/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/parallel-parallel-sum-1-dsl.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 12:32:20,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 12:32:20,149 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 12:32:20,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 12:32:20,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 12:32:20,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 12:32:20,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 12:32:20,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 12:32:20,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 12:32:20,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 12:32:20,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 12:32:20,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 12:32:20,172 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 12:32:20,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 12:32:20,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 12:32:20,172 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 12:32:20,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 12:32:20,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 12:32:20,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 12:32:20,173 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:32:20,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 12:32:20,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:32:20,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 12:32:20,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 12:32:20,175 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 12:32:20,175 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 12:32:20,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 12:32:20,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 12:32:20,175 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 12:32:20,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 12:32:20,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 12:32:20,175 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 12:32:20,175 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 12:32:20,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 12:32:20,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 12:32:20,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 12:32:20,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 12:32:20,370 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 12:32:20,371 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 12:32:20,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c [2025-04-14 12:32:21,631 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba9e6cdfd/74e3952bbc644930a91fc7f13481f20e/FLAGf3f2a92e9 [2025-04-14 12:32:21,810 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 12:32:21,811 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1-dsl.wvr.c [2025-04-14 12:32:21,816 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba9e6cdfd/74e3952bbc644930a91fc7f13481f20e/FLAGf3f2a92e9 [2025-04-14 12:32:22,681 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba9e6cdfd/74e3952bbc644930a91fc7f13481f20e [2025-04-14 12:32:22,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 12:32:22,684 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 12:32:22,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 12:32:22,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 12:32:22,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 12:32:22,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:32:22" (1/1) ... [2025-04-14 12:32:22,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b343dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22, skipping insertion in model container [2025-04-14 12:32:22,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:32:22" (1/1) ... [2025-04-14 12:32:22,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 12:32:22,864 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/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2025-04-14 12:32:22,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 12:32:22,881 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 12:32:22,922 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/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2025-04-14 12:32:22,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 12:32:22,943 INFO L204 MainTranslator]: Completed translation [2025-04-14 12:32:22,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22 WrapperNode [2025-04-14 12:32:22,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 12:32:22,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 12:32:22,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 12:32:22,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 12:32:22,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22" (1/1) ... [2025-04-14 12:32:22,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22" (1/1) ... [2025-04-14 12:32:22,985 INFO L138 Inliner]: procedures = 28, calls = 65, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 292 [2025-04-14 12:32:22,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 12:32:22,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 12:32:22,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 12:32:22,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 12:32:22,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22" (1/1) ... [2025-04-14 12:32:22,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22" (1/1) ... [2025-04-14 12:32:23,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22" (1/1) ... [2025-04-14 12:32:23,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22" (1/1) ... [2025-04-14 12:32:23,010 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22" (1/1) ... [2025-04-14 12:32:23,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22" (1/1) ... [2025-04-14 12:32:23,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22" (1/1) ... [2025-04-14 12:32:23,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22" (1/1) ... [2025-04-14 12:32:23,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22" (1/1) ... [2025-04-14 12:32:23,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 12:32:23,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 12:32:23,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 12:32:23,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 12:32:23,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22" (1/1) ... [2025-04-14 12:32:23,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:32:23,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:23,046 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 12:32:23,049 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 12:32:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 12:32:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 12:32:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 12:32:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-14 12:32:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-14 12:32:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-14 12:32:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-14 12:32:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-14 12:32:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-14 12:32:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-14 12:32:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-14 12:32:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 12:32:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-04-14 12:32:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-04-14 12:32:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-04-14 12:32:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-04-14 12:32:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 12:32:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 12:32:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 12:32:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 12:32:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 12:32:23,065 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 12:32:23,149 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 12:32:23,150 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 12:32:23,466 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 12:32:23,466 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 12:32:23,683 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 12:32:23,683 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-04-14 12:32:23,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 12:32:23 BoogieIcfgContainer [2025-04-14 12:32:23,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 12:32:23,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 12:32:23,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 12:32:23,690 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 12:32:23,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 12:32:22" (1/3) ... [2025-04-14 12:32:23,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb7df8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:32:23, skipping insertion in model container [2025-04-14 12:32:23,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:32:22" (2/3) ... [2025-04-14 12:32:23,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb7df8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:32:23, skipping insertion in model container [2025-04-14 12:32:23,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 12:32:23" (3/3) ... [2025-04-14 12:32:23,691 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2025-04-14 12:32:23,701 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 12:32:23,703 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-1-dsl.wvr.c that has 7 procedures, 66 locations, 68 edges, 1 initial locations, 5 loop locations, and 1 error locations. [2025-04-14 12:32:23,704 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 12:32:23,762 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2025-04-14 12:32:23,793 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 12:32:23,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 12:32:23,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:23,796 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 12:32:23,797 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 12:32:23,873 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 12:32:23,884 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork0 ======== [2025-04-14 12:32:23,888 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;@5d41167d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 12:32:23,889 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-14 12:32:24,892 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2025-04-14 12:32:24,893 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2025-04-14 12:32:24,896 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-04-14 12:32:24,897 INFO L320 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork0 was SAFE,SAFE (1/3) [2025-04-14 12:32:24,912 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 12:32:24,913 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 12:32:24,913 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 12:32:24,913 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;@5d41167d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 12:32:24,913 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-14 12:32:24,937 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:32:24,937 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:24,938 INFO L139 ounterexampleChecker]: Examining path program with hash -1530478484, occurence #1 [2025-04-14 12:32:24,938 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:32:24,938 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:24,940 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:24,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1270390664, now seen corresponding path program 1 times [2025-04-14 12:32:24,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:24,945 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173953620] [2025-04-14 12:32:24,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:24,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:24,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-04-14 12:32:25,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-04-14 12:32:25,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:25,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:25,105 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 12:32:25,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:25,105 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173953620] [2025-04-14 12:32:25,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173953620] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:32:25,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:32:25,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 12:32:25,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254759651] [2025-04-14 12:32:25,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:32:25,111 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-14 12:32:25,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:25,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-14 12:32:25,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-14 12:32:25,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:25,126 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:25,127 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 12:32:25,127 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:25,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:25,846 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 12:32:25,846 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:32:25,846 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:25,846 INFO L139 ounterexampleChecker]: Examining path program with hash 1019149540, occurence #1 [2025-04-14 12:32:25,846 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:32:25,846 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:25,847 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:25,847 INFO L85 PathProgramCache]: Analyzing trace with hash -885745993, now seen corresponding path program 1 times [2025-04-14 12:32:25,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:25,847 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965526995] [2025-04-14 12:32:25,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:25,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:25,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-04-14 12:32:25,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-04-14 12:32:25,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:25,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:26,268 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 12:32:26,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:26,269 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965526995] [2025-04-14 12:32:26,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965526995] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:32:26,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:32:26,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 12:32:26,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303121339] [2025-04-14 12:32:26,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:32:26,269 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 12:32:26,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:26,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 12:32:26,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 12:32:26,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:26,272 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:26,272 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 12:32:26,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:26,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:26,522 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:26,523 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:26,523 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 12:32:26,523 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:32:26,523 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:26,523 INFO L139 ounterexampleChecker]: Examining path program with hash 1371613761, occurence #1 [2025-04-14 12:32:26,523 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:32:26,523 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:26,524 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:26,524 INFO L85 PathProgramCache]: Analyzing trace with hash -388202200, now seen corresponding path program 2 times [2025-04-14 12:32:26,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:26,524 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250327623] [2025-04-14 12:32:26,524 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:32:26,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:26,538 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 1 equivalence classes. [2025-04-14 12:32:26,570 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-04-14 12:32:26,570 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 12:32:26,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:26,803 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 12:32:26,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:26,803 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250327623] [2025-04-14 12:32:26,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250327623] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:32:26,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:32:26,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 12:32:26,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865608571] [2025-04-14 12:32:26,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:32:26,803 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 12:32:26,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:26,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 12:32:26,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-14 12:32:26,804 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:26,804 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:26,804 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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 12:32:26,804 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:26,804 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:26,804 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:27,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:27,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:27,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:27,023 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 12:32:27,023 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:32:27,023 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:27,024 INFO L139 ounterexampleChecker]: Examining path program with hash 1371613761, occurence #2 [2025-04-14 12:32:27,024 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:32:27,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:32:27,024 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:27,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 12:32:27,039 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:27,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 12:32:27,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:27,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 12:32:27,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:27,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 12:32:27,040 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:27,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 12:32:27,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:27,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 12:32:27,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:27,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-14 12:32:27,061 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:27,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1712494026, now seen corresponding path program 1 times [2025-04-14 12:32:27,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:27,062 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336177289] [2025-04-14 12:32:27,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:27,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:27,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-04-14 12:32:27,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-04-14 12:32:27,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:27,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:27,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:27,218 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:27,218 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336177289] [2025-04-14 12:32:27,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336177289] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:27,218 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [898094935] [2025-04-14 12:32:27,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:27,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:27,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-04-14 12:32:27,255 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-04-14 12:32:27,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:27,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:27,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 12:32:27,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:27,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:27,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [898094935] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:27,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:27,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 12:32:27,355 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:27,355 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 12:32:27,370 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:27,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1402524594, now seen corresponding path program 1 times [2025-04-14 12:32:27,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:27,371 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248399559] [2025-04-14 12:32:27,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:27,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:27,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-04-14 12:32:27,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-04-14 12:32:27,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:27,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:27,507 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:27,507 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248399559] [2025-04-14 12:32:27,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248399559] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:27,507 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1599641307] [2025-04-14 12:32:27,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:27,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:27,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-04-14 12:32:27,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-04-14 12:32:27,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:27,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:27,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 12:32:27,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:27,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1599641307] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:27,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:27,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 12:32:27,625 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:27,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 12:32:27,679 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:27,679 INFO L85 PathProgramCache]: Analyzing trace with hash -419739119, now seen corresponding path program 1 times [2025-04-14 12:32:27,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:27,680 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507090379] [2025-04-14 12:32:27,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:27,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:27,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-04-14 12:32:27,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-04-14 12:32:27,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:27,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:27,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:27,829 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:27,829 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507090379] [2025-04-14 12:32:27,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507090379] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:27,829 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [13445724] [2025-04-14 12:32:27,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:27,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:27,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-04-14 12:32:27,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-04-14 12:32:27,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:27,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:27,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 12:32:27,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:27,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [13445724] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:27,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:27,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 12:32:27,936 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:27,936 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-04-14 12:32:27,936 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:27,936 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-14 12:32:27,969 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:27,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1997666354, now seen corresponding path program 1 times [2025-04-14 12:32:27,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:27,970 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198749968] [2025-04-14 12:32:27,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:27,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:27,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-04-14 12:32:27,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-04-14 12:32:28,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:28,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:28,154 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:28,154 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198749968] [2025-04-14 12:32:28,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198749968] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:28,154 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [292211414] [2025-04-14 12:32:28,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:28,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:28,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-04-14 12:32:28,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-04-14 12:32:28,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:28,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:28,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 12:32:28,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:28,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:28,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [292211414] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:28,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:28,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 12:32:28,303 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:28,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 12:32:28,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:28,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-14 12:32:28,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:28,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-04-14 12:32:28,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:28,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2025-04-14 12:32:28,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:28,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 12:32:28,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:28,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-14 12:32:28,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:28,303 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:32:28,303 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:28,304 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:28,304 INFO L85 PathProgramCache]: Analyzing trace with hash -720597434, now seen corresponding path program 1 times [2025-04-14 12:32:28,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:28,304 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952157464] [2025-04-14 12:32:28,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:28,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:28,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-04-14 12:32:28,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-04-14 12:32:28,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:28,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:28,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:28,526 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952157464] [2025-04-14 12:32:28,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952157464] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:28,526 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153637550] [2025-04-14 12:32:28,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:28,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:28,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:28,529 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 12:32:28,530 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 12:32:28,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-04-14 12:32:28,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-04-14 12:32:28,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:28,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:28,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 12:32:28,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:28,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:28,742 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:32:28,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:28,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153637550] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:32:28,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:32:28,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-04-14 12:32:28,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277543116] [2025-04-14 12:32:28,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:32:28,811 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-14 12:32:28,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:28,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-14 12:32:28,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-04-14 12:32:28,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:28,811 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:28,813 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 11 states have internal predecessors, (118), 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 12:32:28,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:28,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:28,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:28,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:29,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:29,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:29,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:29,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:32:29,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-14 12:32:29,306 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,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2025-04-14 12:32:29,306 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:32:29,306 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:29,306 INFO L139 ounterexampleChecker]: Examining path program with hash 1371613761, occurence #3 [2025-04-14 12:32:29,306 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:32:29,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:32:29,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:29,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 12:32:29,307 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:29,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 12:32:29,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:29,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 12:32:29,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:29,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 12:32:29,307 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:29,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 12:32:29,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:29,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 12:32:29,307 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:29,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 12:32:29,325 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:29,325 INFO L85 PathProgramCache]: Analyzing trace with hash -401250456, now seen corresponding path program 1 times [2025-04-14 12:32:29,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:29,326 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197843554] [2025-04-14 12:32:29,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:29,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:29,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-04-14 12:32:29,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-04-14 12:32:29,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:29,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:29,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:29,544 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:29,544 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197843554] [2025-04-14 12:32:29,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197843554] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:29,544 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1297480061] [2025-04-14 12:32:29,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:29,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:29,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-04-14 12:32:29,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-04-14 12:32:29,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:29,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:29,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-14 12:32:29,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:29,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1297480061] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:29,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:29,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2025-04-14 12:32:29,801 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:29,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 12:32:29,817 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:29,817 INFO L85 PathProgramCache]: Analyzing trace with hash 2112842368, now seen corresponding path program 1 times [2025-04-14 12:32:29,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:29,817 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018021943] [2025-04-14 12:32:29,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:29,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:29,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-04-14 12:32:29,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-04-14 12:32:29,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:29,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:30,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:30,041 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:30,041 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018021943] [2025-04-14 12:32:30,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018021943] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:30,041 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [798722589] [2025-04-14 12:32:30,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:30,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:30,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-04-14 12:32:30,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-04-14 12:32:30,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:30,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:30,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 12:32:30,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:30,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [798722589] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:30,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:30,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2025-04-14 12:32:30,330 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:30,330 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 12:32:30,345 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:30,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1076857923, now seen corresponding path program 1 times [2025-04-14 12:32:30,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:30,346 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841727540] [2025-04-14 12:32:30,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:30,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:30,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-04-14 12:32:30,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-04-14 12:32:30,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:30,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:30,670 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:30,670 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841727540] [2025-04-14 12:32:30,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841727540] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:30,670 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [158082908] [2025-04-14 12:32:30,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:30,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:30,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-04-14 12:32:30,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-04-14 12:32:30,695 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:30,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:30,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-14 12:32:30,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:31,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:31,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [158082908] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:31,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:31,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2025-04-14 12:32:31,111 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:31,112 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-14 12:32:31,112 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:31,112 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 12:32:31,138 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:31,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1920020196, now seen corresponding path program 1 times [2025-04-14 12:32:31,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:31,138 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253457854] [2025-04-14 12:32:31,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:31,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:31,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-04-14 12:32:31,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-04-14 12:32:31,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:31,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:31,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:31,550 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:31,551 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253457854] [2025-04-14 12:32:31,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253457854] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:31,551 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1046845939] [2025-04-14 12:32:31,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:31,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:31,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-04-14 12:32:31,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-04-14 12:32:31,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:31,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:31,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-04-14 12:32:31,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:32,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1046845939] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:32,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:32,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 37 [2025-04-14 12:32:32,108 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:32,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 12:32:32,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:32,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 12:32:32,109 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:32,109 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2025-04-14 12:32:32,109 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:32,109 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2025-04-14 12:32:32,109 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:32,109 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 12:32:32,109 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:32,109 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 12:32:32,109 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:32,109 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:32:32,109 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:32,109 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:32,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1860052200, now seen corresponding path program 2 times [2025-04-14 12:32:32,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:32,110 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178615060] [2025-04-14 12:32:32,110 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:32:32,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:32,124 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 116 statements into 2 equivalence classes. [2025-04-14 12:32:32,140 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 114 of 116 statements. [2025-04-14 12:32:32,140 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 12:32:32,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:32:32,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:32,397 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178615060] [2025-04-14 12:32:32,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178615060] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:32:32,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:32:32,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-04-14 12:32:32,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223913153] [2025-04-14 12:32:32,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:32:32,398 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-14 12:32:32,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:32,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-14 12:32:32,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-04-14 12:32:32,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:32,398 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:32,398 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 11 states have internal predecessors, (92), 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 12:32:32,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:32,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:32,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:32,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:32:32,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:32,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:32,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:32,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:32,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:32:32,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:32,758 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-04-14 12:32:32,758 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:32:32,758 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:32,758 INFO L139 ounterexampleChecker]: Examining path program with hash 65575532, occurence #1 [2025-04-14 12:32:32,758 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:32:32,758 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:32,759 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:32,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1980980698, now seen corresponding path program 3 times [2025-04-14 12:32:32,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:32,759 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017820841] [2025-04-14 12:32:32,759 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:32:32,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:32,772 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 180 statements into 4 equivalence classes. [2025-04-14 12:32:33,083 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 180 of 180 statements. [2025-04-14 12:32:33,083 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-14 12:32:33,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:34,544 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 72 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:34,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:34,545 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017820841] [2025-04-14 12:32:34,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017820841] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:34,545 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392092523] [2025-04-14 12:32:34,545 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:32:34,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:34,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:34,546 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 12:32:34,548 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 12:32:34,638 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 180 statements into 4 equivalence classes. [2025-04-14 12:32:34,718 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 180 of 180 statements. [2025-04-14 12:32:34,718 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-14 12:32:34,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:34,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-14 12:32:34,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:35,356 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:32:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:35,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392092523] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:32:35,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:32:35,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 19, 19] total 75 [2025-04-14 12:32:35,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359470885] [2025-04-14 12:32:35,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:32:35,873 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2025-04-14 12:32:35,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:35,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2025-04-14 12:32:35,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1130, Invalid=4570, Unknown=0, NotChecked=0, Total=5700 [2025-04-14 12:32:35,876 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:35,876 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:35,877 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 6.184210526315789) internal successors, (470), 75 states have internal predecessors, (470), 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 12:32:35,877 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:35,877 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:35,877 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:35,877 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:32:35,877 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:35,877 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:36,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:36,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:36,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:36,467 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:32:36,467 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:36,467 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:36,474 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 12:32:36,671 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:36,671 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:32:36,671 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:36,671 INFO L139 ounterexampleChecker]: Examining path program with hash 65575532, occurence #2 [2025-04-14 12:32:36,671 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:32:36,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:32:36,671 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:36,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 12:32:36,671 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:36,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 12:32:36,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:36,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 12:32:36,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:36,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 12:32:36,672 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:36,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-14 12:32:36,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:36,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 12:32:36,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:36,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-14 12:32:36,682 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:36,682 INFO L85 PathProgramCache]: Analyzing trace with hash 854060805, now seen corresponding path program 1 times [2025-04-14 12:32:36,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:36,682 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201803351] [2025-04-14 12:32:36,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:36,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:36,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-04-14 12:32:36,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-04-14 12:32:36,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:36,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:32:36,710 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:32:36,711 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:32:36,712 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 12:32:36,721 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:36,721 INFO L85 PathProgramCache]: Analyzing trace with hash -304757680, now seen corresponding path program 1 times [2025-04-14 12:32:36,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:36,721 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55687319] [2025-04-14 12:32:36,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:36,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:36,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-04-14 12:32:36,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-04-14 12:32:36,744 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:36,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:37,199 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:37,199 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:37,199 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55687319] [2025-04-14 12:32:37,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55687319] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:37,200 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1437405001] [2025-04-14 12:32:37,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:37,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:37,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-04-14 12:32:37,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-04-14 12:32:37,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:37,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:37,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-14 12:32:37,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:37,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1437405001] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:37,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:37,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2025-04-14 12:32:37,807 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:37,807 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-04-14 12:32:37,818 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:37,818 INFO L85 PathProgramCache]: Analyzing trace with hash 40977117, now seen corresponding path program 1 times [2025-04-14 12:32:37,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:37,818 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366271309] [2025-04-14 12:32:37,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:37,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:37,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-04-14 12:32:37,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-04-14 12:32:37,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:37,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:38,701 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 72 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:38,702 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:38,702 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366271309] [2025-04-14 12:32:38,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366271309] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:38,702 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1564912238] [2025-04-14 12:32:38,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:38,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:38,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-04-14 12:32:38,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-04-14 12:32:38,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:38,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:38,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-14 12:32:38,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:40,003 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:40,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1564912238] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:40,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:40,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 71 [2025-04-14 12:32:40,004 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:40,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 12:32:40,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:40,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 156 [2025-04-14 12:32:40,030 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:40,030 INFO L85 PathProgramCache]: Analyzing trace with hash 410454270, now seen corresponding path program 1 times [2025-04-14 12:32:40,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:40,030 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020108954] [2025-04-14 12:32:40,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:40,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:40,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-04-14 12:32:40,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-04-14 12:32:40,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:40,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 72 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:41,065 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:41,065 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020108954] [2025-04-14 12:32:41,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020108954] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:41,065 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1634310302] [2025-04-14 12:32:41,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:41,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:41,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-04-14 12:32:41,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-04-14 12:32:41,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:41,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:41,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 43 conjuncts are in the unsatisfiable core [2025-04-14 12:32:41,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 117 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:42,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1634310302] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:42,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:42,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 38] total 77 [2025-04-14 12:32:42,378 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:42,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-04-14 12:32:42,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2025-04-14 12:32:42,379 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:42,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2025-04-14 12:32:42,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-14 12:32:42,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:42,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-14 12:32:42,379 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:42,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-14 12:32:42,379 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:42,379 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:32:42,379 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:42,379 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:42,379 INFO L85 PathProgramCache]: Analyzing trace with hash 262281638, now seen corresponding path program 4 times [2025-04-14 12:32:42,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:42,379 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978334457] [2025-04-14 12:32:42,379 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:32:42,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:42,391 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 184 statements into 2 equivalence classes. [2025-04-14 12:32:42,397 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 109 of 184 statements. [2025-04-14 12:32:42,397 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 12:32:42,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 19 proven. 67 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-04-14 12:32:42,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:42,619 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978334457] [2025-04-14 12:32:42,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978334457] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:42,619 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406842288] [2025-04-14 12:32:42,619 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:32:42,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:42,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:42,621 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 12:32:42,622 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 12:32:42,702 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 184 statements into 2 equivalence classes. [2025-04-14 12:32:42,732 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 109 of 184 statements. [2025-04-14 12:32:42,732 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 12:32:42,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:42,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-04-14 12:32:42,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:43,198 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-14 12:32:43,198 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:32:43,389 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 19 proven. 68 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-04-14 12:32:43,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406842288] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:32:43,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:32:43,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 34, 8] total 43 [2025-04-14 12:32:43,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560855209] [2025-04-14 12:32:43,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:32:43,390 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-04-14 12:32:43,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:43,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-04-14 12:32:43,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=1494, Unknown=0, NotChecked=0, Total=1806 [2025-04-14 12:32:43,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:43,391 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:43,391 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.627906976744186) internal successors, (285), 43 states have internal predecessors, (285), 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 12:32:43,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:43,392 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:43,392 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:43,392 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:32:43,392 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:43,392 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:43,392 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:44,537 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:44,537 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:44,537 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:44,538 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:32:44,538 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:44,538 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:44,538 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:32:44,544 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 12:32:44,738 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2025-04-14 12:32:44,738 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:32:44,739 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:44,739 INFO L139 ounterexampleChecker]: Examining path program with hash -82075884, occurence #1 [2025-04-14 12:32:44,739 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:32:44,739 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:44,739 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:44,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1859763528, now seen corresponding path program 5 times [2025-04-14 12:32:44,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:44,739 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045720335] [2025-04-14 12:32:44,739 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:32:44,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:44,753 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 224 statements into 7 equivalence classes. [2025-04-14 12:32:44,833 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 224 of 224 statements. [2025-04-14 12:32:44,833 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-14 12:32:44,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 397 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:45,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:45,488 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045720335] [2025-04-14 12:32:45,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045720335] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:45,488 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523346111] [2025-04-14 12:32:45,488 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:32:45,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:45,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:45,490 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 12:32:45,490 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 12:32:45,577 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 224 statements into 7 equivalence classes. [2025-04-14 12:32:45,799 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 224 of 224 statements. [2025-04-14 12:32:45,799 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-14 12:32:45,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:45,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-04-14 12:32:45,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:46,447 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 397 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:46,447 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:32:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 397 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:47,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523346111] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:32:47,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:32:47,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29, 29] total 83 [2025-04-14 12:32:47,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813701986] [2025-04-14 12:32:47,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:32:47,102 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2025-04-14 12:32:47,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:47,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2025-04-14 12:32:47,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=5487, Unknown=0, NotChecked=0, Total=6972 [2025-04-14 12:32:47,106 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:47,106 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:47,106 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 6.880952380952381) internal successors, (578), 83 states have internal predecessors, (578), 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 12:32:47,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:47,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:47,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:47,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:32:47,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:47,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:47,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:32:47,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:47,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:47,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:47,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:47,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:32:47,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:47,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:47,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:32:47,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:32:47,536 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 12:32:47,727 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:47,727 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:32:47,728 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:47,728 INFO L139 ounterexampleChecker]: Examining path program with hash -82075884, occurence #2 [2025-04-14 12:32:47,728 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:32:47,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:32:47,728 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:47,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 12:32:47,728 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:47,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 12:32:47,728 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:47,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 12:32:47,728 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:47,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 12:32:47,728 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:47,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 12:32:47,728 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:47,729 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 12:32:47,729 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:47,729 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 12:32:47,739 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:47,739 INFO L85 PathProgramCache]: Analyzing trace with hash 176555976, now seen corresponding path program 1 times [2025-04-14 12:32:47,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:47,739 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205674311] [2025-04-14 12:32:47,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:47,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:47,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-04-14 12:32:47,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-04-14 12:32:47,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:47,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:32:47,829 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:32:47,829 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:32:47,829 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2025-04-14 12:32:47,839 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:47,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1926347807, now seen corresponding path program 1 times [2025-04-14 12:32:47,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:47,839 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041775738] [2025-04-14 12:32:47,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:47,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:47,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-04-14 12:32:47,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-04-14 12:32:47,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:47,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:48,494 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 128 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:48,494 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:32:48,494 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041775738] [2025-04-14 12:32:48,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041775738] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:48,494 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1924886018] [2025-04-14 12:32:48,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:48,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:48,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-04-14 12:32:48,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-04-14 12:32:48,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:48,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:48,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-04-14 12:32:48,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:49,185 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 140 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:49,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1924886018] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:49,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:32:49,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 59 [2025-04-14 12:32:49,185 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:32:49,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2025-04-14 12:32:49,186 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:49,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2025-04-14 12:32:49,186 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:49,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-04-14 12:32:49,186 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:49,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2025-04-14 12:32:49,186 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:49,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2025-04-14 12:32:49,186 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:49,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-04-14 12:32:49,186 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:49,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-04-14 12:32:49,186 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:49,186 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:32:49,186 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:49,186 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:49,186 INFO L85 PathProgramCache]: Analyzing trace with hash 653421640, now seen corresponding path program 6 times [2025-04-14 12:32:49,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:49,186 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018314668] [2025-04-14 12:32:49,186 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:32:49,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:49,207 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 232 statements into 8 equivalence classes. [2025-04-14 12:32:49,440 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 232 of 232 statements. [2025-04-14 12:32:49,440 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-14 12:32:49,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:51,358 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 307 proven. 195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:51,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:51,359 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018314668] [2025-04-14 12:32:51,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018314668] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:51,359 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732768221] [2025-04-14 12:32:51,359 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:32:51,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:51,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:51,360 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 12:32:51,362 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 12:32:51,455 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 232 statements into 8 equivalence classes. [2025-04-14 12:32:51,768 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 232 of 232 statements. [2025-04-14 12:32:51,768 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-14 12:32:51,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:51,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-14 12:32:51,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 397 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:52,874 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:32:54,061 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 397 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:54,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732768221] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:32:54,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:32:54,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 37, 37] total 131 [2025-04-14 12:32:54,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823786628] [2025-04-14 12:32:54,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:32:54,062 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2025-04-14 12:32:54,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:54,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2025-04-14 12:32:54,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2915, Invalid=14377, Unknown=0, NotChecked=0, Total=17292 [2025-04-14 12:32:54,067 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:54,067 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:54,068 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 4.848484848484849) internal successors, (640), 131 states have internal predecessors, (640), 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 12:32:54,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:54,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:54,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:54,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:32:54,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:54,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:54,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:32:54,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:32:54,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:54,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:54,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:54,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:54,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:32:54,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:54,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:54,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:32:54,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:32:54,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:32:54,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-14 12:32:54,699 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:54,700 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:32:54,700 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:54,700 INFO L139 ounterexampleChecker]: Examining path program with hash -82075884, occurence #3 [2025-04-14 12:32:54,700 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:32:54,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:32:54,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:54,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-14 12:32:54,700 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:54,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 12:32:54,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:54,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 12:32:54,700 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:54,700 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 12:32:54,700 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:54,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-14 12:32:54,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:54,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 12:32:54,701 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:54,701 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 12:32:54,710 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:54,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1323226440, now seen corresponding path program 1 times [2025-04-14 12:32:54,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:54,710 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142465493] [2025-04-14 12:32:54,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:54,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:54,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-04-14 12:32:54,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-04-14 12:32:54,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:54,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:32:54,787 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:32:54,787 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:32:54,787 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-04-14 12:32:54,798 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:54,798 INFO L85 PathProgramCache]: Analyzing trace with hash -952803631, now seen corresponding path program 1 times [2025-04-14 12:32:54,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:54,798 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474801021] [2025-04-14 12:32:54,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:54,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:54,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-04-14 12:32:54,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-04-14 12:32:54,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:54,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:32:54,935 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:32:54,935 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:32:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2025-04-14 12:32:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2025-04-14 12:32:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2025-04-14 12:32:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:54,936 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-04-14 12:32:54,936 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:54,936 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-04-14 12:32:54,936 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:54,936 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-04-14 12:32:54,936 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:54,936 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2025-04-14 12:32:54,936 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:54,936 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:32:54,936 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:54,936 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:54,936 INFO L85 PathProgramCache]: Analyzing trace with hash 61735846, now seen corresponding path program 7 times [2025-04-14 12:32:54,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:54,937 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754559571] [2025-04-14 12:32:54,937 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:32:54,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:54,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 239 statements into 1 equivalence classes. [2025-04-14 12:32:54,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 239 of 239 statements. [2025-04-14 12:32:54,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:54,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:56,322 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 379 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:56,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:32:56,322 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754559571] [2025-04-14 12:32:56,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754559571] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:32:56,322 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503204001] [2025-04-14 12:32:56,322 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:32:56,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:56,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:32:56,324 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 12:32:56,325 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 12:32:56,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 239 statements into 1 equivalence classes. [2025-04-14 12:32:56,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 239 of 239 statements. [2025-04-14 12:32:56,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:56,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:32:56,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-04-14 12:32:56,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:32:57,719 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 397 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:57,719 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:32:58,764 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 397 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:32:58,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503204001] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:32:58,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:32:58,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 45, 45] total 112 [2025-04-14 12:32:58,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100708655] [2025-04-14 12:32:58,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:32:58,765 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2025-04-14 12:32:58,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:32:58,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2025-04-14 12:32:58,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2898, Invalid=9758, Unknown=0, NotChecked=0, Total=12656 [2025-04-14 12:32:58,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:58,769 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:32:58,770 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 4.336283185840708) internal successors, (490), 112 states have internal predecessors, (490), 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 12:32:58,770 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:58,770 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:58,770 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:58,770 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:32:58,770 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:58,770 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:58,770 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:32:58,770 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:32:58,770 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:32:58,770 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:59,071 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:32:59,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:32:59,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:32:59,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:32:59,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:32:59,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:32:59,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:32:59,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:32:59,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:32:59,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:32:59,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-14 12:32:59,272 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:32:59,272 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:32:59,273 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:32:59,273 INFO L139 ounterexampleChecker]: Examining path program with hash -82075884, occurence #4 [2025-04-14 12:32:59,273 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:32:59,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:32:59,273 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:59,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 12:32:59,273 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:59,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 12:32:59,273 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:59,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 12:32:59,273 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:59,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 12:32:59,273 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:59,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 12:32:59,273 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:59,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 12:32:59,273 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:59,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-04-14 12:32:59,283 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:59,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1104578340, now seen corresponding path program 1 times [2025-04-14 12:32:59,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:59,283 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092274543] [2025-04-14 12:32:59,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:59,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:59,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-04-14 12:32:59,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-04-14 12:32:59,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:59,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:32:59,351 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:32:59,351 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:32:59,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 12:32:59,366 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:59,366 INFO L85 PathProgramCache]: Analyzing trace with hash 785233141, now seen corresponding path program 1 times [2025-04-14 12:32:59,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:32:59,366 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923877158] [2025-04-14 12:32:59,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:32:59,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:59,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-04-14 12:32:59,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-04-14 12:32:59,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:32:59,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:32:59,475 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:32:59,476 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:32:59,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2025-04-14 12:32:59,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:59,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2025-04-14 12:32:59,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:59,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2025-04-14 12:32:59,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:59,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2025-04-14 12:32:59,476 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:59,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2025-04-14 12:32:59,477 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:32:59,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-04-14 12:32:59,477 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:59,477 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-04-14 12:32:59,477 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:32:59,477 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:32:59,477 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:32:59,477 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:32:59,477 INFO L85 PathProgramCache]: Analyzing trace with hash 250354504, now seen corresponding path program 8 times [2025-04-14 12:32:59,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:32:59,477 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647228427] [2025-04-14 12:32:59,477 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:32:59,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:32:59,494 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 240 statements into 2 equivalence classes. [2025-04-14 12:32:59,554 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 240 of 240 statements. [2025-04-14 12:32:59,554 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:32:59,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 210 proven. 440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:00,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:33:00,910 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647228427] [2025-04-14 12:33:00,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647228427] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:00,910 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709209375] [2025-04-14 12:33:00,910 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:33:00,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:33:00,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:33:00,912 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 12:33:00,919 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 12:33:01,036 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 240 statements into 2 equivalence classes. [2025-04-14 12:33:01,114 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 240 of 240 statements. [2025-04-14 12:33:01,115 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:33:01,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:01,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-04-14 12:33:01,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:33:02,587 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 397 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:02,587 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:33:04,360 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 397 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:04,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709209375] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:33:04,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:33:04,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 47, 47] total 136 [2025-04-14 12:33:04,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580622182] [2025-04-14 12:33:04,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:33:04,361 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2025-04-14 12:33:04,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:33:04,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2025-04-14 12:33:04,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2740, Invalid=15892, Unknown=0, NotChecked=0, Total=18632 [2025-04-14 12:33:04,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:04,366 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:33:04,366 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 4.839416058394161) internal successors, (663), 136 states have internal predecessors, (663), 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 12:33:04,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:04,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:33:04,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:33:04,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:33:04,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:33:04,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:33:04,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:33:04,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:33:04,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:33:04,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:33:04,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:06,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:06,181 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:33:06,181 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:33:06,181 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:33:06,181 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:33:06,181 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:33:06,181 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:33:06,181 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:33:06,181 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:33:06,181 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:33:06,181 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:33:06,188 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 12:33:06,381 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,SelfDestructingSolverStorable40,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-04-14 12:33:06,382 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:33:06,382 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:33:06,382 INFO L139 ounterexampleChecker]: Examining path program with hash 135455813, occurence #1 [2025-04-14 12:33:06,382 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:33:06,382 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:33:06,382 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:06,382 INFO L85 PathProgramCache]: Analyzing trace with hash 383762219, now seen corresponding path program 9 times [2025-04-14 12:33:06,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:33:06,383 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831606501] [2025-04-14 12:33:06,383 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:33:06,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:06,404 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 357 statements into 15 equivalence classes. [2025-04-14 12:33:07,082 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 357 of 357 statements. [2025-04-14 12:33:07,082 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-04-14 12:33:07,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 1516 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:11,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:33:11,971 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831606501] [2025-04-14 12:33:11,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831606501] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:11,972 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561387974] [2025-04-14 12:33:11,972 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:33:11,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:33:11,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:33:11,973 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 12:33:11,974 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 12:33:12,111 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 357 statements into 15 equivalence classes. [2025-04-14 12:33:13,999 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 357 of 357 statements. [2025-04-14 12:33:13,999 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-04-14 12:33:13,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:14,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 1586 conjuncts, 63 conjuncts are in the unsatisfiable core [2025-04-14 12:33:14,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:33:16,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 1726 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:16,562 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:33:19,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 1726 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:19,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561387974] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:33:19,486 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:33:19,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 61, 61] total 217 [2025-04-14 12:33:19,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332309067] [2025-04-14 12:33:19,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:33:19,487 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 218 states [2025-04-14 12:33:19,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:33:19,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2025-04-14 12:33:19,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8018, Invalid=39288, Unknown=0, NotChecked=0, Total=47306 [2025-04-14 12:33:19,493 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:19,493 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:33:19,494 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 218 states, 218 states have (on average 4.610091743119266) internal successors, (1005), 217 states have internal predecessors, (1005), 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 12:33:19,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:19,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:33:19,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:33:19,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:33:19,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:33:19,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:33:19,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:33:19,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:33:19,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:33:19,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:33:19,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:33:19,494 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:19,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:19,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:33:19,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:33:19,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:33:19,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:33:19,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:33:19,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:33:19,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:33:19,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:33:19,990 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:33:19,990 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:33:19,990 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 12:33:20,003 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 12:33:20,190 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:33:20,190 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:33:20,190 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:33:20,191 INFO L139 ounterexampleChecker]: Examining path program with hash 135455813, occurence #2 [2025-04-14 12:33:20,191 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:33:20,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:33:20,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:20,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-14 12:33:20,191 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:20,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-14 12:33:20,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:20,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-14 12:33:20,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:20,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-14 12:33:20,191 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:20,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 12:33:20,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:20,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 12:33:20,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:20,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2025-04-14 12:33:20,202 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:20,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1043304551, now seen corresponding path program 1 times [2025-04-14 12:33:20,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:33:20,202 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500019043] [2025-04-14 12:33:20,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:20,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:20,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 249 statements into 1 equivalence classes. [2025-04-14 12:33:20,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 249 of 249 statements. [2025-04-14 12:33:20,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:20,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:33:20,491 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:33:20,491 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:33:20,492 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2025-04-14 12:33:20,504 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:20,504 INFO L85 PathProgramCache]: Analyzing trace with hash 527115492, now seen corresponding path program 1 times [2025-04-14 12:33:20,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:33:20,504 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932638414] [2025-04-14 12:33:20,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:33:20,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:20,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 281 statements into 1 equivalence classes. [2025-04-14 12:33:20,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 281 of 281 statements. [2025-04-14 12:33:20,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:33:20,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:33:20,808 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:33:20,809 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:33:20,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 345 [2025-04-14 12:33:20,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:20,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 349 [2025-04-14 12:33:20,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:20,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 354 [2025-04-14 12:33:20,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:20,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 357 [2025-04-14 12:33:20,809 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:20,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 361 [2025-04-14 12:33:20,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:33:20,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2025-04-14 12:33:20,809 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:20,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 367 [2025-04-14 12:33:20,809 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:33:20,809 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:33:20,809 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:33:20,810 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:20,810 INFO L85 PathProgramCache]: Analyzing trace with hash -889389107, now seen corresponding path program 10 times [2025-04-14 12:33:20,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:33:20,810 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21830230] [2025-04-14 12:33:20,810 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:33:20,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:20,834 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 370 statements into 2 equivalence classes. [2025-04-14 12:33:20,848 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 187 of 370 statements. [2025-04-14 12:33:20,848 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 12:33:20,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2392 backedges. 153 proven. 454 refuted. 0 times theorem prover too weak. 1785 trivial. 0 not checked. [2025-04-14 12:33:21,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:33:21,501 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21830230] [2025-04-14 12:33:21,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21830230] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:21,501 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123853069] [2025-04-14 12:33:21,501 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:33:21,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:33:21,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:33:21,503 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 12:33:21,504 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 12:33:21,656 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 370 statements into 2 equivalence classes. [2025-04-14 12:33:21,702 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 187 of 370 statements. [2025-04-14 12:33:21,702 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 12:33:21,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:21,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 74 conjuncts are in the unsatisfiable core [2025-04-14 12:33:21,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:33:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2392 backedges. 0 proven. 1726 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2025-04-14 12:33:23,217 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:33:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2392 backedges. 153 proven. 454 refuted. 0 times theorem prover too weak. 1785 trivial. 0 not checked. [2025-04-14 12:33:23,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123853069] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:33:23,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:33:23,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 75, 9] total 81 [2025-04-14 12:33:23,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063616595] [2025-04-14 12:33:23,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:33:23,600 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2025-04-14 12:33:23,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:33:23,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2025-04-14 12:33:23,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=5934, Unknown=0, NotChecked=0, Total=6480 [2025-04-14 12:33:23,602 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:23,602 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:33:23,603 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 4.888888888888889) internal successors, (396), 81 states have internal predecessors, (396), 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 12:33:23,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:23,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:33:23,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:33:23,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:33:23,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:33:23,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:33:23,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:33:23,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:33:23,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:33:23,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:33:23,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:33:23,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-14 12:33:23,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:28,376 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:33:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:33:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:33:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:33:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:33:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:33:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:33:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:33:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:33:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:33:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:33:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:33:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:33:28,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-04-14 12:33:28,577 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44 [2025-04-14 12:33:28,578 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:33:28,578 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:33:28,578 INFO L139 ounterexampleChecker]: Examining path program with hash -453654648, occurence #1 [2025-04-14 12:33:28,578 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:33:28,578 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:33:28,578 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:33:28,578 INFO L85 PathProgramCache]: Analyzing trace with hash 157538646, now seen corresponding path program 11 times [2025-04-14 12:33:28,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:33:28,579 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302636005] [2025-04-14 12:33:28,579 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:33:28,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:33:28,606 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 438 statements into 19 equivalence classes. [2025-04-14 12:33:28,941 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) and asserted 438 of 438 statements. [2025-04-14 12:33:28,941 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2025-04-14 12:33:28,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2976 backedges. 2310 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:33:32,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:33:32,784 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302636005] [2025-04-14 12:33:32,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302636005] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:33:32,784 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72079694] [2025-04-14 12:33:32,784 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:33:32,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:33:32,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:33:32,786 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 12:33:32,787 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 12:33:32,957 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 438 statements into 19 equivalence classes. [2025-04-14 12:33:57,703 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) and asserted 438 of 438 statements. [2025-04-14 12:33:57,703 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2025-04-14 12:33:57,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:33:57,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 1958 conjuncts, 77 conjuncts are in the unsatisfiable core [2025-04-14 12:33:57,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:34:00,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2976 backedges. 2275 proven. 666 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-04-14 12:34:00,362 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:34:03,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2976 backedges. 2275 proven. 666 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-04-14 12:34:03,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72079694] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:34:03,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:34:03,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 75, 75] total 227 [2025-04-14 12:34:03,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642548362] [2025-04-14 12:34:03,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:34:03,792 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 228 states [2025-04-14 12:34:03,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:34:03,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2025-04-14 12:34:03,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8752, Invalid=43004, Unknown=0, NotChecked=0, Total=51756 [2025-04-14 12:34:03,799 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:03,799 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:34:03,799 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 228 states, 228 states have (on average 4.912280701754386) internal successors, (1120), 227 states have internal predecessors, (1120), 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 12:34:03,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:03,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:34:03,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:03,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:34:03,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:03,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:34:03,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:34:03,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:34:03,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:34:03,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:34:03,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:34:03,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:34:03,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:34:03,800 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:04,522 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:04,522 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:34:04,522 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:04,522 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:34:04,522 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:04,522 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:34:04,522 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:34:04,523 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:34:04,523 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:34:04,523 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:34:04,523 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:34:04,523 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:34:04,523 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:34:04,523 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:34:04,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-14 12:34:04,723 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,SelfDestructingSolverStorable45 [2025-04-14 12:34:04,723 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:34:04,723 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:34:04,724 INFO L139 ounterexampleChecker]: Examining path program with hash -453654648, occurence #2 [2025-04-14 12:34:04,724 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:34:04,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:34:04,724 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 12:34:04,724 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:04,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-14 12:34:04,724 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-14 12:34:04,724 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 12:34:04,724 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:04,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 12:34:04,724 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-04-14 12:34:04,724 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:04,724 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 293 [2025-04-14 12:34:04,733 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:04,733 INFO L85 PathProgramCache]: Analyzing trace with hash -2063231586, now seen corresponding path program 1 times [2025-04-14 12:34:04,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:34:04,734 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548708640] [2025-04-14 12:34:04,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:34:04,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:04,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 294 statements into 1 equivalence classes. [2025-04-14 12:34:05,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 294 of 294 statements. [2025-04-14 12:34:05,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:34:05,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:34:05,050 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:34:05,050 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:34:05,050 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 325 [2025-04-14 12:34:05,058 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:05,058 INFO L85 PathProgramCache]: Analyzing trace with hash 965585335, now seen corresponding path program 1 times [2025-04-14 12:34:05,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:34:05,059 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132610609] [2025-04-14 12:34:05,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:34:05,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:05,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 326 statements into 1 equivalence classes. [2025-04-14 12:34:05,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 326 of 326 statements. [2025-04-14 12:34:05,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:34:05,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:34:05,450 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:34:05,450 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:34:05,451 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 403 is hopeless, skipping. [2025-04-14 12:34:05,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 412 [2025-04-14 12:34:05,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:05,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 422 [2025-04-14 12:34:05,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:05,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 426 [2025-04-14 12:34:05,451 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:05,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 430 [2025-04-14 12:34:05,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:34:05,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2025-04-14 12:34:05,451 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:05,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 436 [2025-04-14 12:34:05,451 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:34:05,451 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:34:05,451 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:34:05,451 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:05,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1066633356, now seen corresponding path program 12 times [2025-04-14 12:34:05,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:34:05,452 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47683585] [2025-04-14 12:34:05,452 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:34:05,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:05,507 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 439 statements into 20 equivalence classes. [2025-04-14 12:34:07,366 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) and asserted 439 of 439 statements. [2025-04-14 12:34:07,367 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2025-04-14 12:34:07,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:11,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3013 backedges. 2130 proven. 883 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:34:11,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:34:11,479 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47683585] [2025-04-14 12:34:11,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47683585] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:34:11,479 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619627594] [2025-04-14 12:34:11,479 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:34:11,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:34:11,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:34:11,481 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 12:34:11,482 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 12:34:11,666 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 439 statements into 20 equivalence classes. [2025-04-14 12:34:38,573 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) and asserted 439 of 439 statements. [2025-04-14 12:34:38,574 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2025-04-14 12:34:38,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:38,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 90 conjuncts are in the unsatisfiable core [2025-04-14 12:34:38,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:34:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3013 backedges. 0 proven. 2310 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2025-04-14 12:34:42,382 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:34:42,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3013 backedges. 418 proven. 35 refuted. 0 times theorem prover too weak. 2560 trivial. 0 not checked. [2025-04-14 12:34:42,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619627594] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:34:42,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:34:42,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 91, 10] total 180 [2025-04-14 12:34:42,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346673328] [2025-04-14 12:34:42,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:34:42,954 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 180 states [2025-04-14 12:34:42,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:34:42,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2025-04-14 12:34:42,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2344, Invalid=29876, Unknown=0, NotChecked=0, Total=32220 [2025-04-14 12:34:42,958 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:42,958 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:34:42,959 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 180 states, 180 states have (on average 4.961111111111111) internal successors, (893), 180 states have internal predecessors, (893), 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 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:34:42,959 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:50,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:50,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:34:50,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:50,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:34:50,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:34:50,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:34:50,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:34:50,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:34:50,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:34:50,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:34:50,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:34:50,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:34:50,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:34:50,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:34:50,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:34:50,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-14 12:34:50,266 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,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48 [2025-04-14 12:34:50,266 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:34:50,266 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:34:50,267 INFO L139 ounterexampleChecker]: Examining path program with hash 2138636465, occurence #1 [2025-04-14 12:34:50,267 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:34:50,267 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:34:50,267 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:34:50,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1349055681, now seen corresponding path program 13 times [2025-04-14 12:34:50,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:34:50,267 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20863643] [2025-04-14 12:34:50,267 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:34:50,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:34:50,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 380 statements into 1 equivalence classes. [2025-04-14 12:34:50,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 380 of 380 statements. [2025-04-14 12:34:50,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:34:50,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 666 proven. 1983 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:34:53,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:34:53,536 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20863643] [2025-04-14 12:34:53,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20863643] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:34:53,536 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797760454] [2025-04-14 12:34:53,536 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:34:53,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:34:53,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:34:53,537 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 12:34:53,538 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 12:34:53,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 380 statements into 1 equivalence classes. [2025-04-14 12:34:53,841 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 380 of 380 statements. [2025-04-14 12:34:53,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:34:53,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:34:53,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 1751 conjuncts, 79 conjuncts are in the unsatisfiable core [2025-04-14 12:34:53,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:34:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 703 proven. 1946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:34:57,137 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:34:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 741 proven. 1908 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:34:59,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797760454] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:34:59,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:34:59,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 77, 77] total 191 [2025-04-14 12:34:59,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767424726] [2025-04-14 12:34:59,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:34:59,568 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2025-04-14 12:34:59,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:34:59,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2025-04-14 12:34:59,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8268, Invalid=28404, Unknown=0, NotChecked=0, Total=36672 [2025-04-14 12:34:59,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:59,572 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:34:59,572 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 192 states have (on average 4.130208333333333) internal successors, (793), 191 states have internal predecessors, (793), 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 12:34:59,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:34:59,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:34:59,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:34:59,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:34:59,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:34:59,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:34:59,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:34:59,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:34:59,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:34:59,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:34:59,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:34:59,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:34:59,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:34:59,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:34:59,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:34:59,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:35:01,602 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:35:01,602 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:35:01,602 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:35:01,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:35:01,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:35:01,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:35:01,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:35:01,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:35:01,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:35:01,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:35:01,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:35:01,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:35:01,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:35:01,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:35:01,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:35:01,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:35:01,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-04-14 12:35:01,803 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,SelfDestructingSolverStorable49 [2025-04-14 12:35:01,804 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:35:01,804 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:35:01,804 INFO L139 ounterexampleChecker]: Examining path program with hash -1733622596, occurence #1 [2025-04-14 12:35:01,804 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:35:01,804 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:35:01,804 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:35:01,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1974386993, now seen corresponding path program 14 times [2025-04-14 12:35:01,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:35:01,805 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79105501] [2025-04-14 12:35:01,805 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:35:01,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:35:01,833 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 484 statements into 2 equivalence classes. [2025-04-14 12:35:01,917 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 484 of 484 statements. [2025-04-14 12:35:01,917 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:35:01,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:35:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4593 backedges. 3551 proven. 1042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:35:11,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:35:11,317 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79105501] [2025-04-14 12:35:11,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79105501] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:35:11,317 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516589999] [2025-04-14 12:35:11,317 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:35:11,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:35:11,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:35:11,319 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 12:35:11,320 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 12:35:11,523 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 484 statements into 2 equivalence classes. [2025-04-14 12:35:11,673 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 484 of 484 statements. [2025-04-14 12:35:11,673 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:35:11,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:35:11,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 2141 conjuncts, 81 conjuncts are in the unsatisfiable core [2025-04-14 12:35:11,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:35:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4593 backedges. 3754 proven. 741 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-04-14 12:35:15,813 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:35:20,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4593 backedges. 3754 proven. 741 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-04-14 12:35:20,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516589999] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:35:20,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:35:20,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [141, 79, 79] total 295 [2025-04-14 12:35:20,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940422963] [2025-04-14 12:35:20,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:35:20,819 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 296 states [2025-04-14 12:35:20,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:35:20,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 296 interpolants. [2025-04-14 12:35:20,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13174, Invalid=74146, Unknown=0, NotChecked=0, Total=87320 [2025-04-14 12:35:20,827 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:35:20,827 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:35:20,827 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 296 states, 296 states have (on average 4.111486486486487) internal successors, (1217), 295 states have internal predecessors, (1217), 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 12:35:20,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:35:20,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:35:20,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:35:21,407 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:35:21,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:35:21,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-04-14 12:35:21,608 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:35:21,609 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:35:21,609 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:35:21,609 INFO L139 ounterexampleChecker]: Examining path program with hash -1733622596, occurence #2 [2025-04-14 12:35:21,609 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:35:21,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:35:21,609 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:21,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 12:35:21,609 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:35:21,609 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-14 12:35:21,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:21,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-14 12:35:21,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:21,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 12:35:21,610 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:35:21,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-04-14 12:35:21,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:21,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-14 12:35:21,610 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:21,610 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 379 [2025-04-14 12:35:21,618 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:35:21,618 INFO L85 PathProgramCache]: Analyzing trace with hash -328852275, now seen corresponding path program 1 times [2025-04-14 12:35:21,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:35:21,618 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436699730] [2025-04-14 12:35:21,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:35:21,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:35:21,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 380 statements into 1 equivalence classes. [2025-04-14 12:35:21,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 380 of 380 statements. [2025-04-14 12:35:21,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:35:21,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:35:28,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3725 backedges. 2664 proven. 1061 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:35:28,367 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:35:28,367 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436699730] [2025-04-14 12:35:28,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436699730] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:35:28,367 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2075276448] [2025-04-14 12:35:28,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:35:28,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:35:28,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 380 statements into 1 equivalence classes. [2025-04-14 12:35:28,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 380 of 380 statements. [2025-04-14 12:35:28,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:35:28,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:35:28,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 124 conjuncts are in the unsatisfiable core [2025-04-14 12:35:28,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:35:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3725 backedges. 2945 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:35:36,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2075276448] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:35:36,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:35:36,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [121, 121] total 241 [2025-04-14 12:35:36,310 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:35:36,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 444 [2025-04-14 12:35:36,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:36,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 456 [2025-04-14 12:35:36,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:36,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 460 [2025-04-14 12:35:36,310 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:35:36,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 472 [2025-04-14 12:35:36,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:36,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2025-04-14 12:35:36,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:35:36,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 480 [2025-04-14 12:35:36,311 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:35:36,311 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 482 [2025-04-14 12:35:36,311 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:35:36,311 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:35:36,311 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:35:36,311 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:35:36,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1531304045, now seen corresponding path program 15 times [2025-04-14 12:35:36,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:35:36,311 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140720964] [2025-04-14 12:35:36,311 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:35:36,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:35:36,341 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 485 statements into 23 equivalence classes. [2025-04-14 12:35:37,616 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) and asserted 485 of 485 statements. [2025-04-14 12:35:37,616 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2025-04-14 12:35:37,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:35:47,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4632 backedges. 3551 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:35:47,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:35:47,044 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140720964] [2025-04-14 12:35:47,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140720964] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:35:47,044 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075156354] [2025-04-14 12:35:47,044 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:35:47,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:35:47,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:35:47,046 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 12:35:47,046 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 12:35:47,261 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 485 statements into 23 equivalence classes. [2025-04-14 12:35:59,995 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) and asserted 485 of 485 statements. [2025-04-14 12:35:59,995 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2025-04-14 12:35:59,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:36:00,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 92 conjuncts are in the unsatisfiable core [2025-04-14 12:36:00,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:36:04,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4632 backedges. 3850 proven. 780 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 12:36:04,968 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:36:10,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4632 backedges. 3850 proven. 780 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 12:36:10,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075156354] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:36:10,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:36:10,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [142, 90, 90] total 319 [2025-04-14 12:36:10,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060482564] [2025-04-14 12:36:10,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:36:10,970 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 320 states [2025-04-14 12:36:10,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:36:10,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 320 interpolants. [2025-04-14 12:36:10,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16322, Invalid=85758, Unknown=0, NotChecked=0, Total=102080 [2025-04-14 12:36:10,979 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:36:10,979 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:36:10,980 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 320 states, 320 states have (on average 4.328125) internal successors, (1385), 319 states have internal predecessors, (1385), 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 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:36:10,980 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:36:10,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:36:10,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:36:11,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:36:11,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:36:11,627 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 12:36:11,800 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:36:11,801 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:36:11,801 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:36:11,801 INFO L139 ounterexampleChecker]: Examining path program with hash -1733622596, occurence #3 [2025-04-14 12:36:11,801 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:36:11,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:36:11,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:11,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 12:36:11,801 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:36:11,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 12:36:11,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:11,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 12:36:11,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:11,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-04-14 12:36:11,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:36:11,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-14 12:36:11,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:11,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 12:36:11,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:11,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 389 [2025-04-14 12:36:11,810 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:36:11,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1852670056, now seen corresponding path program 1 times [2025-04-14 12:36:11,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:36:11,810 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46184142] [2025-04-14 12:36:11,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:36:11,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:36:11,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 390 statements into 1 equivalence classes. [2025-04-14 12:36:12,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 390 of 390 statements. [2025-04-14 12:36:12,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:36:12,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:36:12,525 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:36:12,525 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:36:12,525 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 454 [2025-04-14 12:36:12,525 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:12,525 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 466 [2025-04-14 12:36:12,525 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:12,525 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 470 [2025-04-14 12:36:12,525 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:36:12,525 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 482 [2025-04-14 12:36:12,525 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:12,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 487 [2025-04-14 12:36:12,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:36:12,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 490 [2025-04-14 12:36:12,526 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:36:12,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 492 [2025-04-14 12:36:12,526 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:36:12,526 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:36:12,526 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:36:12,526 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:36:12,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1987211859, now seen corresponding path program 16 times [2025-04-14 12:36:12,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:36:12,527 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386134260] [2025-04-14 12:36:12,527 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:36:12,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:36:12,557 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 495 statements into 2 equivalence classes. [2025-04-14 12:36:12,582 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 243 of 495 statements. [2025-04-14 12:36:12,583 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 12:36:12,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:36:13,809 INFO L134 CoverageAnalysis]: Checked inductivity of 5077 backedges. 30 proven. 550 refuted. 0 times theorem prover too weak. 4497 trivial. 0 not checked. [2025-04-14 12:36:13,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:36:13,810 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386134260] [2025-04-14 12:36:13,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386134260] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:36:13,810 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841173502] [2025-04-14 12:36:13,810 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:36:13,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:36:13,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:36:13,812 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 12:36:13,813 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 12:36:14,054 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 495 statements into 2 equivalence classes. [2025-04-14 12:36:14,112 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 243 of 495 statements. [2025-04-14 12:36:14,113 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 12:36:14,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:36:14,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 100 conjuncts are in the unsatisfiable core [2025-04-14 12:36:14,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:36:16,240 INFO L134 CoverageAnalysis]: Checked inductivity of 5077 backedges. 0 proven. 3850 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2025-04-14 12:36:16,240 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:36:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5077 backedges. 28 proven. 550 refuted. 0 times theorem prover too weak. 4499 trivial. 0 not checked. [2025-04-14 12:36:16,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841173502] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:36:16,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:36:16,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 101, 9] total 109 [2025-04-14 12:36:16,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935153364] [2025-04-14 12:36:16,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:36:16,751 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2025-04-14 12:36:16,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:36:16,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2025-04-14 12:36:16,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=657, Invalid=11115, Unknown=0, NotChecked=0, Total=11772 [2025-04-14 12:36:16,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:36:16,753 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:36:16,753 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 4.706422018348624) internal successors, (513), 109 states have internal predecessors, (513), 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 12:36:16,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:36:16,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:36:16,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:36:16,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:36:16,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:36:16,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:36:16,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:36:16,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:36:16,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:36:16,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:36:16,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:36:16,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:36:16,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:36:16,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:36:16,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:36:16,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:36:16,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:36:16,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:36:16,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:36:25,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:36:25,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:36:25,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:36:25,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:36:25,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:36:25,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:36:25,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:36:25,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:36:25,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:36:25,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:36:25,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:36:25,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:36:25,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:36:25,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:36:25,335 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:36:25,335 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:36:25,335 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:36:25,335 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:36:25,335 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-14 12:36:25,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-04-14 12:36:25,536 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,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55 [2025-04-14 12:36:25,536 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:36:25,536 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:36:25,536 INFO L139 ounterexampleChecker]: Examining path program with hash 52301838, occurence #1 [2025-04-14 12:36:25,536 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:36:25,536 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:36:25,537 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:36:25,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1372124255, now seen corresponding path program 17 times [2025-04-14 12:36:25,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:36:25,537 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114055683] [2025-04-14 12:36:25,537 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:36:25,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:36:25,574 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 503 statements into 26 equivalence classes. [2025-04-14 12:36:26,268 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) and asserted 503 of 503 statements. [2025-04-14 12:36:26,268 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2025-04-14 12:36:26,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:36:31,888 INFO L134 CoverageAnalysis]: Checked inductivity of 5809 backedges. 4584 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:36:31,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:36:31,889 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114055683] [2025-04-14 12:36:31,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114055683] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:36:31,889 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354554771] [2025-04-14 12:36:31,889 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:36:31,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:36:31,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:36:31,890 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 12:36:31,891 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 12:36:32,130 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 503 statements into 26 equivalence classes. [2025-04-14 12:37:28,815 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) and asserted 503 of 503 statements. [2025-04-14 12:37:28,815 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2025-04-14 12:37:28,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:37:28,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 2270 conjuncts, 104 conjuncts are in the unsatisfiable core [2025-04-14 12:37:28,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:37:33,610 INFO L134 CoverageAnalysis]: Checked inductivity of 5809 backedges. 4584 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:37:33,611 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:37:37,651 INFO L134 CoverageAnalysis]: Checked inductivity of 5809 backedges. 4584 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:37:37,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354554771] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:37:37,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:37:37,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [102, 102, 102] total 254 [2025-04-14 12:37:37,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892515009] [2025-04-14 12:37:37,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:37:37,653 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 255 states [2025-04-14 12:37:37,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:37:37,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 255 interpolants. [2025-04-14 12:37:37,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14631, Invalid=50139, Unknown=0, NotChecked=0, Total=64770 [2025-04-14 12:37:37,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:37:37,660 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:37:37,660 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 255 states, 255 states have (on average 5.584313725490196) internal successors, (1424), 254 states have internal predecessors, (1424), 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 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:37:37,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:37:37,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:37:37,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:37:37,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-14 12:37:37,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:37:38,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:37:38,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:37:38,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:37:38,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:37:38,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:37:38,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:37:38,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:37:38,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:37:38,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:37:38,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:37:38,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:37:38,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:37:38,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:37:38,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:37:38,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:37:38,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:37:38,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:37:38,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:37:38,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-14 12:37:38,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:37:38,071 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 12:37:38,238 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:37:38,238 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:37:38,239 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:37:38,239 INFO L139 ounterexampleChecker]: Examining path program with hash 52301838, occurence #2 [2025-04-14 12:37:38,239 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:37:38,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:37:38,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:37:38,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 12:37:38,239 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:37:38,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 12:37:38,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:37:38,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 12:37:38,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:37:38,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-14 12:37:38,239 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:37:38,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 12:37:38,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:37:38,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 12:37:38,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:37:38,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 476 [2025-04-14 12:37:38,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:37:38,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 484 [2025-04-14 12:37:38,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:37:38,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 488 [2025-04-14 12:37:38,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:37:38,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 492 [2025-04-14 12:37:38,240 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:37:38,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 496 [2025-04-14 12:37:38,240 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:37:38,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 499 [2025-04-14 12:37:38,240 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:37:38,240 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 502 [2025-04-14 12:37:38,240 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:37:38,240 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:37:38,240 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:37:38,241 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:37:38,241 INFO L85 PathProgramCache]: Analyzing trace with hash -2090096481, now seen corresponding path program 18 times [2025-04-14 12:37:38,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:37:38,241 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196893198] [2025-04-14 12:37:38,241 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:37:38,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:37:38,273 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 505 statements into 27 equivalence classes. [2025-04-14 12:37:39,950 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) and asserted 505 of 505 statements. [2025-04-14 12:37:39,950 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2025-04-14 12:37:39,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:37:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5910 backedges. 4324 proven. 1586 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:37:45,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:37:45,994 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196893198] [2025-04-14 12:37:45,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196893198] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:37:45,994 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471582388] [2025-04-14 12:37:45,994 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:37:45,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:37:45,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:37:45,996 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:37:45,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-04-14 12:37:46,272 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 505 statements into 27 equivalence classes. [2025-04-14 12:39:39,902 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) and asserted 505 of 505 statements. [2025-04-14 12:39:39,903 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2025-04-14 12:39:39,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:39:39,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 2288 conjuncts, 107 conjuncts are in the unsatisfiable core [2025-04-14 12:39:39,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:39:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 5910 backedges. 4584 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:39:44,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:39:49,232 INFO L134 CoverageAnalysis]: Checked inductivity of 5910 backedges. 4584 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:39:49,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471582388] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:39:49,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:39:49,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 105, 105] total 261 [2025-04-14 12:39:49,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770889709] [2025-04-14 12:39:49,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:39:49,233 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 262 states [2025-04-14 12:39:49,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:39:49,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 262 interpolants. [2025-04-14 12:39:49,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15370, Invalid=53012, Unknown=0, NotChecked=0, Total=68382 [2025-04-14 12:39:49,239 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:39:49,239 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:39:49,239 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 262 states, 262 states have (on average 3.99618320610687) internal successors, (1047), 261 states have internal predecessors, (1047), 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 12:39:49,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:39:49,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:39:49,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:39:49,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:39:49,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:39:49,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:39:49,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:39:49,647 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:39:49,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:39:49,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-04-14 12:39:49,848 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:39:49,849 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:39:49,849 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:39:49,849 INFO L139 ounterexampleChecker]: Examining path program with hash 52301838, occurence #3 [2025-04-14 12:39:49,849 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:39:49,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:39:49,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:49,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 12:39:49,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:39:49,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-14 12:39:49,850 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:49,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-14 12:39:49,850 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:49,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 12:39:49,850 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:39:49,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 12:39:49,850 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:49,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 12:39:49,850 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:49,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2025-04-14 12:39:49,850 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:49,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 485 [2025-04-14 12:39:49,850 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:49,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 489 [2025-04-14 12:39:49,850 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:49,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 493 [2025-04-14 12:39:49,850 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:39:49,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-04-14 12:39:49,850 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:39:49,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 500 [2025-04-14 12:39:49,850 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:39:49,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 503 [2025-04-14 12:39:49,850 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:39:49,850 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:39:49,850 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:39:49,851 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:39:49,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2046173759, now seen corresponding path program 19 times [2025-04-14 12:39:49,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:39:49,851 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128835727] [2025-04-14 12:39:49,851 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:39:49,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:39:49,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 506 statements into 1 equivalence classes. [2025-04-14 12:39:49,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 506 of 506 statements. [2025-04-14 12:39:49,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:39:49,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:39:56,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5962 backedges. 1275 proven. 4687 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:39:56,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:39:56,050 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128835727] [2025-04-14 12:39:56,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128835727] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:39:56,050 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567316787] [2025-04-14 12:39:56,050 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:39:56,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:39:56,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:39:56,052 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:39:56,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-04-14 12:39:56,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 506 statements into 1 equivalence classes. [2025-04-14 12:39:56,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 506 of 506 statements. [2025-04-14 12:39:56,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:39:56,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:39:56,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 2297 conjuncts, 107 conjuncts are in the unsatisfiable core [2025-04-14 12:39:56,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:40:02,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5962 backedges. 1326 proven. 4636 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:40:02,353 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:40:06,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5962 backedges. 1378 proven. 4584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:40:06,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567316787] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:40:06,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:40:06,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 105, 105] total 261 [2025-04-14 12:40:06,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62472340] [2025-04-14 12:40:06,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:40:06,772 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 262 states [2025-04-14 12:40:06,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:40:06,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 262 interpolants. [2025-04-14 12:40:06,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15317, Invalid=53065, Unknown=0, NotChecked=0, Total=68382 [2025-04-14 12:40:06,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:40:06,778 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:40:06,778 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 262 states, 262 states have (on average 4.034351145038168) internal successors, (1057), 261 states have internal predecessors, (1057), 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 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:40:06,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:40:06,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-14 12:40:06,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:40:06,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:40:06,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:40:10,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:40:10,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:40:10,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:40:10,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:40:10,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2025-04-14 12:40:10,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-04-14 12:40:10,824 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:40:10,824 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:40:10,824 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:40:10,824 INFO L139 ounterexampleChecker]: Examining path program with hash 323658127, occurence #1 [2025-04-14 12:40:10,824 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:40:10,824 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:40:10,825 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:40:10,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1710426992, now seen corresponding path program 20 times [2025-04-14 12:40:10,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:40:10,825 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867955591] [2025-04-14 12:40:10,825 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:40:10,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:40:10,861 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 622 statements into 2 equivalence classes. [2025-04-14 12:40:10,999 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 622 of 622 statements. [2025-04-14 12:40:11,000 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:40:11,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:40:28,213 INFO L134 CoverageAnalysis]: Checked inductivity of 7858 backedges. 6166 proven. 1692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:40:28,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:40:28,213 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867955591] [2025-04-14 12:40:28,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867955591] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:40:28,214 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349624391] [2025-04-14 12:40:28,214 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:40:28,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:40:28,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:40:28,216 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:40:28,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-04-14 12:40:28,508 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 622 statements into 2 equivalence classes. [2025-04-14 12:40:28,698 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 622 of 622 statements. [2025-04-14 12:40:28,698 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:40:28,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:40:28,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 2732 conjuncts, 109 conjuncts are in the unsatisfiable core [2025-04-14 12:40:28,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:40:35,952 INFO L134 CoverageAnalysis]: Checked inductivity of 7858 backedges. 6396 proven. 1378 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-04-14 12:40:35,952 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:40:44,951 INFO L134 CoverageAnalysis]: Checked inductivity of 7858 backedges. 6396 proven. 1378 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-04-14 12:40:44,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349624391] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:40:44,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:40:44,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [186, 107, 107] total 396 [2025-04-14 12:40:44,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502552291] [2025-04-14 12:40:44,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:40:44,952 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 397 states [2025-04-14 12:40:44,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:40:44,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 397 interpolants. [2025-04-14 12:40:44,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24026, Invalid=133186, Unknown=0, NotChecked=0, Total=157212 [2025-04-14 12:40:44,965 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:40:44,966 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:40:44,966 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 397 states, 397 states have (on average 4.0327455919395465) internal successors, (1601), 396 states have internal predecessors, (1601), 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 12:40:44,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:40:44,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:40:44,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:40:44,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:40:44,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:40:44,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2025-04-14 12:40:44,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:40:46,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:40:46,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:40:46,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:40:46,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:40:46,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-14 12:40:46,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:40:46,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:40:46,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2025-04-14 12:40:46,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:40:46,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-04-14 12:40:46,218 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2025-04-14 12:40:46,218 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:40:46,218 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:40:46,219 INFO L139 ounterexampleChecker]: Examining path program with hash 323658127, occurence #2 [2025-04-14 12:40:46,219 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:40:46,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:40:46,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:46,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 12:40:46,219 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:40:46,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 12:40:46,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:46,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 12:40:46,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:46,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-14 12:40:46,219 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:40:46,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 12:40:46,219 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:46,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 12:40:46,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:40:46,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-04-14 12:40:46,229 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:40:46,229 INFO L85 PathProgramCache]: Analyzing trace with hash -360470951, now seen corresponding path program 1 times [2025-04-14 12:40:46,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:40:46,229 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550160731] [2025-04-14 12:40:46,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:40:46,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:40:46,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 498 statements into 1 equivalence classes. [2025-04-14 12:40:46,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 498 of 498 statements. [2025-04-14 12:40:46,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:40:46,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:40:52,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6709 backedges. 5200 proven. 1509 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:40:52,737 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:40:52,737 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550160731] [2025-04-14 12:40:52,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550160731] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:40:52,737 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [838647537] [2025-04-14 12:40:52,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:40:52,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:40:52,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 498 statements into 1 equivalence classes. [2025-04-14 12:40:52,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 498 of 498 statements. [2025-04-14 12:40:52,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:40:52,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:40:52,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 2261 conjuncts, 111 conjuncts are in the unsatisfiable core [2025-04-14 12:40:52,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:40:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 6709 backedges. 5278 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:40:58,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [838647537] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:40:58,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:40:58,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [108, 108] total 215 [2025-04-14 12:40:58,175 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:40:58,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 587 [2025-04-14 12:40:58,183 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:40:58,183 INFO L85 PathProgramCache]: Analyzing trace with hash -970146473, now seen corresponding path program 1 times [2025-04-14 12:40:58,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:40:58,183 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468621988] [2025-04-14 12:40:58,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:40:58,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:40:58,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 588 statements into 1 equivalence classes. [2025-04-14 12:40:58,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 588 of 588 statements. [2025-04-14 12:40:58,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:40:58,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:41:14,773 INFO L134 CoverageAnalysis]: Checked inductivity of 7905 backedges. 6166 proven. 1739 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:41:14,773 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:41:14,773 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468621988] [2025-04-14 12:41:14,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468621988] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:41:14,774 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [629966884] [2025-04-14 12:41:14,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:41:14,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:41:14,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 588 statements into 1 equivalence classes. [2025-04-14 12:41:14,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 588 of 588 statements. [2025-04-14 12:41:14,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:41:14,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:41:14,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 2594 conjuncts, 186 conjuncts are in the unsatisfiable core [2025-04-14 12:41:14,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:41:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 7905 backedges. 6474 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:41:33,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [629966884] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:41:33,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:41:33,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [183, 183] total 365 [2025-04-14 12:41:33,345 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:41:33,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 596 [2025-04-14 12:41:33,345 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:41:33,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 606 [2025-04-14 12:41:33,345 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:41:33,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 610 [2025-04-14 12:41:33,345 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:41:33,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 614 [2025-04-14 12:41:33,345 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:41:33,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 617 [2025-04-14 12:41:33,345 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:41:33,346 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 620 [2025-04-14 12:41:33,346 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:41:33,346 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:41:33,346 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:41:33,346 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:41:33,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1738326190, now seen corresponding path program 21 times [2025-04-14 12:41:33,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:41:33,346 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770204035] [2025-04-14 12:41:33,346 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:41:33,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:41:33,385 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 623 statements into 29 equivalence classes. [2025-04-14 12:41:37,450 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) and asserted 623 of 623 statements. [2025-04-14 12:41:37,451 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2025-04-14 12:41:37,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:41:54,884 INFO L134 CoverageAnalysis]: Checked inductivity of 7911 backedges. 6166 proven. 1745 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:41:54,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:41:54,884 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770204035] [2025-04-14 12:41:54,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770204035] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:41:54,884 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315416999] [2025-04-14 12:41:54,884 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:41:54,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:41:54,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:41:54,886 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:41:54,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-04-14 12:41:55,208 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 623 statements into 29 equivalence classes. [2025-04-14 12:42:51,219 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) and asserted 623 of 623 statements. [2025-04-14 12:42:51,219 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2025-04-14 12:42:51,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:51,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 2741 conjuncts, 119 conjuncts are in the unsatisfiable core [2025-04-14 12:42:51,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 7911 backedges. 6468 proven. 1431 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-04-14 12:42:59,516 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:43:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 7911 backedges. 6468 proven. 1431 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-04-14 12:43:09,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315416999] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:43:09,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:43:09,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [187, 117, 117] total 418 [2025-04-14 12:43:09,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309236500] [2025-04-14 12:43:09,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:43:09,869 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 419 states [2025-04-14 12:43:09,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:43:09,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 419 interpolants. [2025-04-14 12:43:09,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27841, Invalid=147301, Unknown=0, NotChecked=0, Total=175142 [2025-04-14 12:43:09,885 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:09,885 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:43:09,886 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 419 states, 419 states have (on average 4.16945107398568) internal successors, (1747), 418 states have internal predecessors, (1747), 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 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:43:09,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:10,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:10,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:43:10,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:43:10,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-14 12:43:10,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-04-14 12:43:11,074 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:43:11,075 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:43:11,075 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:43:11,075 INFO L139 ounterexampleChecker]: Examining path program with hash 323658127, occurence #3 [2025-04-14 12:43:11,075 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:43:11,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:43:11,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:11,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-14 12:43:11,076 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:11,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 12:43:11,076 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:11,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 12:43:11,076 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:11,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 12:43:11,076 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:11,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-14 12:43:11,076 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:11,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-04-14 12:43:11,076 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:11,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 506 [2025-04-14 12:43:11,084 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:11,084 INFO L85 PathProgramCache]: Analyzing trace with hash -625539969, now seen corresponding path program 1 times [2025-04-14 12:43:11,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:43:11,084 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98629752] [2025-04-14 12:43:11,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:11,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:11,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 507 statements into 1 equivalence classes. [2025-04-14 12:43:12,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 507 of 507 statements. [2025-04-14 12:43:12,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:12,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:43:12,565 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:43:12,565 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:43:12,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 596 [2025-04-14 12:43:12,578 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:12,579 INFO L85 PathProgramCache]: Analyzing trace with hash -875388419, now seen corresponding path program 1 times [2025-04-14 12:43:12,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:43:12,579 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573571920] [2025-04-14 12:43:12,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:12,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:12,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 597 statements into 1 equivalence classes. [2025-04-14 12:43:12,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 597 of 597 statements. [2025-04-14 12:43:12,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:12,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:21,894 INFO L134 CoverageAnalysis]: Checked inductivity of 8427 backedges. 6166 proven. 2261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:43:21,894 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:43:21,894 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573571920] [2025-04-14 12:43:21,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573571920] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:21,894 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [869223924] [2025-04-14 12:43:21,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:21,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:21,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 597 statements into 1 equivalence classes. [2025-04-14 12:43:22,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 597 of 597 statements. [2025-04-14 12:43:22,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:22,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:22,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 2675 conjuncts, 129 conjuncts are in the unsatisfiable core [2025-04-14 12:43:22,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:43:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 8427 backedges. 6474 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 12:43:29,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [869223924] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:29,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:43:29,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [127, 127] total 252 [2025-04-14 12:43:29,224 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:43:29,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 605 [2025-04-14 12:43:29,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:29,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 615 [2025-04-14 12:43:29,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:29,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 619 [2025-04-14 12:43:29,224 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:29,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 623 [2025-04-14 12:43:29,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:29,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 626 [2025-04-14 12:43:29,225 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:29,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 629 [2025-04-14 12:43:29,225 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:29,225 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:43:29,225 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:43:29,225 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:29,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1525602480, now seen corresponding path program 22 times [2025-04-14 12:43:29,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:43:29,225 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458064216] [2025-04-14 12:43:29,225 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:43:29,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:29,267 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 632 statements into 2 equivalence classes. [2025-04-14 12:43:29,314 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 305 of 632 statements. [2025-04-14 12:43:29,314 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 12:43:29,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8433 backedges. 34 proven. 737 refuted. 0 times theorem prover too weak. 7662 trivial. 0 not checked. [2025-04-14 12:43:31,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:43:31,519 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458064216] [2025-04-14 12:43:31,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458064216] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:31,519 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804913946] [2025-04-14 12:43:31,519 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:43:31,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:43:31,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:43:31,521 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:43:31,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-04-14 12:43:31,874 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 632 statements into 2 equivalence classes. [2025-04-14 12:43:31,947 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 305 of 632 statements. [2025-04-14 12:43:31,947 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 12:43:31,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:31,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 133 conjuncts are in the unsatisfiable core [2025-04-14 12:43:31,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:43:35,492 INFO L134 CoverageAnalysis]: Checked inductivity of 8433 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2025-04-14 12:43:35,492 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:43:36,147 INFO L134 CoverageAnalysis]: Checked inductivity of 8433 backedges. 34 proven. 737 refuted. 0 times theorem prover too weak. 7662 trivial. 0 not checked. [2025-04-14 12:43:36,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804913946] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:43:36,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:43:36,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 134, 11] total 145 [2025-04-14 12:43:36,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281323030] [2025-04-14 12:43:36,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:43:36,148 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2025-04-14 12:43:36,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:43:36,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2025-04-14 12:43:36,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1280, Invalid=19600, Unknown=0, NotChecked=0, Total=20880 [2025-04-14 12:43:36,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:36,151 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:43:36,151 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 4.8) internal successors, (696), 145 states have internal predecessors, (696), 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 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:43:36,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:43:36,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:43:36,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-14 12:43:36,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:43:36,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:43:36,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2025-04-14 12:43:36,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:43:36,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-14 12:43:36,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:43:52,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:43:52,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2025-04-14 12:43:52,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:43:52,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-14 12:43:52,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-14 12:43:52,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-04-14 12:43:53,083 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:43:53,083 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 12:43:53,083 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:43:53,084 INFO L139 ounterexampleChecker]: Examining path program with hash 1834130003, occurence #1 [2025-04-14 12:43:53,084 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:43:53,084 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:43:53,084 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:53,084 INFO L85 PathProgramCache]: Analyzing trace with hash 303183446, now seen corresponding path program 23 times [2025-04-14 12:43:53,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:43:53,084 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920326840] [2025-04-14 12:43:53,084 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:43:53,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:53,125 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 664 statements into 32 equivalence classes. [2025-04-14 12:43:54,421 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) and asserted 664 of 664 statements. [2025-04-14 12:43:54,421 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2025-04-14 12:43:54,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 9388 backedges. 7410 proven. 1953 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-04-14 12:44:04,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:44:04,136 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920326840] [2025-04-14 12:44:04,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920326840] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:04,136 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040227600] [2025-04-14 12:44:04,136 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:44:04,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:44:04,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:44:04,138 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:44:04,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-04-14 12:44:04,507 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 664 statements into 32 equivalence classes. Received shutdown request... [2025-04-14 12:46:14,815 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 12:46:14,830 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 12:46:14,834 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 12:46:15,847 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 12:46:15,848 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 0 [2025-04-14 12:46:16,016 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forcibly destroying the process [2025-04-14 12:46:16,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 137 [2025-04-14 12:46:16,043 WARN L301 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-04-14 12:46:16,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-04-14 12:46:16,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2025-04-14 12:46:16,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062964762] [2025-04-14 12:46:16,043 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-04-14 12:46:16,044 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2025-04-14 12:46:16,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:46:16,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2025-04-14 12:46:16,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4161, Invalid=12351, Unknown=0, NotChecked=0, Total=16512 [2025-04-14 12:46:16,046 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:46:16,047 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:46:16,047 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 4.775193798449612) internal successors, (616), 128 states have internal predecessors, (616), 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 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-14 12:46:16,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:46:16,048 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2025-04-14 12:46:16,048 WARN L610 AbstractCegarLoop]: Verification canceled: while executing Executor. [2025-04-14 12:46:16,048 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2025-04-14 12:46:16,048 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-04-14 12:46:16,048 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-04-14 12:46:16,050 INFO L422 BasicCegarLoop]: Path program histogram: [23, 2, 1] [2025-04-14 12:46:16,050 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT,TIMEOUT,TIMEOUT (2/3) [2025-04-14 12:46:16,051 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 12:46:16,051 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 12:46:16,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 12:46:16 BasicIcfg [2025-04-14 12:46:16,053 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 12:46:16,053 INFO L158 Benchmark]: Toolchain (without parser) took 833369.75ms. Allocated memory was 142.6MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 100.0MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 969.2MB. Max. memory is 8.0GB. [2025-04-14 12:46:16,053 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 12:46:16,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.21ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 83.6MB in the end (delta: 15.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-14 12:46:16,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.91ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 80.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 12:46:16,054 INFO L158 Benchmark]: Boogie Preprocessor took 34.91ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 78.8MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 12:46:16,054 INFO L158 Benchmark]: RCFGBuilder took 662.92ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 70.3MB in the end (delta: 8.5MB). Peak memory consumption was 61.3MB. Max. memory is 8.0GB. [2025-04-14 12:46:16,054 INFO L158 Benchmark]: TraceAbstraction took 832367.08ms. Allocated memory was 142.6MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 69.6MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 941.4MB. Max. memory is 8.0GB. [2025-04-14 12:46:16,055 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 259.21ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 83.6MB in the end (delta: 15.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.91ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 80.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.91ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 78.8MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 662.92ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 70.3MB in the end (delta: 8.5MB). Peak memory consumption was 61.3MB. Max. memory is 8.0GB. * TraceAbstraction took 832367.08ms. Allocated memory was 142.6MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 69.6MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 941.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8453, independent: 7976, independent conditional: 4179, independent unconditional: 3797, dependent: 477, dependent conditional: 437, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8031, independent: 7976, independent conditional: 4179, independent unconditional: 3797, dependent: 55, dependent conditional: 15, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8031, independent: 7976, independent conditional: 4179, independent unconditional: 3797, dependent: 55, dependent conditional: 15, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8031, independent: 7976, independent conditional: 4179, independent unconditional: 3797, dependent: 55, dependent conditional: 15, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8031, independent: 7976, independent conditional: 0, independent unconditional: 7976, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8031, independent: 7976, independent conditional: 0, independent unconditional: 7976, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3733, independent: 3693, independent conditional: 0, independent unconditional: 3693, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3733, independent: 3686, independent conditional: 0, independent unconditional: 3686, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 688, independent: 143, independent conditional: 0, independent unconditional: 143, dependent: 544, dependent conditional: 0, dependent unconditional: 544, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 8031, independent: 4283, independent conditional: 0, independent unconditional: 4283, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 3733, unknown conditional: 0, unknown unconditional: 3733] , Statistics on independence cache: Total cache size (in pairs): 3733, Positive cache size: 3693, Positive conditional cache size: 0, Positive unconditional cache size: 3693, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4194, Maximal queried relation: 0, Independence queries for same thread: 422, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 325, Number of trivial persistent sets: 19, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3837, independent: 3797, independent conditional: 0, independent unconditional: 3797, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8453, independent: 7976, independent conditional: 4179, independent unconditional: 3797, dependent: 477, dependent conditional: 437, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8031, independent: 7976, independent conditional: 4179, independent unconditional: 3797, dependent: 55, dependent conditional: 15, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8031, independent: 7976, independent conditional: 4179, independent unconditional: 3797, dependent: 55, dependent conditional: 15, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8031, independent: 7976, independent conditional: 4179, independent unconditional: 3797, dependent: 55, dependent conditional: 15, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8031, independent: 7976, independent conditional: 0, independent unconditional: 7976, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8031, independent: 7976, independent conditional: 0, independent unconditional: 7976, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3733, independent: 3693, independent conditional: 0, independent unconditional: 3693, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3733, independent: 3686, independent conditional: 0, independent unconditional: 3686, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 688, independent: 143, independent conditional: 0, independent unconditional: 143, dependent: 544, dependent conditional: 0, dependent unconditional: 544, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 8031, independent: 4283, independent conditional: 0, independent unconditional: 4283, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 3733, unknown conditional: 0, unknown unconditional: 3733] , Statistics on independence cache: Total cache size (in pairs): 3733, Positive cache size: 3693, Positive conditional cache size: 0, Positive unconditional cache size: 3693, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4194, Maximal queried relation: 0, Independence queries for same thread: 422 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 291490, independent: 242485, independent conditional: 236757, independent unconditional: 5728, dependent: 49005, dependent conditional: 48963, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 245330, independent: 242485, independent conditional: 236757, independent unconditional: 5728, dependent: 2845, dependent conditional: 2803, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 245330, independent: 242485, independent conditional: 236757, independent unconditional: 5728, dependent: 2845, dependent conditional: 2803, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 258912, independent: 242485, independent conditional: 236757, independent unconditional: 5728, dependent: 16427, dependent conditional: 16385, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 258912, independent: 242485, independent conditional: 66, independent unconditional: 242419, dependent: 16427, dependent conditional: 7769, dependent unconditional: 8658, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258912, independent: 242485, independent conditional: 66, independent unconditional: 242419, dependent: 16427, dependent conditional: 7769, dependent unconditional: 8658, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1955, independent: 1774, independent conditional: 8, independent unconditional: 1766, dependent: 181, dependent conditional: 173, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1955, independent: 1763, independent conditional: 0, independent unconditional: 1763, dependent: 192, dependent conditional: 0, dependent unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 192, independent: 11, independent conditional: 8, independent unconditional: 3, dependent: 181, dependent conditional: 173, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 192, independent: 11, independent conditional: 8, independent unconditional: 3, dependent: 181, dependent conditional: 173, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 855, independent: 38, independent conditional: 8, independent unconditional: 30, dependent: 816, dependent conditional: 738, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 28, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 258912, independent: 240711, independent conditional: 58, independent unconditional: 240653, dependent: 16246, dependent conditional: 7596, dependent unconditional: 8650, unknown: 1955, unknown conditional: 181, unknown unconditional: 1774] , Statistics on independence cache: Total cache size (in pairs): 5716, Positive cache size: 5495, Positive conditional cache size: 36, Positive unconditional cache size: 5459, Negative cache size: 221, Negative conditional cache size: 173, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 245307, Maximal queried relation: 17, Independence queries for same thread: 46160, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 5170, Number of trivial persistent sets: 5160, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5770, independent: 5728, independent conditional: 0, independent unconditional: 5728, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 291490, independent: 242485, independent conditional: 236757, independent unconditional: 5728, dependent: 49005, dependent conditional: 48963, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 245330, independent: 242485, independent conditional: 236757, independent unconditional: 5728, dependent: 2845, dependent conditional: 2803, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 245330, independent: 242485, independent conditional: 236757, independent unconditional: 5728, dependent: 2845, dependent conditional: 2803, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 258912, independent: 242485, independent conditional: 236757, independent unconditional: 5728, dependent: 16427, dependent conditional: 16385, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 258912, independent: 242485, independent conditional: 66, independent unconditional: 242419, dependent: 16427, dependent conditional: 7769, dependent unconditional: 8658, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258912, independent: 242485, independent conditional: 66, independent unconditional: 242419, dependent: 16427, dependent conditional: 7769, dependent unconditional: 8658, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1955, independent: 1774, independent conditional: 8, independent unconditional: 1766, dependent: 181, dependent conditional: 173, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1955, independent: 1763, independent conditional: 0, independent unconditional: 1763, dependent: 192, dependent conditional: 0, dependent unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 192, independent: 11, independent conditional: 8, independent unconditional: 3, dependent: 181, dependent conditional: 173, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 192, independent: 11, independent conditional: 8, independent unconditional: 3, dependent: 181, dependent conditional: 173, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 855, independent: 38, independent conditional: 8, independent unconditional: 30, dependent: 816, dependent conditional: 738, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 28, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 258912, independent: 240711, independent conditional: 58, independent unconditional: 240653, dependent: 16246, dependent conditional: 7596, dependent unconditional: 8650, unknown: 1955, unknown conditional: 181, unknown unconditional: 1774] , Statistics on independence cache: Total cache size (in pairs): 5716, Positive cache size: 5495, Positive conditional cache size: 36, Positive unconditional cache size: 5459, Negative cache size: 221, Negative conditional cache size: 173, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 245307, Maximal queried relation: 17, Independence queries for same thread: 46160 - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 168]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 169]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread4Thread1of1ForFork0 with 1 thread instances CFG has 13 procedures, 130 locations, 162 edges, 11 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 1.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 130 locations, 162 edges, 11 error locations. Started 1 CEGAR loops. OverallTime: 831.1s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 23, EmptinessCheckTime: 54.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1191, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.6s SsaConstructionTime, 307.6s SatisfiabilityAnalysisTime, 233.9s InterpolantComputationTime, 17580 NumberOfCodeBlocks, 15904 NumberOfCodeBlocksAsserted, 420 NumberOfCheckSat, 25765 ConstructedInterpolants, 0 QuantifiedInterpolants, 138622 SizeOfPredicates, 36 NumberOfNonLiveVariables, 32583 ConjunctsInSsa, 1562 ConjunctsInUnsatCore, 68 InterpolantComputations, 4 PerfectInterpolantSequences, 156347/224413 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 93716, ConditionCalculationTime [ms]: 397, ConditionCalculations: 151, QuantifiedConditions: 0, TraceChecks: 28, UnknownTraceChecks: 0, UnsatisfiedConditions: 12, ImperfectProofs: 16 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown