20:16,496 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-04-14 13:20:16,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:20:16,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-04-14 13:20:16,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:20:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 15 proven. 394 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-14 13:20:19,898 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:20:24,082 INFO L325 Elim1Store]: treesize reduction 550, result has 53.7 percent of original size [2025-04-14 13:20:24,082 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 380 treesize of output 724 [2025-04-14 13:20:24,670 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 85 proven. 229 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-14 13:20:24,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026268701] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:20:24,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:20:24,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 34, 24] total 96 [2025-04-14 13:20:24,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648676990] [2025-04-14 13:20:24,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:20:24,671 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-14 13:20:24,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:20:24,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-14 13:20:24,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=677, Invalid=8635, Unknown=0, NotChecked=0, Total=9312 [2025-04-14 13:20:24,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:20:24,673 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:20:24,673 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 3.618556701030928) internal successors, (351), 96 states have internal predecessors, (351), 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) [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:20:24,673 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:20:29,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:20:29,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 13:20:29,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:29,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-14 13:20:29,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 13:20:29,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-04-14 13:20:29,819 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35 [2025-04-14 13:20:29,820 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 13:20:29,820 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:20:29,820 INFO L139 ounterexampleChecker]: Examining path program with hash 3979431, occurence #7 [2025-04-14 13:20:29,820 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:20:29,820 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 13:20:29,820 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,820 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 13:20:29,820 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:20:29,820 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 13:20:29,820 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:20:29,820 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 13:20:29,835 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:20:29,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1827055996, now seen corresponding path program 1 times [2025-04-14 13:20:29,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:20:29,835 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495377929] [2025-04-14 13:20:29,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:20:29,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:20:29,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-04-14 13:20:29,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-04-14 13:20:29,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:20:29,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:20:29,847 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:20:29,847 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:20:29,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 13:20:29,860 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:20:29,860 INFO L85 PathProgramCache]: Analyzing trace with hash 166395632, now seen corresponding path program 1 times [2025-04-14 13:20:29,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 13:20:29,860 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611226480] [2025-04-14 13:20:29,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:20:29,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:20:29,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-04-14 13:20:29,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-04-14 13:20:29,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:20:29,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 13:20:29,873 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 13:20:29,873 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 13:20:29,873 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 44 is hopeless, skipping. [2025-04-14 13:20:29,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 13:20:29,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-14 13:20:29,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-14 13:20:29,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 13:20:29,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 13:20:29,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-04-14 13:20:29,873 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,873 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-04-14 13:20:29,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 13:20:29,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,874 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 92 is hopeless, skipping. [2025-04-14 13:20:29,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-04-14 13:20:29,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 13:20:29,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2025-04-14 13:20:29,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 13:20:29,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 13:20:29,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-14 13:20:29,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-04-14 13:20:29,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-04-14 13:20:29,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2025-04-14 13:20:29,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2025-04-14 13:20:29,874 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:20:29,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2025-04-14 13:20:29,874 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 13:20:29,874 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:20:29,874 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:20:29,874 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:20:29,874 INFO L85 PathProgramCache]: Analyzing trace with hash -703413, now seen corresponding path program 12 times [2025-04-14 13:20:29,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:20:29,875 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143258829] [2025-04-14 13:20:29,875 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 13:20:29,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:20:29,885 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 129 statements into 10 equivalence classes. [2025-04-14 13:20:29,949 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 129 of 129 statements. [2025-04-14 13:20:29,949 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-04-14 13:20:29,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:20:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 18 proven. 307 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2025-04-14 13:20:31,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:20:31,901 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143258829] [2025-04-14 13:20:31,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143258829] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:20:31,901 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920015649] [2025-04-14 13:20:31,901 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 13:20:31,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:20:31,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:20:31,903 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 13:20:31,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-14 13:20:31,996 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 129 statements into 10 equivalence classes. [2025-04-14 13:20:32,765 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 129 of 129 statements. [2025-04-14 13:20:32,765 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-04-14 13:20:32,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:20:32,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 121 conjuncts are in the unsatisfiable core [2025-04-14 13:20:32,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:20:33,091 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-14 13:20:35,543 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 15 proven. 438 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 13:20:35,543 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:20:40,346 INFO L354 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 460 treesize of output 412 [2025-04-14 13:20:53,826 WARN L286 SmtUtils]: Spent 12.79s on a formula simplification that was a NOOP. DAG size: 515 (called from [L 323] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-04-14 13:20:53,827 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 13:20:53,848 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 342370 treesize of output 173719 [2025-04-14 13:21:03,955 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification. DAG size of input: 21164 DAG size of output: 738 (called from [L 726] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-04-14 13:25:00,005 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2025-04-14 13:25:00,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101 [2025-04-14 13:25:00,006 WARN L310 FreeRefinementEngine]: Global settings require throwing the following exception [2025-04-14 13:25:00,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-04-14 13:25:00,206 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38 [2025-04-14 13:25:00,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-14 13:25:00,214 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:103) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:99) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:589) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:726) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:135) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:223) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:115) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:99) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:305) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:241) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:191) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:223) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:115) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:99) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:305) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:285) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:56) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:349) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:331) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:427) 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:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 70 more [2025-04-14 13:25:00,218 INFO L158 Benchmark]: Toolchain (without parser) took 398344.30ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 102.1MB in the beginning and 733.0MB in the end (delta: -631.0MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2025-04-14 13:25:00,218 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 155.2MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 13:25:00,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.53ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 87.0MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-14 13:25:00,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.69ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 84.9MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 13:25:00,219 INFO L158 Benchmark]: Boogie Preprocessor took 27.91ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 83.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 13:25:00,219 INFO L158 Benchmark]: RCFGBuilder took 492.48ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 48.8MB in the end (delta: 35.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2025-04-14 13:25:00,219 INFO L158 Benchmark]: TraceAbstraction took 397545.84ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 48.2MB in the beginning and 733.0MB in the end (delta: -684.8MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2025-04-14 13:25:00,220 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 155.2MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 239.53ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 87.0MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.69ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 84.9MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.91ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 83.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 492.48ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 48.8MB in the end (delta: 35.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 397545.84ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 48.2MB in the beginning and 733.0MB in the end (delta: -684.8MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...