/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_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --preprocessor.replace.while.statements.and.if-then-else.statements false -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 16:06:23,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 16:06:24,007 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 16:06:24,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 16:06:24,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 16:06:24,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 16:06:24,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 16:06:24,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 16:06:24,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 16:06:24,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 16:06:24,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 16:06:24,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 16:06:24,030 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 16:06:24,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 16:06:24,031 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 16:06:24,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:06:24,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 16:06:24,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 16:06:24,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 16:06:24,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 16:06:24,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:06:24,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 16:06:24,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 16:06:24,032 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 16:06:24,032 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 16:06:24,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 16:06:24,032 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 16:06:24,032 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 16:06:24,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 16:06:24,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 16:06:24,032 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 16:06:24,032 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 16:06:24,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false [2025-04-14 16:06:24,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 16:06:24,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 16:06:24,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 16:06:24,243 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 16:06:24,244 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 16:06:24,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt3.wvr.c [2025-04-14 16:06:25,484 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5dad159/abbd8f6233c745d1b6812e0bd1e35e6d/FLAG59b625ee5 [2025-04-14 16:06:25,686 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 16:06:25,687 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt3.wvr.c [2025-04-14 16:06:25,696 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5dad159/abbd8f6233c745d1b6812e0bd1e35e6d/FLAG59b625ee5 [2025-04-14 16:06:26,536 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5dad159/abbd8f6233c745d1b6812e0bd1e35e6d [2025-04-14 16:06:26,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 16:06:26,539 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 16:06:26,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 16:06:26,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 16:06:26,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 16:06:26,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 04:06:26" (1/1) ... [2025-04-14 16:06:26,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e8f3345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:26, skipping insertion in model container [2025-04-14 16:06:26,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 04:06:26" (1/1) ... [2025-04-14 16:06:26,559 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 16:06:26,729 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt3.wvr.c[4345,4358] [2025-04-14 16:06:26,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 16:06:26,757 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 16:06:26,791 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt3.wvr.c[4345,4358] [2025-04-14 16:06:26,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 16:06:26,809 INFO L204 MainTranslator]: Completed translation [2025-04-14 16:06:26,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:26 WrapperNode [2025-04-14 16:06:26,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 16:06:26,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 16:06:26,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 16:06:26,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 16:06:26,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:26" (1/1) ... [2025-04-14 16:06:26,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:26" (1/1) ... [2025-04-14 16:06:26,844 INFO L138 Inliner]: procedures = 25, calls = 59, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 293 [2025-04-14 16:06:26,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 16:06:26,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 16:06:26,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 16:06:26,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 16:06:26,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:26" (1/1) ... [2025-04-14 16:06:26,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:26" (1/1) ... [2025-04-14 16:06:26,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:26" (1/1) ... [2025-04-14 16:06:26,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:26" (1/1) ... [2025-04-14 16:06:26,860 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:26" (1/1) ... [2025-04-14 16:06:26,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:26" (1/1) ... [2025-04-14 16:06:26,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:26" (1/1) ... [2025-04-14 16:06:26,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:26" (1/1) ... [2025-04-14 16:06:26,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 16:06:26,869 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-14 16:06:26,869 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-14 16:06:26,869 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-14 16:06:26,870 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:26" (1/1) ... [2025-04-14 16:06:26,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:06:26,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:26,897 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 16:06:26,900 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 16:06:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 16:06:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-14 16:06:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-14 16:06:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-14 16:06:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-14 16:06:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-14 16:06:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-14 16:06:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-14 16:06:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-14 16:06:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 16:06:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 16:06:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 16:06:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 16:06:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 16:06:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 16:06:26,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 16:06:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 16:06:26,919 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 16:06:26,993 INFO L256 CfgBuilder]: Building ICFG [2025-04-14 16:06:26,994 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 16:06:27,365 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 16:06:27,365 INFO L307 CfgBuilder]: Performing block encoding [2025-04-14 16:06:27,637 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 16:06:27,638 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 16:06:27,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 04:06:27 BoogieIcfgContainer [2025-04-14 16:06:27,639 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-14 16:06:27,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 16:06:27,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 16:06:27,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 16:06:27,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 04:06:26" (1/3) ... [2025-04-14 16:06:27,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1dce13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 04:06:27, skipping insertion in model container [2025-04-14 16:06:27,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:26" (2/3) ... [2025-04-14 16:06:27,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1dce13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 04:06:27, skipping insertion in model container [2025-04-14 16:06:27,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 04:06:27" (3/3) ... [2025-04-14 16:06:27,646 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt3.wvr.c [2025-04-14 16:06:27,657 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 16:06:27,658 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-buffer-mult-alt3.wvr.c that has 5 procedures, 45 locations, 46 edges, 1 initial locations, 6 loop locations, and 1 error locations. [2025-04-14 16:06:27,659 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 16:06:27,707 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-14 16:06:27,741 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 16:06:27,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 16:06:27,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:27,745 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 16:06:27,746 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 16:06:27,812 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 16:06:27,823 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 16:06:27,830 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;@5031af9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 16:06:27,830 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-14 16:06:28,924 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:06:28,924 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:28,925 INFO L139 ounterexampleChecker]: Examining path program with hash 1270949939, occurence #1 [2025-04-14 16:06:28,925 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:28,925 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:28,928 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:28,928 INFO L85 PathProgramCache]: Analyzing trace with hash 466854620, now seen corresponding path program 1 times [2025-04-14 16:06:28,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:28,934 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102473911] [2025-04-14 16:06:28,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:28,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:29,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-04-14 16:06:29,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-04-14 16:06:29,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:29,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:29,987 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 16:06:29,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:29,988 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102473911] [2025-04-14 16:06:29,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102473911] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:29,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:29,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:06:29,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613578826] [2025-04-14 16:06:29,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:29,995 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:06:29,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:30,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:06:30,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 16:06:30,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:30,013 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:30,014 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:30,015 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:30,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:30,183 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 16:06:30,184 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:06:30,184 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:30,184 INFO L139 ounterexampleChecker]: Examining path program with hash 1270949939, occurence #2 [2025-04-14 16:06:30,184 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:06:30,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 16:06:30,185 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:30,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 16:06:30,196 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:30,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 16:06:30,196 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:30,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 16:06:30,196 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:30,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 16:06:30,196 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:30,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-14 16:06:30,276 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:30,276 INFO L85 PathProgramCache]: Analyzing trace with hash 311457979, now seen corresponding path program 1 times [2025-04-14 16:06:30,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:30,276 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363899392] [2025-04-14 16:06:30,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:30,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:30,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-04-14 16:06:30,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-04-14 16:06:30,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:30,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:30,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:30,535 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:30,535 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363899392] [2025-04-14 16:06:30,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363899392] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:30,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:30,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 16:06:30,537 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 64. Constructing proof automaton... [2025-04-14 16:06:30,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:30,537 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-14 16:06:30,538 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:06:30,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-14 16:06:30,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:06:30,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 16:06:30,538 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:30,541 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:30,541 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 16:06:30,541 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:30,541 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:30,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:30,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:30,675 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 16:06:30,675 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:06:30,675 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:30,676 INFO L139 ounterexampleChecker]: Examining path program with hash 1270949939, occurence #3 [2025-04-14 16:06:30,676 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:06:30,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 16:06:30,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:30,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 16:06:30,676 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:30,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 16:06:30,676 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:30,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 16:06:30,676 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:30,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 16:06:30,676 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:30,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 16:06:30,731 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:30,731 INFO L85 PathProgramCache]: Analyzing trace with hash 192415925, now seen corresponding path program 1 times [2025-04-14 16:06:30,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:30,732 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738196261] [2025-04-14 16:06:30,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:30,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:30,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-04-14 16:06:30,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-04-14 16:06:30,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:30,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:30,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:30,925 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:30,925 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738196261] [2025-04-14 16:06:30,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738196261] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:30,928 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [447890809] [2025-04-14 16:06:30,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:30,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:30,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-04-14 16:06:30,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-04-14 16:06:30,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:30,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:30,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 16:06:30,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:31,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [447890809] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:31,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:31,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 16:06:31,107 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:31,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-04-14 16:06:31,143 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:31,144 INFO L85 PathProgramCache]: Analyzing trace with hash 531276234, now seen corresponding path program 1 times [2025-04-14 16:06:31,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:31,144 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028176897] [2025-04-14 16:06:31,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:31,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:31,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-04-14 16:06:31,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-04-14 16:06:31,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:31,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:31,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:31,401 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:31,401 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028176897] [2025-04-14 16:06:31,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028176897] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:31,401 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1047432675] [2025-04-14 16:06:31,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:31,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:31,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-04-14 16:06:31,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-04-14 16:06:31,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:31,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:31,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 16:06:31,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:31,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1047432675] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:31,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:31,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2025-04-14 16:06:31,564 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:31,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 16:06:31,642 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:31,642 INFO L85 PathProgramCache]: Analyzing trace with hash -710307980, now seen corresponding path program 1 times [2025-04-14 16:06:31,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:31,642 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101357061] [2025-04-14 16:06:31,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:31,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:31,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-04-14 16:06:31,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-04-14 16:06:31,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:31,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:31,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:31,868 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:31,868 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101357061] [2025-04-14 16:06:31,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101357061] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:31,868 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [845609546] [2025-04-14 16:06:31,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:31,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:31,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-04-14 16:06:31,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-04-14 16:06:31,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:31,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:31,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 16:06:31,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:32,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:32,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [845609546] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:32,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:32,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 16:06:32,026 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:32,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-04-14 16:06:32,069 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:32,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1158843337, now seen corresponding path program 1 times [2025-04-14 16:06:32,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:32,069 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238095238] [2025-04-14 16:06:32,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:32,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:32,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-04-14 16:06:32,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-04-14 16:06:32,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:32,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:32,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:32,323 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:32,323 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238095238] [2025-04-14 16:06:32,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238095238] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:32,323 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [695834549] [2025-04-14 16:06:32,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:32,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:32,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-04-14 16:06:32,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-04-14 16:06:32,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:32,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:32,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 16:06:32,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:32,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:32,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [695834549] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:32,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:32,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2025-04-14 16:06:32,512 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:32,512 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 96 is hopeless, skipping. [2025-04-14 16:06:32,512 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 97 is hopeless, skipping. [2025-04-14 16:06:32,512 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 106 is hopeless, skipping. [2025-04-14 16:06:32,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 16:06:32,555 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:32,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1553307213, now seen corresponding path program 1 times [2025-04-14 16:06:32,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:32,556 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148151975] [2025-04-14 16:06:32,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:32,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:32,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-04-14 16:06:32,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-04-14 16:06:32,605 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:32,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:32,919 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:32,919 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148151975] [2025-04-14 16:06:32,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148151975] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:32,919 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1391295511] [2025-04-14 16:06:32,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:32,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:32,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-04-14 16:06:32,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-04-14 16:06:32,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:32,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:32,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 16:06:32,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:33,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:33,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1391295511] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:33,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:33,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 16:06:33,134 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:33,134 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2025-04-14 16:06:33,189 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:33,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1614716398, now seen corresponding path program 1 times [2025-04-14 16:06:33,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:33,189 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058582184] [2025-04-14 16:06:33,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:33,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:33,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-04-14 16:06:33,232 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-04-14 16:06:33,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:33,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:33,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:33,457 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:33,457 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058582184] [2025-04-14 16:06:33,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058582184] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:33,457 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [618936957] [2025-04-14 16:06:33,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:33,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:33,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-04-14 16:06:33,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-04-14 16:06:33,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:33,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:33,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 16:06:33,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:33,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:33,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [618936957] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:33,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:33,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-04-14 16:06:33,693 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:33,693 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 144 is hopeless, skipping. [2025-04-14 16:06:33,693 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 148 is hopeless, skipping. [2025-04-14 16:06:33,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-04-14 16:06:33,694 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:33,694 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:06:33,694 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:33,694 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:33,694 INFO L85 PathProgramCache]: Analyzing trace with hash 851325221, now seen corresponding path program 1 times [2025-04-14 16:06:33,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:33,694 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887094379] [2025-04-14 16:06:33,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:33,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:33,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-04-14 16:06:33,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-04-14 16:06:33,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:33,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:34,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:34,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:34,095 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887094379] [2025-04-14 16:06:34,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887094379] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:34,095 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547044781] [2025-04-14 16:06:34,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:34,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:34,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:34,097 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 16:06:34,099 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 16:06:34,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-04-14 16:06:34,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-04-14 16:06:34,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:34,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:34,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 16:06:34,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:34,391 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:06:34,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:34,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547044781] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:06:34,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:06:34,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2025-04-14 16:06:34,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255606417] [2025-04-14 16:06:34,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:06:34,516 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-14 16:06:34,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:34,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-14 16:06:34,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-04-14 16:06:34,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,517 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:34,517 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 13 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:34,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:34,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:34,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,768 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:34,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:34,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:06:34,776 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 16:06:34,969 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,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2025-04-14 16:06:34,970 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:06:34,970 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:34,971 INFO L139 ounterexampleChecker]: Examining path program with hash 1270949939, occurence #4 [2025-04-14 16:06:34,971 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:06:34,971 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 16:06:34,971 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:34,971 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 16:06:34,971 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:34,971 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:06:34,971 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:34,971 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 16:06:34,971 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:34,971 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 16:06:34,972 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:34,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-14 16:06:35,020 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:35,021 INFO L85 PathProgramCache]: Analyzing trace with hash -787829282, now seen corresponding path program 1 times [2025-04-14 16:06:35,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:35,021 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076509370] [2025-04-14 16:06:35,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:35,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:35,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-14 16:06:35,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-14 16:06:35,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:35,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:35,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:35,206 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:35,206 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076509370] [2025-04-14 16:06:35,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076509370] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:35,206 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [4320718] [2025-04-14 16:06:35,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:35,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:35,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-14 16:06:35,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-14 16:06:35,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:35,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:35,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 16:06:35,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:35,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [4320718] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:35,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:35,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 16:06:35,365 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:35,366 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-04-14 16:06:35,396 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:35,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1151027099, now seen corresponding path program 1 times [2025-04-14 16:06:35,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:35,396 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129298963] [2025-04-14 16:06:35,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:35,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:35,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-04-14 16:06:35,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-04-14 16:06:35,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:35,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:35,632 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:35,632 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129298963] [2025-04-14 16:06:35,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129298963] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:35,632 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [789843099] [2025-04-14 16:06:35,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:35,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:35,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-04-14 16:06:35,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-04-14 16:06:35,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:35,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:35,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 16:06:35,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:35,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [789843099] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:35,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:35,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-04-14 16:06:35,869 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:35,869 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-14 16:06:35,936 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:35,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1322104291, now seen corresponding path program 1 times [2025-04-14 16:06:35,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:35,937 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944134041] [2025-04-14 16:06:35,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:35,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:35,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-04-14 16:06:35,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-04-14 16:06:35,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:35,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:36,120 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:36,120 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944134041] [2025-04-14 16:06:36,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944134041] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:36,120 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1837725551] [2025-04-14 16:06:36,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:36,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:36,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-04-14 16:06:36,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-04-14 16:06:36,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:36,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:36,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 16:06:36,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:36,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:36,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1837725551] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:36,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:36,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 16:06:36,322 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:36,322 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-14 16:06:36,377 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:36,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1149655072, now seen corresponding path program 1 times [2025-04-14 16:06:36,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:36,377 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520762606] [2025-04-14 16:06:36,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:36,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:36,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-04-14 16:06:36,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-04-14 16:06:36,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:36,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:36,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:36,585 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:36,585 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520762606] [2025-04-14 16:06:36,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520762606] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:36,585 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1149155624] [2025-04-14 16:06:36,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:36,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:36,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-04-14 16:06:36,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-04-14 16:06:36,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:36,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:36,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 16:06:36,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:36,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1149155624] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:36,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:36,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-04-14 16:06:36,785 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:36,785 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 98 is hopeless, skipping. [2025-04-14 16:06:36,785 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 99 is hopeless, skipping. [2025-04-14 16:06:36,785 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 108 is hopeless, skipping. [2025-04-14 16:06:36,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2025-04-14 16:06:36,823 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:36,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1248350606, now seen corresponding path program 1 times [2025-04-14 16:06:36,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:36,824 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487700325] [2025-04-14 16:06:36,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:36,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:36,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-04-14 16:06:36,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-04-14 16:06:36,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:36,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:37,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:37,105 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:37,105 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487700325] [2025-04-14 16:06:37,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487700325] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:37,105 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [636590504] [2025-04-14 16:06:37,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:37,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:37,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-04-14 16:06:37,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-04-14 16:06:37,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:37,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:37,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 16:06:37,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:37,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:37,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [636590504] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:37,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:37,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 16:06:37,343 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:37,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2025-04-14 16:06:37,392 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:37,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1742656389, now seen corresponding path program 1 times [2025-04-14 16:06:37,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:37,393 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754776349] [2025-04-14 16:06:37,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:37,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:37,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-04-14 16:06:37,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-04-14 16:06:37,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:37,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:37,660 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:37,660 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754776349] [2025-04-14 16:06:37,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754776349] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:37,660 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1411839053] [2025-04-14 16:06:37,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:37,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:37,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-04-14 16:06:37,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-04-14 16:06:37,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:37,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:37,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 16:06:37,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:37,957 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:37,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1411839053] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:37,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:37,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-04-14 16:06:37,958 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:37,958 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 146 is hopeless, skipping. [2025-04-14 16:06:37,958 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 150 is hopeless, skipping. [2025-04-14 16:06:37,958 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2025-04-14 16:06:37,958 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:37,958 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:06:37,958 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:37,958 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:37,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1283102844, now seen corresponding path program 2 times [2025-04-14 16:06:37,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:37,959 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476751468] [2025-04-14 16:06:37,959 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:06:37,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:37,979 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 166 statements into 2 equivalence classes. [2025-04-14 16:06:38,007 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 162 of 166 statements. [2025-04-14 16:06:38,008 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 16:06:38,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-14 16:06:38,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:38,253 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476751468] [2025-04-14 16:06:38,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476751468] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:38,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:38,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 16:06:38,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934055639] [2025-04-14 16:06:38,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:38,253 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:06:38,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:38,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:06:38,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-14 16:06:38,254 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:38,254 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:38,254 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 16:06:38,254 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:38,254 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:38,254 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:06:38,254 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:38,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:38,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:38,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:06:38,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:38,405 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable15,SelfDestructingSolverStorable26,SelfDestructingSolverStorable16,SelfDestructingSolverStorable27,SelfDestructingSolverStorable17 [2025-04-14 16:06:38,405 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:06:38,405 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:38,406 INFO L139 ounterexampleChecker]: Examining path program with hash 287407203, occurence #1 [2025-04-14 16:06:38,406 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:38,406 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:38,406 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:38,406 INFO L85 PathProgramCache]: Analyzing trace with hash 2141439827, now seen corresponding path program 3 times [2025-04-14 16:06:38,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:38,406 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591718923] [2025-04-14 16:06:38,406 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:06:38,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:38,428 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 205 statements into 4 equivalence classes. [2025-04-14 16:06:38,832 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 169 of 205 statements. [2025-04-14 16:06:38,832 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 16:06:38,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:39,433 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 16:06:39,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:39,433 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591718923] [2025-04-14 16:06:39,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591718923] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:39,434 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344687621] [2025-04-14 16:06:39,434 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:06:39,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:39,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:39,436 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 16:06:39,437 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 16:06:39,565 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 205 statements into 4 equivalence classes. [2025-04-14 16:06:39,653 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 169 of 205 statements. [2025-04-14 16:06:39,653 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 16:06:39,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:39,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 16:06:39,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:40,292 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 16:06:40,293 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:06:40,795 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 16:06:40,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344687621] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:06:40,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:06:40,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 42 [2025-04-14 16:06:40,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363546098] [2025-04-14 16:06:40,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:06:40,796 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-04-14 16:06:40,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:40,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-04-14 16:06:40,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=554, Invalid=1252, Unknown=0, NotChecked=0, Total=1806 [2025-04-14 16:06:40,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:40,798 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:40,798 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.279069767441861) internal successors, (356), 42 states have internal predecessors, (356), 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 16:06:40,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:40,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:40,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:06:40,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:40,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:41,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:41,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:41,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:06:41,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:41,022 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:41,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-14 16:06:41,222 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-04-14 16:06:41,222 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:06:41,222 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:41,223 INFO L139 ounterexampleChecker]: Examining path program with hash 287407203, occurence #2 [2025-04-14 16:06:41,223 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:06:41,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 16:06:41,223 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:41,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:06:41,223 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:41,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 16:06:41,223 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:41,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 16:06:41,223 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:41,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-14 16:06:41,223 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:41,223 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-04-14 16:06:41,252 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:41,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1954309298, now seen corresponding path program 1 times [2025-04-14 16:06:41,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:41,252 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954833105] [2025-04-14 16:06:41,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:41,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:41,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-04-14 16:06:41,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-04-14 16:06:41,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:41,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:41,501 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-04-14 16:06:41,501 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:41,501 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954833105] [2025-04-14 16:06:41,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954833105] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:41,501 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1736427178] [2025-04-14 16:06:41,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:41,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:41,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-04-14 16:06:41,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-04-14 16:06:41,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:41,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:41,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 16:06:41,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:41,733 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-04-14 16:06:41,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1736427178] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:41,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:41,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-04-14 16:06:41,733 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:41,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-04-14 16:06:41,791 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:41,791 INFO L85 PathProgramCache]: Analyzing trace with hash -454049254, now seen corresponding path program 1 times [2025-04-14 16:06:41,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:41,791 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407390935] [2025-04-14 16:06:41,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:41,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:41,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-04-14 16:06:41,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-04-14 16:06:41,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:41,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:42,181 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 30 proven. 34 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:42,181 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:42,181 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407390935] [2025-04-14 16:06:42,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407390935] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:42,181 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [624448023] [2025-04-14 16:06:42,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:42,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:42,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-04-14 16:06:42,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-04-14 16:06:42,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:42,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:42,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 16:06:42,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:42,666 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 43 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:42,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [624448023] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:42,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:42,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2025-04-14 16:06:42,667 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:42,667 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 16:06:42,702 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:42,702 INFO L85 PathProgramCache]: Analyzing trace with hash -749376787, now seen corresponding path program 1 times [2025-04-14 16:06:42,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:42,703 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852015014] [2025-04-14 16:06:42,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:42,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:42,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-04-14 16:06:42,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-04-14 16:06:42,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:42,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-04-14 16:06:42,963 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:42,963 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852015014] [2025-04-14 16:06:42,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852015014] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:42,963 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [486129677] [2025-04-14 16:06:42,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:42,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:42,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-04-14 16:06:43,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-04-14 16:06:43,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:43,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:43,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 16:06:43,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:43,197 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-04-14 16:06:43,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [486129677] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:43,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:43,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-04-14 16:06:43,197 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:43,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 136 [2025-04-14 16:06:43,231 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:43,231 INFO L85 PathProgramCache]: Analyzing trace with hash -382341723, now seen corresponding path program 1 times [2025-04-14 16:06:43,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:43,231 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572883331] [2025-04-14 16:06:43,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:43,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:43,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-04-14 16:06:43,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-04-14 16:06:43,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:43,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:43,536 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-04-14 16:06:43,536 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:43,536 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572883331] [2025-04-14 16:06:43,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572883331] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:43,536 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1147661387] [2025-04-14 16:06:43,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:43,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:43,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-04-14 16:06:43,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-04-14 16:06:43,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:43,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:43,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 16:06:43,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:43,765 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-04-14 16:06:43,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1147661387] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:43,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:43,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-04-14 16:06:43,766 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:43,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-04-14 16:06:43,813 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:43,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1581075547, now seen corresponding path program 1 times [2025-04-14 16:06:43,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:43,813 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163796296] [2025-04-14 16:06:43,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:43,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:43,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-04-14 16:06:43,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-04-14 16:06:43,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:43,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 15 proven. 50 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:44,245 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:44,245 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163796296] [2025-04-14 16:06:44,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163796296] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:44,245 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1928886241] [2025-04-14 16:06:44,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:44,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:44,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-04-14 16:06:44,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-04-14 16:06:44,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:44,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:44,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 16:06:44,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:44,746 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 44 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 16:06:44,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1928886241] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:44,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:44,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2025-04-14 16:06:44,747 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:44,747 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 175 is hopeless, skipping. [2025-04-14 16:06:44,747 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 184 is hopeless, skipping. [2025-04-14 16:06:44,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2025-04-14 16:06:44,747 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:44,747 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:06:44,747 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:44,747 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:44,747 INFO L85 PathProgramCache]: Analyzing trace with hash -783121709, now seen corresponding path program 4 times [2025-04-14 16:06:44,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:44,748 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608714690] [2025-04-14 16:06:44,748 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:06:44,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:44,774 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 209 statements into 2 equivalence classes. [2025-04-14 16:06:44,825 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 209 of 209 statements. [2025-04-14 16:06:44,826 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:06:44,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:45,360 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-04-14 16:06:45,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:45,360 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608714690] [2025-04-14 16:06:45,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608714690] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:45,360 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115842393] [2025-04-14 16:06:45,361 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:06:45,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:45,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:45,362 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 16:06:45,364 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 16:06:45,506 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 209 statements into 2 equivalence classes. [2025-04-14 16:06:45,594 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 209 of 209 statements. [2025-04-14 16:06:45,594 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:06:45,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:45,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 16:06:45,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:46,059 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 44 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-14 16:06:46,059 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:06:46,391 INFO L325 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-04-14 16:06:46,392 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2025-04-14 16:06:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-14 16:06:46,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115842393] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:06:46,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:06:46,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 10, 10] total 21 [2025-04-14 16:06:46,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964834442] [2025-04-14 16:06:46,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:06:46,455 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-04-14 16:06:46,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:46,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-04-14 16:06:46,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2025-04-14 16:06:46,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:46,456 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:46,456 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 9.476190476190476) internal successors, (199), 21 states have internal predecessors, (199), 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 16:06:46,456 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:46,456 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:46,456 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:06:46,456 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:46,456 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:46,456 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:46,732 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:46,732 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:46,732 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:06:46,732 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:46,732 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:46,732 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:46,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-14 16:06:46,937 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-04-14 16:06:46,937 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:06:46,937 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:46,937 INFO L139 ounterexampleChecker]: Examining path program with hash 18887100, occurence #1 [2025-04-14 16:06:46,937 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:46,937 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:46,937 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:46,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1974098494, now seen corresponding path program 5 times [2025-04-14 16:06:46,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:46,938 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020598538] [2025-04-14 16:06:46,938 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:06:46,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:46,957 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 120 statements into 5 equivalence classes. [2025-04-14 16:06:47,019 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 120 of 120 statements. [2025-04-14 16:06:47,019 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-04-14 16:06:47,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:47,331 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 37 proven. 33 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-14 16:06:47,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:47,331 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020598538] [2025-04-14 16:06:47,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020598538] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:47,331 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679109186] [2025-04-14 16:06:47,331 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:06:47,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:47,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:47,333 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 16:06:47,334 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 16:06:47,468 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 120 statements into 5 equivalence classes. [2025-04-14 16:06:47,620 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 120 of 120 statements. [2025-04-14 16:06:47,620 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-04-14 16:06:47,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:47,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-14 16:06:47,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:47,885 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-14 16:06:47,885 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:06:48,107 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-14 16:06:48,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679109186] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:06:48,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:06:48,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 34 [2025-04-14 16:06:48,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145619369] [2025-04-14 16:06:48,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:06:48,108 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-04-14 16:06:48,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:48,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-04-14 16:06:48,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=849, Unknown=0, NotChecked=0, Total=1122 [2025-04-14 16:06:48,109 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:48,109 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:48,109 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.588235294117647) internal successors, (258), 34 states have internal predecessors, (258), 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 16:06:48,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:06:48,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:48,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:48,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:48,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:06:48,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:48,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:48,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:06:48,261 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 16:06:48,454 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:48,454 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:06:48,454 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:48,454 INFO L139 ounterexampleChecker]: Examining path program with hash 18887100, occurence #2 [2025-04-14 16:06:48,454 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:06:48,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 16:06:48,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:48,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 16:06:48,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:48,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 16:06:48,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:48,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-14 16:06:48,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:48,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 16:06:48,455 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:48,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-04-14 16:06:48,455 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:48,455 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:06:48,455 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:48,455 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:48,455 INFO L85 PathProgramCache]: Analyzing trace with hash -2119701090, now seen corresponding path program 6 times [2025-04-14 16:06:48,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:48,455 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733981430] [2025-04-14 16:06:48,455 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:06:48,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:48,470 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 122 statements into 5 equivalence classes. [2025-04-14 16:06:48,578 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 122 of 122 statements. [2025-04-14 16:06:48,578 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 16:06:48,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:49,371 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-04-14 16:06:49,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:49,371 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733981430] [2025-04-14 16:06:49,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733981430] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:49,371 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299129401] [2025-04-14 16:06:49,371 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:06:49,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:49,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:49,374 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 16:06:49,375 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 16:06:49,527 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 122 statements into 5 equivalence classes. [2025-04-14 16:06:49,644 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 122 of 122 statements. [2025-04-14 16:06:49,644 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 16:06:49,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:49,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-14 16:06:49,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:50,033 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-14 16:06:50,033 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:06:50,423 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 30 proven. 51 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-14 16:06:50,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299129401] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:06:50,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:06:50,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 17] total 44 [2025-04-14 16:06:50,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94669109] [2025-04-14 16:06:50,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:06:50,423 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-04-14 16:06:50,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:50,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-04-14 16:06:50,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=1606, Unknown=0, NotChecked=0, Total=1892 [2025-04-14 16:06:50,425 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:50,425 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:50,425 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 6.0) internal successors, (264), 44 states have internal predecessors, (264), 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 16:06:50,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:50,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:50,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:06:50,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:50,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:50,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:50,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:06:50,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:51,039 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:51,039 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:51,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:06:51,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:51,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:51,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:51,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:06:51,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:06:51,048 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 16:06:51,240 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:51,240 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:06:51,240 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:51,241 INFO L139 ounterexampleChecker]: Examining path program with hash 1522445373, occurence #1 [2025-04-14 16:06:51,241 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:51,241 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:51,241 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:51,241 INFO L85 PathProgramCache]: Analyzing trace with hash -657809696, now seen corresponding path program 7 times [2025-04-14 16:06:51,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:51,241 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039276174] [2025-04-14 16:06:51,241 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:06:51,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:51,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-04-14 16:06:51,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-04-14 16:06:51,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:51,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 16:06:51,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:51,408 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039276174] [2025-04-14 16:06:51,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039276174] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:51,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:51,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 16:06:51,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159401707] [2025-04-14 16:06:51,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:51,409 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 16:06:51,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:51,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 16:06:51,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-04-14 16:06:51,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:51,410 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:51,410 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:51,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:51,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:51,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:06:51,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:51,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:51,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:51,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:06:51,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:06:51,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:51,842 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:51,842 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:51,842 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:06:51,842 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:51,842 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:51,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:51,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:06:51,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:06:51,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:51,843 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2025-04-14 16:06:51,843 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:06:51,843 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:51,843 INFO L139 ounterexampleChecker]: Examining path program with hash 1471291144, occurence #1 [2025-04-14 16:06:51,843 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:51,843 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:51,843 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:51,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1594631110, now seen corresponding path program 8 times [2025-04-14 16:06:51,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:51,844 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311854246] [2025-04-14 16:06:51,844 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:06:51,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:51,856 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 70 statements into 2 equivalence classes. [2025-04-14 16:06:52,062 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 70 of 70 statements. [2025-04-14 16:06:52,062 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:06:52,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-14 16:06:57,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:57,884 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311854246] [2025-04-14 16:06:57,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311854246] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:57,884 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759368992] [2025-04-14 16:06:57,884 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:06:57,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:57,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:57,886 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 16:06:57,887 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 16:06:58,030 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 70 statements into 2 equivalence classes. [2025-04-14 16:06:58,070 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 70 of 70 statements. [2025-04-14 16:06:58,070 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:06:58,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:58,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 60 conjuncts are in the unsatisfiable core [2025-04-14 16:06:58,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:59,332 INFO L325 Elim1Store]: treesize reduction 9, result has 85.7 percent of original size [2025-04-14 16:06:59,333 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 116 treesize of output 75 [2025-04-14 16:06:59,346 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 16:06:59,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:07:00,474 INFO L325 Elim1Store]: treesize reduction 30, result has 90.9 percent of original size [2025-04-14 16:07:00,474 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 95 treesize of output 325 [2025-04-14 16:07:01,711 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-14 16:07:01,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759368992] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:07:01,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:07:01,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 20, 14] total 57 [2025-04-14 16:07:01,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790987719] [2025-04-14 16:07:01,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:07:01,712 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2025-04-14 16:07:01,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:07:01,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2025-04-14 16:07:01,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=2995, Unknown=0, NotChecked=0, Total=3306 [2025-04-14 16:07:01,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:01,713 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:01,713 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 3.206896551724138) internal successors, (186), 57 states have internal predecessors, (186), 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 16:07:01,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:01,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:01,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:01,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:01,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:01,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:01,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:01,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 16:07:01,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:01,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:04,820 WARN L330 ript$VariableManager]: TermVariable v_subst_26 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:04,821 WARN L330 ript$VariableManager]: TermVariable v_subst_25 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:04,821 WARN L330 ript$VariableManager]: TermVariable v_subst_24 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:04,821 WARN L330 ript$VariableManager]: TermVariable v_subst_23 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:04,821 WARN L330 ript$VariableManager]: TermVariable v_subst_28 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:04,821 WARN L330 ript$VariableManager]: TermVariable v_subst_27 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:04,922 WARN L330 ript$VariableManager]: TermVariable v_subst_34 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:04,923 WARN L330 ript$VariableManager]: TermVariable v_subst_29 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:04,923 WARN L330 ript$VariableManager]: TermVariable v_subst_33 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:04,923 WARN L330 ript$VariableManager]: TermVariable v_subst_32 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:04,923 WARN L330 ript$VariableManager]: TermVariable v_subst_31 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:04,923 WARN L330 ript$VariableManager]: TermVariable v_subst_30 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:05,927 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:05,927 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:05,927 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:05,927 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:05,927 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:05,927 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:05,927 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:05,927 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:05,927 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:05,928 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:05,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-14 16:07:06,128 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:07:06,128 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:07:06,128 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:07:06,129 INFO L139 ounterexampleChecker]: Examining path program with hash 124122829, occurence #1 [2025-04-14 16:07:06,129 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:07:06,129 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:07:06,129 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:06,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1281073938, now seen corresponding path program 9 times [2025-04-14 16:07:06,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:07:06,129 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416332491] [2025-04-14 16:07:06,129 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:07:06,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:06,151 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 191 statements into 8 equivalence classes. [2025-04-14 16:07:06,404 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 152 of 191 statements. [2025-04-14 16:07:06,404 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 16:07:06,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 108 proven. 224 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-04-14 16:07:07,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:07:07,108 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416332491] [2025-04-14 16:07:07,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416332491] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:07,108 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077735001] [2025-04-14 16:07:07,108 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:07:07,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:07:07,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:07:07,111 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 16:07:07,112 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 16:07:07,287 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 191 statements into 8 equivalence classes. [2025-04-14 16:07:07,473 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 152 of 191 statements. [2025-04-14 16:07:07,474 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 16:07:07,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:07,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-14 16:07:07,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:07:07,968 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 304 proven. 28 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-04-14 16:07:07,968 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:07:08,437 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 100 proven. 232 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-04-14 16:07:08,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077735001] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:07:08,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:07:08,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 50 [2025-04-14 16:07:08,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527080371] [2025-04-14 16:07:08,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:07:08,438 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-04-14 16:07:08,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:07:08,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-04-14 16:07:08,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=509, Invalid=1941, Unknown=0, NotChecked=0, Total=2450 [2025-04-14 16:07:08,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:08,439 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:08,440 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 6.68) internal successors, (334), 50 states have internal predecessors, (334), 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 16:07:08,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:08,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:08,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:08,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:08,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:08,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:08,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:08,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:08,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:08,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:08,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:08,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:08,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:08,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:08,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:08,704 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:08,704 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:08,704 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:08,704 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:08,704 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:08,704 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:08,704 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:08,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-14 16:07:08,908 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,SelfDestructingSolverStorable44 [2025-04-14 16:07:08,908 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:07:08,908 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:07:08,908 INFO L139 ounterexampleChecker]: Examining path program with hash 124122829, occurence #2 [2025-04-14 16:07:08,908 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:07:08,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 16:07:08,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:07:08,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 16:07:08,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:08,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 16:07:08,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:08,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 16:07:08,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:08,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 16:07:08,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:08,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-04-14 16:07:08,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:08,909 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:07:08,909 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:07:08,909 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:08,909 INFO L85 PathProgramCache]: Analyzing trace with hash 572746085, now seen corresponding path program 10 times [2025-04-14 16:07:08,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:07:08,909 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261511247] [2025-04-14 16:07:08,909 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:07:08,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:08,931 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 192 statements into 2 equivalence classes. [2025-04-14 16:07:08,971 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 192 of 192 statements. [2025-04-14 16:07:08,971 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:07:08,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:09,739 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 293 proven. 81 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-04-14 16:07:09,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:07:09,739 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261511247] [2025-04-14 16:07:09,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261511247] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:09,739 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093164300] [2025-04-14 16:07:09,739 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:07:09,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:07:09,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:07:09,741 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 16:07:09,742 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 16:07:09,909 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 192 statements into 2 equivalence classes. [2025-04-14 16:07:09,981 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 192 of 192 statements. [2025-04-14 16:07:09,981 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:07:09,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:09,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-04-14 16:07:09,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:07:10,151 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2025-04-14 16:07:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 291 proven. 71 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-14 16:07:10,508 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:07:10,804 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2025-04-14 16:07:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 299 proven. 63 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-14 16:07:11,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093164300] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:07:11,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:07:11,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 19] total 55 [2025-04-14 16:07:11,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786929635] [2025-04-14 16:07:11,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:07:11,017 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-04-14 16:07:11,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:07:11,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-04-14 16:07:11,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=532, Invalid=2548, Unknown=0, NotChecked=0, Total=3080 [2025-04-14 16:07:11,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:11,019 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:11,019 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 7.571428571428571) internal successors, (424), 55 states have internal predecessors, (424), 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 16:07:11,019 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:11,019 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:11,019 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:11,019 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:11,019 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:11,019 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:11,019 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:11,019 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:11,019 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:11,019 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:11,019 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:11,019 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:11,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:11,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:11,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:11,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:11,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:11,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:11,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:11,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:11,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:11,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:11,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:11,330 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:11,337 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 16:07:11,530 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-04-14 16:07:11,531 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:07:11,531 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:07:11,531 INFO L139 ounterexampleChecker]: Examining path program with hash 124122829, occurence #3 [2025-04-14 16:07:11,531 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:07:11,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 16:07:11,531 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:07:11,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 16:07:11,531 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:11,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-14 16:07:11,531 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:11,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 16:07:11,531 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:11,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 16:07:11,531 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:11,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2025-04-14 16:07:11,531 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:11,531 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:07:11,531 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:07:11,532 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:11,532 INFO L85 PathProgramCache]: Analyzing trace with hash -355372553, now seen corresponding path program 11 times [2025-04-14 16:07:11,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:07:11,532 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201132651] [2025-04-14 16:07:11,532 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:07:11,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:11,553 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 193 statements into 8 equivalence classes. [2025-04-14 16:07:11,687 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 193 of 193 statements. [2025-04-14 16:07:11,687 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-14 16:07:11,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:12,462 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 271 proven. 112 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-14 16:07:12,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:07:12,462 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201132651] [2025-04-14 16:07:12,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201132651] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:12,462 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601087230] [2025-04-14 16:07:12,462 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:07:12,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:07:12,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:07:12,464 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 16:07:12,465 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 16:07:12,644 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 193 statements into 8 equivalence classes. [2025-04-14 16:07:14,239 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 193 of 193 statements. [2025-04-14 16:07:14,239 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-14 16:07:14,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:14,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-14 16:07:14,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:07:14,733 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 261 proven. 107 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-04-14 16:07:14,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:07:15,252 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 183 proven. 185 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-04-14 16:07:15,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601087230] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:07:15,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:07:15,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 57 [2025-04-14 16:07:15,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692684753] [2025-04-14 16:07:15,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:07:15,253 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2025-04-14 16:07:15,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:07:15,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-04-14 16:07:15,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=448, Invalid=2744, Unknown=0, NotChecked=0, Total=3192 [2025-04-14 16:07:15,254 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:15,254 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:15,254 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 7.43859649122807) internal successors, (424), 57 states have internal predecessors, (424), 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 16:07:15,254 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:15,254 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:15,254 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:15,254 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:15,254 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:15,254 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:15,254 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:15,254 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:15,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:15,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:15,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:15,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:15,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:15,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:15,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:15,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:15,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:15,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:15,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:15,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:15,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:15,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:15,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:15,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:15,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:15,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:15,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-14 16:07:15,675 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,SelfDestructingSolverStorable46 [2025-04-14 16:07:15,675 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:07:15,675 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:07:15,676 INFO L139 ounterexampleChecker]: Examining path program with hash 124122829, occurence #4 [2025-04-14 16:07:15,676 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:07:15,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 16:07:15,676 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:07:15,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 16:07:15,676 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:15,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 16:07:15,676 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:15,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 16:07:15,676 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:15,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 16:07:15,676 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:15,676 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-04-14 16:07:15,676 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:15,676 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:07:15,676 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:07:15,676 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:15,677 INFO L85 PathProgramCache]: Analyzing trace with hash 635904398, now seen corresponding path program 12 times [2025-04-14 16:07:15,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:07:15,677 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944790470] [2025-04-14 16:07:15,677 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:07:15,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:15,701 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 195 statements into 8 equivalence classes. [2025-04-14 16:07:15,897 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 195 of 195 statements. [2025-04-14 16:07:15,897 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-14 16:07:15,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 293 proven. 98 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-04-14 16:07:16,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:07:16,669 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944790470] [2025-04-14 16:07:16,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944790470] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:16,669 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975206935] [2025-04-14 16:07:16,669 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:07:16,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:07:16,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:07:16,671 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 16:07:16,673 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 16:07:16,860 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 195 statements into 8 equivalence classes. [2025-04-14 16:07:17,473 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 195 of 195 statements. [2025-04-14 16:07:17,473 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-14 16:07:17,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:17,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-14 16:07:17,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:07:18,046 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 347 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-04-14 16:07:18,047 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:07:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 211 proven. 181 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-04-14 16:07:18,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975206935] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:07:18,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:07:18,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 21] total 61 [2025-04-14 16:07:18,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672936008] [2025-04-14 16:07:18,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:07:18,609 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-04-14 16:07:18,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:07:18,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-04-14 16:07:18,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=685, Invalid=3097, Unknown=0, NotChecked=0, Total=3782 [2025-04-14 16:07:18,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:18,610 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:18,610 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 7.32258064516129) internal successors, (454), 61 states have internal predecessors, (454), 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 16:07:18,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:18,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:18,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:18,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:18,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:18,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:18,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:18,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:18,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:18,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:18,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:18,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:18,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:18,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:18,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:18,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:18,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:18,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:18,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:18,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:18,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:18,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:18,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:18,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:18,982 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:18,982 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:18,982 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:18,982 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:18,991 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 16:07:19,182 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,SelfDestructingSolverStorable47 [2025-04-14 16:07:19,183 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:07:19,183 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:07:19,183 INFO L139 ounterexampleChecker]: Examining path program with hash 124122829, occurence #5 [2025-04-14 16:07:19,183 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:07:19,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:07:19,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:07:19,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 16:07:19,183 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:19,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 16:07:19,183 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:19,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 16:07:19,183 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:19,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 16:07:19,183 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:19,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-04-14 16:07:19,183 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:19,183 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:07:19,183 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:07:19,184 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:19,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2053011388, now seen corresponding path program 13 times [2025-04-14 16:07:19,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:07:19,184 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447478601] [2025-04-14 16:07:19,185 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:07:19,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:19,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-04-14 16:07:19,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-04-14 16:07:19,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:07:19,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 262 proven. 129 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-04-14 16:07:19,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:07:19,830 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447478601] [2025-04-14 16:07:19,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447478601] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:19,830 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379594633] [2025-04-14 16:07:19,830 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:07:19,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:07:19,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:07:19,832 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 16:07:19,832 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 16:07:20,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-04-14 16:07:20,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-04-14 16:07:20,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:07:20,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:20,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-14 16:07:20,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:07:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 346 proven. 45 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-04-14 16:07:20,679 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:07:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 250 proven. 141 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-04-14 16:07:21,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379594633] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:07:21,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:07:21,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 60 [2025-04-14 16:07:21,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81671661] [2025-04-14 16:07:21,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:07:21,231 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2025-04-14 16:07:21,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:07:21,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2025-04-14 16:07:21,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=770, Invalid=2770, Unknown=0, NotChecked=0, Total=3540 [2025-04-14 16:07:21,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:21,236 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:21,236 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 7.033333333333333) internal successors, (422), 60 states have internal predecessors, (422), 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 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:21,236 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:21,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:21,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:21,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:21,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:21,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:21,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:21,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:21,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:21,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:21,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:21,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:21,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:21,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:21,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:21,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:21,399 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 16:07:21,591 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,SelfDestructingSolverStorable48 [2025-04-14 16:07:21,592 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:07:21,592 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:07:21,592 INFO L139 ounterexampleChecker]: Examining path program with hash 124122829, occurence #6 [2025-04-14 16:07:21,592 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:07:21,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:07:21,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:07:21,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-14 16:07:21,592 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:21,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 16:07:21,592 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:21,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 16:07:21,592 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:21,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 16:07:21,592 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:21,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-04-14 16:07:21,593 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:21,593 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:07:21,593 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:07:21,593 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:21,593 INFO L85 PathProgramCache]: Analyzing trace with hash 850176087, now seen corresponding path program 14 times [2025-04-14 16:07:21,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:07:21,593 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208862873] [2025-04-14 16:07:21,593 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:07:21,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:21,628 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 197 statements into 2 equivalence classes. [2025-04-14 16:07:21,678 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 197 of 197 statements. [2025-04-14 16:07:21,678 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:07:21,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:22,573 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 263 proven. 139 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 16:07:22,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:07:22,573 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208862873] [2025-04-14 16:07:22,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208862873] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:22,573 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939073368] [2025-04-14 16:07:22,573 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:07:22,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:07:22,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:07:22,575 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 16:07:22,576 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 16:07:22,777 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 197 statements into 2 equivalence classes. [2025-04-14 16:07:22,856 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 197 of 197 statements. [2025-04-14 16:07:22,856 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:07:22,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:22,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-14 16:07:22,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:07:23,566 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 347 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 16:07:23,566 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:07:24,217 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 217 proven. 185 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 16:07:24,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939073368] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:07:24,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:07:24,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 72 [2025-04-14 16:07:24,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257084556] [2025-04-14 16:07:24,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:07:24,218 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2025-04-14 16:07:24,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:07:24,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2025-04-14 16:07:24,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1074, Invalid=4038, Unknown=0, NotChecked=0, Total=5112 [2025-04-14 16:07:24,220 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:24,220 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:24,220 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 7.416666666666667) internal successors, (534), 72 states have internal predecessors, (534), 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 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:24,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:24,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:24,486 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:24,493 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 16:07:24,686 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 16:07:24,686 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:07:24,686 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:07:24,686 INFO L139 ounterexampleChecker]: Examining path program with hash 124122829, occurence #7 [2025-04-14 16:07:24,687 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:07:24,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:07:24,687 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:07:24,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 16:07:24,687 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:24,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 16:07:24,687 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:24,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 16:07:24,687 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:24,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 16:07:24,687 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:24,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2025-04-14 16:07:24,687 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:24,687 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:07:24,687 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:07:24,687 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:24,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1638465783, now seen corresponding path program 15 times [2025-04-14 16:07:24,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:07:24,687 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461198226] [2025-04-14 16:07:24,687 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:07:24,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:24,710 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 199 statements into 8 equivalence classes. [2025-04-14 16:07:24,806 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 158 of 199 statements. [2025-04-14 16:07:24,806 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 16:07:24,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:25,257 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2025-04-14 16:07:25,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:07:25,257 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461198226] [2025-04-14 16:07:25,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461198226] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:07:25,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:07:25,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-14 16:07:25,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646486375] [2025-04-14 16:07:25,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:07:25,257 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 16:07:25,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:07:25,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 16:07:25,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-04-14 16:07:25,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:25,258 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:25,258 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 16:07:25,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:25,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:25,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:25,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:25,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:25,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:25,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:25,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:25,258 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:25,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:25,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:25,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:25,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:25,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:25,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:25,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:25,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:25,420 WARN L330 ript$VariableManager]: TermVariable v_subst_34 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:25,420 WARN L330 ript$VariableManager]: TermVariable v_subst_29 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:25,420 WARN L330 ript$VariableManager]: TermVariable v_subst_33 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:25,420 WARN L330 ript$VariableManager]: TermVariable v_subst_32 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:25,420 WARN L330 ript$VariableManager]: TermVariable v_subst_31 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:25,420 WARN L330 ript$VariableManager]: TermVariable v_subst_30 not constructed by VariableManager. Cannot ensure absence of name clashes. [2025-04-14 16:07:26,013 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:26,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:26,014 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2025-04-14 16:07:26,014 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:07:26,014 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:07:26,015 INFO L139 ounterexampleChecker]: Examining path program with hash -1650002527, occurence #1 [2025-04-14 16:07:26,015 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:07:26,015 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:07:26,015 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:26,015 INFO L85 PathProgramCache]: Analyzing trace with hash 579374198, now seen corresponding path program 16 times [2025-04-14 16:07:26,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:07:26,015 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560998155] [2025-04-14 16:07:26,015 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:07:26,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:26,039 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 209 statements into 2 equivalence classes. [2025-04-14 16:07:26,079 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 209 of 209 statements. [2025-04-14 16:07:26,079 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:07:26,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 267 proven. 162 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-04-14 16:07:27,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:07:27,033 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560998155] [2025-04-14 16:07:27,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560998155] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:27,034 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443104416] [2025-04-14 16:07:27,034 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:07:27,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:07:27,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:07:27,035 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 16:07:27,036 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 16:07:27,244 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 209 statements into 2 equivalence classes. [2025-04-14 16:07:27,325 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 209 of 209 statements. [2025-04-14 16:07:27,326 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:07:27,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:27,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-04-14 16:07:27,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:07:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 267 proven. 162 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-04-14 16:07:28,257 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:07:28,260 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2025-04-14 16:07:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 351 proven. 78 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-04-14 16:07:29,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443104416] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:07:29,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:07:29,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 83 [2025-04-14 16:07:29,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573170791] [2025-04-14 16:07:29,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:07:29,096 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2025-04-14 16:07:29,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:07:29,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2025-04-14 16:07:29,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1367, Invalid=5439, Unknown=0, NotChecked=0, Total=6806 [2025-04-14 16:07:29,098 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:29,098 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:29,098 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 6.783132530120482) internal successors, (563), 83 states have internal predecessors, (563), 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 16:07:29,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:29,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:29,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:29,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:29,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:29,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:29,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:29,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:29,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:29,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:29,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:29,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:29,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:29,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:29,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:29,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:29,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:29,099 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:29,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:29,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:07:29,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-14 16:07:29,502 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:07:29,503 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:07:29,503 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:07:29,503 INFO L139 ounterexampleChecker]: Examining path program with hash -1650002527, occurence #2 [2025-04-14 16:07:29,503 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:07:29,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:07:29,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:07:29,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 16:07:29,503 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:29,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 16:07:29,503 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:29,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 16:07:29,503 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:29,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-14 16:07:29,503 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:29,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2025-04-14 16:07:29,549 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:29,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1651091198, now seen corresponding path program 1 times [2025-04-14 16:07:29,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:07:29,549 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829322736] [2025-04-14 16:07:29,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:07:29,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:29,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-04-14 16:07:29,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-04-14 16:07:29,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:07:29,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:07:29,766 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:07:29,766 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:07:29,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-04-14 16:07:29,783 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:29,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1882322652, now seen corresponding path program 1 times [2025-04-14 16:07:29,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:07:29,783 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539598553] [2025-04-14 16:07:29,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:07:29,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:29,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 198 statements into 1 equivalence classes. [2025-04-14 16:07:29,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 198 of 198 statements. [2025-04-14 16:07:29,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:07:29,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2025-04-14 16:07:30,330 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:07:30,331 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539598553] [2025-04-14 16:07:30,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539598553] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:07:30,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:07:30,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 16:07:30,331 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 197. Constructing proof automaton... [2025-04-14 16:07:30,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:07:30,331 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-14 16:07:30,331 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 16:07:30,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-14 16:07:30,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 16:07:30,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-14 16:07:30,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:30,332 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:30,332 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:07:30,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:30,876 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:07:30,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:07:30,877 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,SelfDestructingSolverStorable53 [2025-04-14 16:07:30,877 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:07:30,877 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:07:30,878 INFO L139 ounterexampleChecker]: Examining path program with hash -1178060106, occurence #1 [2025-04-14 16:07:30,878 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:07:30,878 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:07:30,878 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:30,878 INFO L85 PathProgramCache]: Analyzing trace with hash 971176464, now seen corresponding path program 17 times [2025-04-14 16:07:30,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:07:30,878 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706466224] [2025-04-14 16:07:30,878 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:07:30,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:30,906 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 227 statements into 9 equivalence classes. [2025-04-14 16:07:31,105 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 227 of 227 statements. [2025-04-14 16:07:31,106 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-04-14 16:07:31,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:32,168 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 352 proven. 187 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-04-14 16:07:32,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:07:32,169 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706466224] [2025-04-14 16:07:32,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706466224] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:32,169 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114026189] [2025-04-14 16:07:32,169 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:07:32,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:07:32,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:07:32,170 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 16:07:32,171 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 16:07:32,407 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 227 statements into 9 equivalence classes. [2025-04-14 16:07:34,139 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 227 of 227 statements. [2025-04-14 16:07:34,140 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-04-14 16:07:34,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:34,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-04-14 16:07:34,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:07:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 442 proven. 55 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-04-14 16:07:34,874 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:07:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 283 proven. 214 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-04-14 16:07:35,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114026189] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:07:35,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:07:35,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 23, 23] total 73 [2025-04-14 16:07:35,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724543551] [2025-04-14 16:07:35,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:07:35,644 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2025-04-14 16:07:35,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:07:35,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2025-04-14 16:07:35,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=733, Invalid=4523, Unknown=0, NotChecked=0, Total=5256 [2025-04-14 16:07:35,645 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:35,645 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:35,645 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 7.041095890410959) internal successors, (514), 73 states have internal predecessors, (514), 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 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:07:35,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:35,942 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:07:35,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:07:35,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 16:07:35,955 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 16:07:36,144 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:07:36,145 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:07:36,145 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:07:36,145 INFO L139 ounterexampleChecker]: Examining path program with hash -1178060106, occurence #2 [2025-04-14 16:07:36,145 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:07:36,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 16:07:36,145 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:07:36,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 16:07:36,145 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:36,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 16:07:36,145 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:36,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 16:07:36,145 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:36,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 16:07:36,145 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:36,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2025-04-14 16:07:36,145 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:07:36,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-04-14 16:07:36,159 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:36,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1430731071, now seen corresponding path program 1 times [2025-04-14 16:07:36,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:07:36,159 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415027034] [2025-04-14 16:07:36,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:07:36,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:36,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 217 statements into 1 equivalence classes. [2025-04-14 16:07:36,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 217 of 217 statements. [2025-04-14 16:07:36,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:07:36,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:37,241 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2025-04-14 16:07:37,241 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:07:37,241 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415027034] [2025-04-14 16:07:37,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415027034] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:37,241 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1382185959] [2025-04-14 16:07:37,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:07:37,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:37,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 217 statements into 1 equivalence classes. [2025-04-14 16:07:37,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 217 of 217 statements. [2025-04-14 16:07:37,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:07:37,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:37,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-04-14 16:07:37,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:07:38,268 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 1 proven. 442 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2025-04-14 16:07:38,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1382185959] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:38,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:07:38,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 28] total 38 [2025-04-14 16:07:38,268 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:07:38,268 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-04-14 16:07:38,268 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:38,268 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:07:38,268 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:07:38,269 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:38,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1996889511, now seen corresponding path program 18 times [2025-04-14 16:07:38,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:07:38,269 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673653832] [2025-04-14 16:07:38,269 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:07:38,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:38,294 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 229 statements into 9 equivalence classes. [2025-04-14 16:07:38,362 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 123 of 229 statements. [2025-04-14 16:07:38,362 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 16:07:38,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2025-04-14 16:07:38,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:07:38,651 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673653832] [2025-04-14 16:07:38,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673653832] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:07:38,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:07:38,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-14 16:07:38,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327120442] [2025-04-14 16:07:38,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:07:38,652 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-14 16:07:38,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:07:38,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-14 16:07:38,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-04-14 16:07:38,652 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:38,652 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:38,652 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 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 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:38,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:07:38,653 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:07:38,653 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 16:07:38,653 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:07:38,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 16:07:38,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:38,949 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57 [2025-04-14 16:07:38,949 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:07:38,949 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:07:38,949 INFO L139 ounterexampleChecker]: Examining path program with hash -369346720, occurence #1 [2025-04-14 16:07:38,949 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:07:38,949 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:07:38,949 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:38,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1839909430, now seen corresponding path program 19 times [2025-04-14 16:07:38,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:07:38,949 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192480893] [2025-04-14 16:07:38,950 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:07:38,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:38,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 248 statements into 1 equivalence classes. [2025-04-14 16:07:39,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 248 of 248 statements. [2025-04-14 16:07:39,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:07:39,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:40,054 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 374 proven. 201 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2025-04-14 16:07:40,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:07:40,055 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192480893] [2025-04-14 16:07:40,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192480893] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:40,055 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554323023] [2025-04-14 16:07:40,055 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:07:40,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:07:40,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:07:40,057 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 16:07:40,058 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 16:07:40,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 248 statements into 1 equivalence classes. [2025-04-14 16:07:40,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 248 of 248 statements. [2025-04-14 16:07:40,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:07:40,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:40,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 16:07:40,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:07:41,352 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 470 proven. 105 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2025-04-14 16:07:41,352 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:07:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 364 proven. 211 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2025-04-14 16:07:42,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554323023] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:07:42,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:07:42,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 90 [2025-04-14 16:07:42,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192807710] [2025-04-14 16:07:42,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:07:42,211 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2025-04-14 16:07:42,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:07:42,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2025-04-14 16:07:42,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1680, Invalid=6330, Unknown=0, NotChecked=0, Total=8010 [2025-04-14 16:07:42,214 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:42,214 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:42,214 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 6.0) internal successors, (540), 90 states have internal predecessors, (540), 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 16:07:42,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:42,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:42,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:42,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:42,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:07:42,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:07:42,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 16:07:42,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:42,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:07:42,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-04-14 16:07:42,612 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,SelfDestructingSolverStorable58 [2025-04-14 16:07:42,612 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:07:42,612 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:07:42,613 INFO L139 ounterexampleChecker]: Examining path program with hash -369346720, occurence #2 [2025-04-14 16:07:42,613 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:07:42,613 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 16:07:42,613 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:07:42,613 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 16:07:42,613 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:42,613 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 16:07:42,613 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:42,613 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 16:07:42,613 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:42,613 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 16:07:42,613 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:42,613 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2025-04-14 16:07:42,613 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:07:42,613 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2025-04-14 16:07:42,627 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:42,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1271628927, now seen corresponding path program 1 times [2025-04-14 16:07:42,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:07:42,628 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447756822] [2025-04-14 16:07:42,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:07:42,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:42,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 218 statements into 1 equivalence classes. [2025-04-14 16:07:42,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 218 of 218 statements. [2025-04-14 16:07:42,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:07:42,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:43,666 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2025-04-14 16:07:43,666 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:07:43,666 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447756822] [2025-04-14 16:07:43,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447756822] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:43,666 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1645056591] [2025-04-14 16:07:43,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:07:43,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:43,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 218 statements into 1 equivalence classes. [2025-04-14 16:07:43,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 218 of 218 statements. [2025-04-14 16:07:43,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:07:43,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:43,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-14 16:07:43,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:07:44,750 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 1 proven. 442 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2025-04-14 16:07:44,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1645056591] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:44,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:07:44,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 29] total 39 [2025-04-14 16:07:44,750 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:07:44,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2025-04-14 16:07:44,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:07:44,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2025-04-14 16:07:44,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:07:44,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2025-04-14 16:07:44,750 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:07:44,750 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:07:44,750 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:07:44,751 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:44,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1218276531, now seen corresponding path program 20 times [2025-04-14 16:07:44,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:07:44,751 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39279096] [2025-04-14 16:07:44,751 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:07:44,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:44,777 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 249 statements into 2 equivalence classes. [2025-04-14 16:07:44,837 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 249 of 249 statements. [2025-04-14 16:07:44,837 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:07:44,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:45,948 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 117 proven. 96 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2025-04-14 16:07:45,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:07:45,949 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39279096] [2025-04-14 16:07:45,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39279096] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:45,949 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600768855] [2025-04-14 16:07:45,949 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:07:45,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:07:45,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:07:45,951 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 16:07:45,951 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 16:07:46,219 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 249 statements into 2 equivalence classes. [2025-04-14 16:07:46,310 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 249 of 249 statements. [2025-04-14 16:07:46,310 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:07:46,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:46,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-14 16:07:46,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:07:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 475 proven. 120 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-04-14 16:07:47,218 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:07:48,270 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 377 proven. 218 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-04-14 16:07:48,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600768855] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:07:48,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:07:48,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 36, 36] total 80 [2025-04-14 16:07:48,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271963031] [2025-04-14 16:07:48,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:07:48,271 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2025-04-14 16:07:48,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:07:48,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2025-04-14 16:07:48,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1351, Invalid=4969, Unknown=0, NotChecked=0, Total=6320 [2025-04-14 16:07:48,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:48,273 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:48,273 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 6.6375) internal successors, (531), 80 states have internal predecessors, (531), 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 16:07:48,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:48,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:07:48,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:07:50,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-14 16:07:50,655 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 16:07:50,847 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2025-04-14 16:07:50,847 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:07:50,847 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:07:50,848 INFO L139 ounterexampleChecker]: Examining path program with hash 906302330, occurence #1 [2025-04-14 16:07:50,848 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:07:50,848 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:07:50,848 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:07:50,848 INFO L85 PathProgramCache]: Analyzing trace with hash -716587973, now seen corresponding path program 21 times [2025-04-14 16:07:50,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:07:50,849 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865527368] [2025-04-14 16:07:50,849 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:07:50,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:07:50,910 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 705 statements into 18 equivalence classes. [2025-04-14 16:07:52,842 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 474 of 705 statements. [2025-04-14 16:07:52,842 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-04-14 16:07:52,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:55,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 336 proven. 1098 refuted. 0 times theorem prover too weak. 1469 trivial. 0 not checked. [2025-04-14 16:07:55,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:07:55,592 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865527368] [2025-04-14 16:07:55,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865527368] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:07:55,592 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366486010] [2025-04-14 16:07:55,592 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:07:55,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:07:55,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:07:55,594 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 16:07:55,595 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 16:07:55,965 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 705 statements into 18 equivalence classes. [2025-04-14 16:08:19,537 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 474 of 705 statements. [2025-04-14 16:08:19,537 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-04-14 16:08:19,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:19,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 1943 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-14 16:08:19,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:08:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 250 proven. 66 refuted. 0 times theorem prover too weak. 2587 trivial. 0 not checked. [2025-04-14 16:08:20,627 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:08:21,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2903 backedges. 66 proven. 250 refuted. 0 times theorem prover too weak. 2587 trivial. 0 not checked. [2025-04-14 16:08:21,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366486010] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:08:21,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:08:21,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 25, 25] total 88 [2025-04-14 16:08:21,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188180658] [2025-04-14 16:08:21,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:08:21,628 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2025-04-14 16:08:21,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:08:21,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2025-04-14 16:08:21,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1636, Invalid=6196, Unknown=0, NotChecked=0, Total=7832 [2025-04-14 16:08:21,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:08:21,631 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:08:21,631 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 6.584269662921348) internal successors, (586), 88 states have internal predecessors, (586), 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 16:08:21,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:21,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:21,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:08:21,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:21,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:08:21,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:08:21,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:08:21,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:08:21,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:21,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:08:21,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:08:21,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:08:21,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:08:21,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:08:21,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:08:21,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:08:21,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:08:21,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:08:21,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:08:21,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 16:08:21,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:08:21,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:08:21,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-14 16:08:21,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:08:22,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:22,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:22,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:08:22,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:22,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:08:22,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:08:22,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-14 16:08:22,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:08:22,082 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 16:08:22,263 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:08:22,264 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:08:22,264 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:08:22,264 INFO L139 ounterexampleChecker]: Examining path program with hash 906302330, occurence #2 [2025-04-14 16:08:22,264 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:08:22,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 16:08:22,264 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:08:22,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 16:08:22,264 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:08:22,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 16:08:22,264 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:08:22,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 16:08:22,264 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:08:22,264 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-14 16:08:22,265 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:08:22,265 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 465 [2025-04-14 16:08:22,310 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:08:22,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1197220460, now seen corresponding path program 1 times [2025-04-14 16:08:22,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:08:22,311 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324413657] [2025-04-14 16:08:22,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:08:22,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:08:22,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 466 statements into 1 equivalence classes. [2025-04-14 16:08:22,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 466 of 466 statements. [2025-04-14 16:08:22,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:08:22,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:24,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2496 backedges. 543 proven. 1335 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2025-04-14 16:08:24,792 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:08:24,792 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324413657] [2025-04-14 16:08:24,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324413657] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:08:24,792 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [485219238] [2025-04-14 16:08:24,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:08:24,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:08:24,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 466 statements into 1 equivalence classes. [2025-04-14 16:08:25,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 466 of 466 statements. [2025-04-14 16:08:25,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:08:25,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:25,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-04-14 16:08:25,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:08:26,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2496 backedges. 1707 proven. 171 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2025-04-14 16:08:26,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [485219238] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:08:26,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:08:26,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 76 [2025-04-14 16:08:26,419 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:08:26,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 481 [2025-04-14 16:08:26,440 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:08:26,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1862709185, now seen corresponding path program 1 times [2025-04-14 16:08:26,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:08:26,440 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375677082] [2025-04-14 16:08:26,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:08:26,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:08:26,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 482 statements into 1 equivalence classes. [2025-04-14 16:08:26,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 482 of 482 statements. [2025-04-14 16:08:26,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:08:26,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:29,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2517 backedges. 564 proven. 1335 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2025-04-14 16:08:29,059 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:08:29,060 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375677082] [2025-04-14 16:08:29,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375677082] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:08:29,060 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1928728092] [2025-04-14 16:08:29,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:08:29,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:08:29,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 482 statements into 1 equivalence classes. [2025-04-14 16:08:29,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 482 of 482 statements. [2025-04-14 16:08:29,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:08:29,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:29,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 1930 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-04-14 16:08:29,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:08:30,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2517 backedges. 1728 proven. 171 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2025-04-14 16:08:30,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1928728092] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:08:30,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:08:30,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40] total 77 [2025-04-14 16:08:30,658 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:08:30,659 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 482 is hopeless, skipping. [2025-04-14 16:08:30,659 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 502 is hopeless, skipping. [2025-04-14 16:08:30,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 504 [2025-04-14 16:08:30,672 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:08:30,672 INFO L85 PathProgramCache]: Analyzing trace with hash 2031413766, now seen corresponding path program 1 times [2025-04-14 16:08:30,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:08:30,672 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412225614] [2025-04-14 16:08:30,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:08:30,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:08:30,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 505 statements into 1 equivalence classes. [2025-04-14 16:08:30,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 505 of 505 statements. [2025-04-14 16:08:30,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:08:30,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:32,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2586 backedges. 149 proven. 985 refuted. 0 times theorem prover too weak. 1452 trivial. 0 not checked. [2025-04-14 16:08:32,737 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:08:32,737 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412225614] [2025-04-14 16:08:32,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412225614] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:08:32,737 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [886235553] [2025-04-14 16:08:32,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:08:32,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:08:32,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 505 statements into 1 equivalence classes. [2025-04-14 16:08:32,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 505 of 505 statements. [2025-04-14 16:08:32,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:08:32,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:32,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 2021 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 16:08:32,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:08:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2586 backedges. 1056 proven. 78 refuted. 0 times theorem prover too weak. 1452 trivial. 0 not checked. [2025-04-14 16:08:33,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [886235553] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:08:33,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:08:33,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2025-04-14 16:08:33,929 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:08:33,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 511 [2025-04-14 16:08:33,956 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:08:33,956 INFO L85 PathProgramCache]: Analyzing trace with hash 752030503, now seen corresponding path program 1 times [2025-04-14 16:08:33,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:08:33,956 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245022517] [2025-04-14 16:08:33,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:08:33,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:08:34,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 512 statements into 1 equivalence classes. [2025-04-14 16:08:34,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 512 of 512 statements. [2025-04-14 16:08:34,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:08:34,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:36,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2594 backedges. 157 proven. 985 refuted. 0 times theorem prover too weak. 1452 trivial. 0 not checked. [2025-04-14 16:08:36,068 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:08:36,068 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245022517] [2025-04-14 16:08:36,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245022517] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:08:36,068 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1015388040] [2025-04-14 16:08:36,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:08:36,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:08:36,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 512 statements into 1 equivalence classes. [2025-04-14 16:08:36,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 512 of 512 statements. [2025-04-14 16:08:36,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:08:36,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:36,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 2046 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 16:08:36,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:08:37,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2594 backedges. 1064 proven. 78 refuted. 0 times theorem prover too weak. 1452 trivial. 0 not checked. [2025-04-14 16:08:37,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1015388040] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:08:37,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:08:37,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2025-04-14 16:08:37,210 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:08:37,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 524 [2025-04-14 16:08:37,248 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:08:37,248 INFO L85 PathProgramCache]: Analyzing trace with hash 515239549, now seen corresponding path program 1 times [2025-04-14 16:08:37,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:08:37,248 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318943820] [2025-04-14 16:08:37,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:08:37,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:08:37,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 525 statements into 1 equivalence classes. [2025-04-14 16:08:37,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 525 of 525 statements. [2025-04-14 16:08:37,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:08:37,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2603 backedges. 285 proven. 1208 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2025-04-14 16:08:40,216 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:08:40,216 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318943820] [2025-04-14 16:08:40,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318943820] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:08:40,216 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [210898200] [2025-04-14 16:08:40,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:08:40,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:08:40,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 525 statements into 1 equivalence classes. [2025-04-14 16:08:40,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 525 of 525 statements. [2025-04-14 16:08:40,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:08:40,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:40,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 2087 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-04-14 16:08:40,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:08:41,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2603 backedges. 1322 proven. 171 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2025-04-14 16:08:41,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [210898200] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:08:41,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:08:41,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 76 [2025-04-14 16:08:41,822 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:08:41,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 529 [2025-04-14 16:08:41,837 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:08:41,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2124550191, now seen corresponding path program 1 times [2025-04-14 16:08:41,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:08:41,837 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217167522] [2025-04-14 16:08:41,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:08:41,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:08:41,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 530 statements into 1 equivalence classes. [2025-04-14 16:08:42,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 530 of 530 statements. [2025-04-14 16:08:42,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:08:42,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 113 proven. 852 refuted. 0 times theorem prover too weak. 1644 trivial. 0 not checked. [2025-04-14 16:08:44,049 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:08:44,049 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217167522] [2025-04-14 16:08:44,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217167522] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:08:44,049 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1992787052] [2025-04-14 16:08:44,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:08:44,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:08:44,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 530 statements into 1 equivalence classes. [2025-04-14 16:08:44,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 530 of 530 statements. [2025-04-14 16:08:44,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:08:44,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:44,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 2109 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 16:08:44,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:08:45,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 887 proven. 78 refuted. 0 times theorem prover too weak. 1644 trivial. 0 not checked. [2025-04-14 16:08:45,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1992787052] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:08:45,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:08:45,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2025-04-14 16:08:45,401 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:08:45,401 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 558 is hopeless, skipping. [2025-04-14 16:08:45,401 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 562 is hopeless, skipping. [2025-04-14 16:08:45,401 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 613 is hopeless, skipping. [2025-04-14 16:08:45,401 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 619 is hopeless, skipping. [2025-04-14 16:08:45,401 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 649 is hopeless, skipping. [2025-04-14 16:08:45,401 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 677 is hopeless, skipping. [2025-04-14 16:08:45,401 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 693 is hopeless, skipping. [2025-04-14 16:08:45,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 702 [2025-04-14 16:08:45,402 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:08:45,402 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:08:45,402 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:08:45,402 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:08:45,402 INFO L85 PathProgramCache]: Analyzing trace with hash -13023767, now seen corresponding path program 22 times [2025-04-14 16:08:45,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:08:45,402 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978387405] [2025-04-14 16:08:45,402 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:08:45,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:08:45,462 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 706 statements into 2 equivalence classes. [2025-04-14 16:08:45,770 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 706 of 706 statements. [2025-04-14 16:08:45,771 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:08:45,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:50,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2915 backedges. 955 proven. 704 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked. [2025-04-14 16:08:50,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:08:50,240 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978387405] [2025-04-14 16:08:50,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978387405] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:08:50,240 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103719713] [2025-04-14 16:08:50,240 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:08:50,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:08:50,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:08:50,242 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 16:08:50,242 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 16:08:50,743 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 706 statements into 2 equivalence classes. [2025-04-14 16:08:51,002 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 706 of 706 statements. [2025-04-14 16:08:51,003 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:08:51,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:08:51,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 2770 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-04-14 16:08:51,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:08:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2915 backedges. 2168 proven. 182 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2025-04-14 16:08:53,695 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:08:55,754 INFO L325 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-04-14 16:08:55,754 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2025-04-14 16:08:56,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2915 backedges. 2040 proven. 310 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2025-04-14 16:08:56,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103719713] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:08:56,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:08:56,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 42, 42] total 86 [2025-04-14 16:08:56,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795268603] [2025-04-14 16:08:56,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:08:56,383 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2025-04-14 16:08:56,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:08:56,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2025-04-14 16:08:56,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1755, Invalid=5555, Unknown=0, NotChecked=0, Total=7310 [2025-04-14 16:08:56,384 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:08:56,385 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:08:56,385 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 7.674418604651163) internal successors, (660), 86 states have internal predecessors, (660), 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 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:08:56,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:08:57,262 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:08:57,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:08:57,275 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 16:08:57,464 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,SelfDestructingSolverStorable63,SelfDestructingSolverStorable74,SelfDestructingSolverStorable64,SelfDestructingSolverStorable75,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2025-04-14 16:08:57,464 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 16:08:57,464 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:08:57,465 INFO L139 ounterexampleChecker]: Examining path program with hash -1884574188, occurence #1 [2025-04-14 16:08:57,465 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:08:57,465 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:08:57,465 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:08:57,465 INFO L85 PathProgramCache]: Analyzing trace with hash -397371385, now seen corresponding path program 23 times [2025-04-14 16:08:57,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:08:57,466 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237074291] [2025-04-14 16:08:57,466 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:08:57,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:08:57,543 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 949 statements into 22 equivalence classes. [2025-04-14 16:09:10,524 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) and asserted 949 of 949 statements. [2025-04-14 16:09:10,524 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2025-04-14 16:09:10,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:09:22,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4854 backedges. 4259 proven. 487 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-04-14 16:09:22,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:09:22,434 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237074291] [2025-04-14 16:09:22,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237074291] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:09:22,434 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75451925] [2025-04-14 16:09:22,434 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:09:22,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:09:22,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:09:22,436 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 16:09:22,437 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 16:09:23,009 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 949 statements into 22 equivalence classes. Received shutdown request... [2025-04-14 16:20:34,878 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 16:20:34,878 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 16:20:34,878 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 16:20:35,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-14 16:20:35,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2025-04-14 16:20:36,079 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forcibly destroying the process [2025-04-14 16:20:36,280 FATAL L548 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Could not destroy process within 200 ms, abandoning it [2025-04-14 16:20:36,298 WARN L301 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-04-14 16:20:36,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-04-14 16:20:36,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2025-04-14 16:20:36,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433880966] [2025-04-14 16:20:36,298 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-04-14 16:20:36,298 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2025-04-14 16:20:36,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:20:36,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2025-04-14 16:20:36,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2465, Invalid=5367, Unknown=0, NotChecked=0, Total=7832 [2025-04-14 16:20:36,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:20:36,300 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:20:36,301 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 9.146067415730338) internal successors, (814), 89 states have internal predecessors, (814), 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 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:20:36,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:20:36,302 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2025-04-14 16:20:36,302 WARN L610 AbstractCegarLoop]: Verification canceled: while executing Executor. [2025-04-14 16:20:36,304 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2025-04-14 16:20:36,304 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-04-14 16:20:36,304 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-04-14 16:20:36,304 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-04-14 16:20:36,304 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-04-14 16:20:36,309 INFO L422 BasicCegarLoop]: Path program histogram: [23, 1] [2025-04-14 16:20:36,311 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 16:20:36,311 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 16:20:36,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 04:20:36 BasicIcfg [2025-04-14 16:20:36,314 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 16:20:36,314 INFO L158 Benchmark]: Toolchain (without parser) took 849775.98ms. Allocated memory was 155.2MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 107.3MB in the beginning and 901.5MB in the end (delta: -794.1MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2025-04-14 16:20:36,315 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 16:20:36,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.82ms. Allocated memory is still 155.2MB. Free memory was 106.7MB in the beginning and 91.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-04-14 16:20:36,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.13ms. Allocated memory is still 155.2MB. Free memory was 90.6MB in the beginning and 88.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 16:20:36,315 INFO L158 Benchmark]: Boogie Preprocessor took 23.52ms. Allocated memory is still 155.2MB. Free memory was 88.0MB in the beginning and 86.4MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 16:20:36,315 INFO L158 Benchmark]: IcfgBuilder took 770.43ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 83.2MB in the end (delta: 3.2MB). Peak memory consumption was 70.8MB. Max. memory is 8.0GB. [2025-04-14 16:20:36,315 INFO L158 Benchmark]: TraceAbstraction took 848673.22ms. Allocated memory was 155.2MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 83.2MB in the beginning and 901.5MB in the end (delta: -818.3MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2025-04-14 16:20:36,316 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 270.82ms. Allocated memory is still 155.2MB. Free memory was 106.7MB in the beginning and 91.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.13ms. Allocated memory is still 155.2MB. Free memory was 90.6MB in the beginning and 88.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 23.52ms. Allocated memory is still 155.2MB. Free memory was 88.0MB in the beginning and 86.4MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * IcfgBuilder took 770.43ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 83.2MB in the end (delta: 3.2MB). Peak memory consumption was 70.8MB. Max. memory is 8.0GB. * TraceAbstraction took 848673.22ms. Allocated memory was 155.2MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 83.2MB in the beginning and 901.5MB in the end (delta: -818.3MB). Peak memory consumption was 1.3GB. 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: 188316, independent: 162696, independent conditional: 161362, independent unconditional: 1334, dependent: 25620, dependent conditional: 25600, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 165449, independent: 162696, independent conditional: 161362, independent unconditional: 1334, dependent: 2753, dependent conditional: 2733, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 165449, independent: 162696, independent conditional: 161362, independent unconditional: 1334, dependent: 2753, dependent conditional: 2733, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 176747, independent: 162696, independent conditional: 161362, independent unconditional: 1334, dependent: 14051, dependent conditional: 14031, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 176747, independent: 162696, independent conditional: 2661, independent unconditional: 160035, dependent: 14051, dependent conditional: 3351, dependent unconditional: 10700, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 176747, independent: 162696, independent conditional: 2661, independent unconditional: 160035, dependent: 14051, dependent conditional: 3351, dependent unconditional: 10700, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1299, independent: 1179, independent conditional: 27, independent unconditional: 1152, dependent: 120, dependent conditional: 100, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1299, independent: 1146, independent conditional: 0, independent unconditional: 1146, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 153, independent: 33, independent conditional: 27, independent unconditional: 6, dependent: 120, dependent conditional: 100, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 153, independent: 33, independent conditional: 27, independent unconditional: 6, dependent: 120, dependent conditional: 100, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3502, independent: 603, independent conditional: 449, independent unconditional: 154, dependent: 2899, dependent conditional: 2221, dependent unconditional: 678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 28, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 176747, independent: 161517, independent conditional: 2634, independent unconditional: 158883, dependent: 13931, dependent conditional: 3251, dependent unconditional: 10680, unknown: 1299, unknown conditional: 127, unknown unconditional: 1172] , Statistics on independence cache: Total cache size (in pairs): 1327, Positive cache size: 1207, Positive conditional cache size: 55, Positive unconditional cache size: 1152, Negative cache size: 120, Negative conditional cache size: 100, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 169381, Maximal queried relation: 8, Independence queries for same thread: 22867, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 732, Number of trivial persistent sets: 477, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1354, independent: 1334, independent conditional: 0, independent unconditional: 1334, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 188316, independent: 162696, independent conditional: 161362, independent unconditional: 1334, dependent: 25620, dependent conditional: 25600, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 165449, independent: 162696, independent conditional: 161362, independent unconditional: 1334, dependent: 2753, dependent conditional: 2733, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 165449, independent: 162696, independent conditional: 161362, independent unconditional: 1334, dependent: 2753, dependent conditional: 2733, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 176747, independent: 162696, independent conditional: 161362, independent unconditional: 1334, dependent: 14051, dependent conditional: 14031, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 176747, independent: 162696, independent conditional: 2661, independent unconditional: 160035, dependent: 14051, dependent conditional: 3351, dependent unconditional: 10700, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 176747, independent: 162696, independent conditional: 2661, independent unconditional: 160035, dependent: 14051, dependent conditional: 3351, dependent unconditional: 10700, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1299, independent: 1179, independent conditional: 27, independent unconditional: 1152, dependent: 120, dependent conditional: 100, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1299, independent: 1146, independent conditional: 0, independent unconditional: 1146, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 153, independent: 33, independent conditional: 27, independent unconditional: 6, dependent: 120, dependent conditional: 100, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 153, independent: 33, independent conditional: 27, independent unconditional: 6, dependent: 120, dependent conditional: 100, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3502, independent: 603, independent conditional: 449, independent unconditional: 154, dependent: 2899, dependent conditional: 2221, dependent unconditional: 678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 28, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 176747, independent: 161517, independent conditional: 2634, independent unconditional: 158883, dependent: 13931, dependent conditional: 3251, dependent unconditional: 10680, unknown: 1299, unknown conditional: 127, unknown unconditional: 1172] , Statistics on independence cache: Total cache size (in pairs): 1327, Positive cache size: 1207, Positive conditional cache size: 55, Positive unconditional cache size: 1152, Negative cache size: 120, Negative conditional cache size: 100, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 169381, Maximal queried relation: 8, Independence queries for same thread: 22867 - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 146]: 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: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 75 locations, 84 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 848.5s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 23, EmptinessCheckTime: 15.3s, 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: 434, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 46.7s SatisfiabilityAnalysisTime, 66.2s InterpolantComputationTime, 10591 NumberOfCodeBlocks, 9828 NumberOfCodeBlocksAsserted, 170 NumberOfCheckSat, 14929 ConstructedInterpolants, 551 QuantifiedInterpolants, 95639 SizeOfPredicates, 207 NumberOfNonLiveVariables, 18518 ConjunctsInSsa, 488 ConjunctsInUnsatCore, 60 InterpolantComputations, 5 PerfectInterpolantSequences, 32092/39498 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: 2, ConComChecker Statistics: CheckTime [ms]: 38098, ConditionCalculationTime [ms]: 1110, ConditionCalculations: 47, QuantifiedConditions: 0, TraceChecks: 28, UnknownTraceChecks: 0, UnsatisfiedConditions: 1, ImperfectProofs: 25 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown