/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/parallel-parallel-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 16:01:25,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 16:01:25,904 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 16:01:25,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 16:01:25,908 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 16:01:25,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 16:01:25,927 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 16:01:25,927 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 16:01:25,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 16:01:25,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 16:01:25,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 16:01:25,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 16:01:25,928 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 16:01:25,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 16:01:25,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 16:01:25,928 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 16:01:25,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 16:01:25,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 16:01:25,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 16:01:25,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 16:01:25,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 16:01:25,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 16:01:25,928 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 16:01:25,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 16:01:25,928 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 16:01:25,928 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 16:01:25,929 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 16:01:25,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 16:01:25,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 16:01:25,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 16:01:25,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:01:25,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 16:01:25,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 16:01:25,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 16:01:25,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 16:01:25,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:01:25,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 16:01:25,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 16:01:25,929 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 16:01:25,929 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 16:01:25,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 16:01:25,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 16:01:25,929 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 16:01:25,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 16:01:25,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 16:01:25,930 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 16:01:25,930 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 16:01:25,930 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 16:01:26,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 16:01:26,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 16:01:26,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 16:01:26,171 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 16:01:26,171 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 16:01:26,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2025-04-14 16:01:27,438 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dccd22fe/8702f7823dc14037a6ad5c351109626a/FLAG56068b93a [2025-04-14 16:01:27,664 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 16:01:27,664 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2025-04-14 16:01:27,672 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dccd22fe/8702f7823dc14037a6ad5c351109626a/FLAG56068b93a [2025-04-14 16:01:28,488 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2dccd22fe/8702f7823dc14037a6ad5c351109626a [2025-04-14 16:01:28,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 16:01:28,491 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 16:01:28,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 16:01:28,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 16:01:28,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 16:01:28,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 04:01:28" (1/1) ... [2025-04-14 16:01:28,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:01:28, skipping insertion in model container [2025-04-14 16:01:28,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 04:01:28" (1/1) ... [2025-04-14 16:01:28,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 16:01:28,710 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c[4303,4316] [2025-04-14 16:01:28,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 16:01:28,732 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 16:01:28,764 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c[4303,4316] [2025-04-14 16:01:28,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 16:01:28,778 INFO L204 MainTranslator]: Completed translation [2025-04-14 16:01:28,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:01:28 WrapperNode [2025-04-14 16:01:28,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 16:01:28,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 16:01:28,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 16:01:28,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 16:01:28,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:01:28" (1/1) ... [2025-04-14 16:01:28,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:01:28" (1/1) ... [2025-04-14 16:01:28,811 INFO L138 Inliner]: procedures = 28, calls = 58, calls flagged for inlining = 22, calls inlined = 32, statements flattened = 370 [2025-04-14 16:01:28,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 16:01:28,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 16:01:28,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 16:01:28,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 16:01:28,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:01:28" (1/1) ... [2025-04-14 16:01:28,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:01:28" (1/1) ... [2025-04-14 16:01:28,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:01:28" (1/1) ... [2025-04-14 16:01:28,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:01:28" (1/1) ... [2025-04-14 16:01:28,834 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:01:28" (1/1) ... [2025-04-14 16:01:28,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:01:28" (1/1) ... [2025-04-14 16:01:28,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:01:28" (1/1) ... [2025-04-14 16:01:28,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:01:28" (1/1) ... [2025-04-14 16:01:28,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 16:01:28,845 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-14 16:01:28,845 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-14 16:01:28,845 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-14 16:01:28,846 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:01:28" (1/1) ... [2025-04-14 16:01:28,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:01:28,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:01:28,872 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 16:01:28,875 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 16:01:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 16:01:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 16:01:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 16:01:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-14 16:01:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-14 16:01:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-14 16:01:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-14 16:01:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-14 16:01:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-14 16:01:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-14 16:01:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-14 16:01:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 16:01:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-04-14 16:01:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-04-14 16:01:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-04-14 16:01:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-04-14 16:01:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 16:01:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 16:01:28,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 16:01:28,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 16:01:28,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 16:01:28,893 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 16:01:28,985 INFO L256 CfgBuilder]: Building ICFG [2025-04-14 16:01:28,987 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 16:01:29,373 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 16:01:29,373 INFO L307 CfgBuilder]: Performing block encoding [2025-04-14 16:01:29,660 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 16:01:29,661 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 16:01:29,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 04:01:29 BoogieIcfgContainer [2025-04-14 16:01:29,661 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-14 16:01:29,662 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 16:01:29,662 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 16:01:29,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 16:01:29,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 04:01:28" (1/3) ... [2025-04-14 16:01:29,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@136a3a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 04:01:29, skipping insertion in model container [2025-04-14 16:01:29,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:01:28" (2/3) ... [2025-04-14 16:01:29,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@136a3a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 04:01:29, skipping insertion in model container [2025-04-14 16:01:29,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 04:01:29" (3/3) ... [2025-04-14 16:01:29,669 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2025-04-14 16:01:29,679 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 16:01:29,682 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-2.wvr.c that has 7 procedures, 62 locations, 64 edges, 1 initial locations, 5 loop locations, and 1 error locations. [2025-04-14 16:01:29,682 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 16:01:29,757 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2025-04-14 16:01:29,786 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 16:01:29,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 16:01:29,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:01:29,789 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 16:01:29,790 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 16:01:29,864 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 16:01:29,876 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork2 ======== [2025-04-14 16:01:29,881 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;@85b93ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 16:01:29,882 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-14 16:01:30,869 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork2Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2025-04-14 16:01:30,870 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork2Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2025-04-14 16:01:30,875 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-04-14 16:01:30,876 INFO L320 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork2 was SAFE,SAFE (1/3) [2025-04-14 16:01:30,881 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 16:01:30,882 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 16:01:30,882 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 16:01:30,882 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;@85b93ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 16:01:30,882 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-14 16:01:30,992 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:01:30,993 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:01:30,993 INFO L139 ounterexampleChecker]: Examining path program with hash -475443185, occurence #1 [2025-04-14 16:01:30,993 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:01:30,993 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:01:30,996 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:01:30,996 INFO L85 PathProgramCache]: Analyzing trace with hash 2086631556, now seen corresponding path program 1 times [2025-04-14 16:01:31,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:01:31,002 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763661352] [2025-04-14 16:01:31,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:01:31,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:01:31,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-04-14 16:01:31,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-04-14 16:01:31,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:01:31,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:31,190 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 16:01:31,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:01:31,191 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763661352] [2025-04-14 16:01:31,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763661352] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:01:31,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:01:31,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 16:01:31,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492928588] [2025-04-14 16:01:31,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:01:31,197 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-14 16:01:31,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:01:31,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-14 16:01:31,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-14 16:01:31,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:31,213 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:01:31,214 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 16:01:31,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:32,152 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:32,153 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 16:01:32,153 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:01:32,153 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:01:32,153 INFO L139 ounterexampleChecker]: Examining path program with hash -904487829, occurence #1 [2025-04-14 16:01:32,153 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:01:32,153 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:01:32,154 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:01:32,154 INFO L85 PathProgramCache]: Analyzing trace with hash -2028635455, now seen corresponding path program 1 times [2025-04-14 16:01:32,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:01:32,154 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045925268] [2025-04-14 16:01:32,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:01:32,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:01:32,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-04-14 16:01:32,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-04-14 16:01:32,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:01:32,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:32,701 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 16:01:32,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:01:32,701 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045925268] [2025-04-14 16:01:32,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045925268] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:01:32,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:01:32,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:01:32,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483465040] [2025-04-14 16:01:32,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:01:32,702 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:01:32,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:01:32,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:01:32,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 16:01:32,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:32,705 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:01:32,705 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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 16:01:32,705 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:32,705 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:33,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:33,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:33,033 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 16:01:33,033 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:01:33,033 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:01:33,033 INFO L139 ounterexampleChecker]: Examining path program with hash -904487829, occurence #2 [2025-04-14 16:01:33,033 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:01:33,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:01:33,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:33,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 16:01:33,057 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:33,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 16:01:33,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:33,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 16:01:33,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:33,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 16:01:33,057 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:33,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 16:01:33,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:33,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 16:01:33,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:33,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 16:01:33,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:33,058 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 16:01:33,058 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:33,059 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-14 16:01:33,059 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:33,059 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-14 16:01:33,059 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:33,059 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 16:01:33,059 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:33,059 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 16:01:33,059 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:33,059 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-14 16:01:33,059 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:33,059 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-04-14 16:01:33,059 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:33,059 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:01:33,059 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:01:33,060 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:01:33,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1576595581, now seen corresponding path program 1 times [2025-04-14 16:01:33,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:01:33,060 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875299203] [2025-04-14 16:01:33,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:01:33,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:01:33,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-04-14 16:01:33,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-04-14 16:01:33,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:01:33,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:33,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:01:33,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:01:33,359 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875299203] [2025-04-14 16:01:33,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875299203] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:01:33,359 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392073156] [2025-04-14 16:01:33,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:01:33,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:01:33,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:01:33,364 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 16:01:33,365 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 16:01:33,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-04-14 16:01:33,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-04-14 16:01:33,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:01:33,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:33,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 16:01:33,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:01:33,770 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 16:01:33,771 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 16:01:33,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392073156] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:01:33,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 16:01:33,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 15 [2025-04-14 16:01:33,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602907715] [2025-04-14 16:01:33,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:01:33,771 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-14 16:01:33,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:01:33,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-14 16:01:33,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2025-04-14 16:01:33,772 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:33,772 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:01:33,772 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 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 16:01:33,772 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:33,772 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:33,772 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:34,208 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:34,208 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:34,208 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:34,215 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 16:01:34,409 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-04-14 16:01:34,409 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:01:34,409 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:01:34,409 INFO L139 ounterexampleChecker]: Examining path program with hash -2027331803, occurence #1 [2025-04-14 16:01:34,409 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:01:34,409 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:01:34,410 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:01:34,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1303829873, now seen corresponding path program 2 times [2025-04-14 16:01:34,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:01:34,410 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598344605] [2025-04-14 16:01:34,410 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:01:34,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:01:34,423 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 99 statements into 2 equivalence classes. [2025-04-14 16:01:34,509 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 99 of 99 statements. [2025-04-14 16:01:34,509 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:01:34,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:35,012 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:01:35,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:01:35,012 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598344605] [2025-04-14 16:01:35,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598344605] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:01:35,012 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584906248] [2025-04-14 16:01:35,012 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:01:35,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:01:35,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:01:35,016 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 16:01:35,018 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 16:01:35,099 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 99 statements into 2 equivalence classes. [2025-04-14 16:01:35,157 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 99 of 99 statements. [2025-04-14 16:01:35,157 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:01:35,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:35,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-14 16:01:35,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:01:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:01:35,472 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:01:35,676 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:01:35,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584906248] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:01:35,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:01:35,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 30 [2025-04-14 16:01:35,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392655526] [2025-04-14 16:01:35,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:01:35,677 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-04-14 16:01:35,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:01:35,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-04-14 16:01:35,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=658, Unknown=0, NotChecked=0, Total=930 [2025-04-14 16:01:35,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:35,679 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:01:35,679 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.709677419354838) internal successors, (270), 30 states have internal predecessors, (270), 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 16:01:35,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:35,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:35,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:35,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:36,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:36,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:36,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:36,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:36,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-14 16:01:36,399 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:01:36,399 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:01:36,399 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:01:36,399 INFO L139 ounterexampleChecker]: Examining path program with hash -2027331803, occurence #2 [2025-04-14 16:01:36,399 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:01:36,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:01:36,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:36,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 16:01:36,399 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:36,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 16:01:36,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:36,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 16:01:36,401 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:36,401 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 16:01:36,401 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 16:01:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 16:01:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 16:01:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-04-14 16:01:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-04-14 16:01:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2025-04-14 16:01:36,402 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 16:01:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 16:01:36,402 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-04-14 16:01:36,402 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:36,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-04-14 16:01:36,402 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:36,402 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:01:36,402 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:01:36,403 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:01:36,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1894485427, now seen corresponding path program 3 times [2025-04-14 16:01:36,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:01:36,403 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657781425] [2025-04-14 16:01:36,403 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:01:36,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:01:36,420 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 102 statements into 3 equivalence classes. [2025-04-14 16:01:36,490 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 100 of 102 statements. [2025-04-14 16:01:36,490 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 16:01:36,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:36,796 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-04-14 16:01:36,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:01:36,796 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657781425] [2025-04-14 16:01:36,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657781425] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:01:36,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:01:36,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-14 16:01:36,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345733926] [2025-04-14 16:01:36,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:01:36,797 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 16:01:36,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:01:36,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 16:01:36,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-04-14 16:01:36,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:36,798 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:01:36,798 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 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 16:01:36,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:36,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:36,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:36,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:36,798 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:37,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:37,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:37,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:37,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:37,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:01:37,521 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-14 16:01:37,521 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:01:37,522 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:01:37,522 INFO L139 ounterexampleChecker]: Examining path program with hash -885261879, occurence #1 [2025-04-14 16:01:37,522 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:01:37,522 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:01:37,522 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:01:37,524 INFO L85 PathProgramCache]: Analyzing trace with hash 953114466, now seen corresponding path program 4 times [2025-04-14 16:01:37,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:01:37,525 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012418469] [2025-04-14 16:01:37,525 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:01:37,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:01:37,539 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 122 statements into 2 equivalence classes. [2025-04-14 16:01:37,547 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 75 of 122 statements. [2025-04-14 16:01:37,547 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 16:01:37,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-04-14 16:01:37,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:01:37,802 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012418469] [2025-04-14 16:01:37,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012418469] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:01:37,802 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047216760] [2025-04-14 16:01:37,802 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:01:37,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:01:37,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:01:37,805 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 16:01:37,807 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 16:01:37,883 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 122 statements into 2 equivalence classes. [2025-04-14 16:01:37,913 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 75 of 122 statements. [2025-04-14 16:01:37,914 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 16:01:37,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:37,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-14 16:01:37,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:01:38,351 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-14 16:01:38,351 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:01:38,560 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-04-14 16:01:38,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047216760] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-14 16:01:38,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:01:38,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13, 21] total 35 [2025-04-14 16:01:38,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373118484] [2025-04-14 16:01:38,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:01:38,560 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-14 16:01:38,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:01:38,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-14 16:01:38,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=959, Unknown=0, NotChecked=0, Total=1190 [2025-04-14 16:01:38,561 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:38,561 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:01:38,561 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 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 16:01:38,561 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:38,561 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:38,561 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:38,561 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:38,561 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:01:38,561 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:38,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:38,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:38,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:38,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:38,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:01:38,865 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:01:38,871 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 16:01:39,065 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:01:39,066 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:01:39,066 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:01:39,066 INFO L139 ounterexampleChecker]: Examining path program with hash 1528314927, occurence #1 [2025-04-14 16:01:39,066 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:01:39,066 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:01:39,066 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:01:39,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1564278423, now seen corresponding path program 5 times [2025-04-14 16:01:39,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:01:39,067 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871007253] [2025-04-14 16:01:39,067 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:01:39,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:01:39,084 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 134 statements into 3 equivalence classes. [2025-04-14 16:01:39,131 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 134 of 134 statements. [2025-04-14 16:01:39,132 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-14 16:01:39,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:39,557 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:01:39,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:01:39,558 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871007253] [2025-04-14 16:01:39,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871007253] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:01:39,558 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831207305] [2025-04-14 16:01:39,558 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:01:39,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:01:39,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:01:39,560 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 16:01:39,561 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 16:01:39,640 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 134 statements into 3 equivalence classes. [2025-04-14 16:01:39,719 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 134 of 134 statements. [2025-04-14 16:01:39,719 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-14 16:01:39,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:39,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-14 16:01:39,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:01:39,991 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 43 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-04-14 16:01:39,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:01:40,237 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 46 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-04-14 16:01:40,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831207305] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:01:40,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:01:40,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 38 [2025-04-14 16:01:40,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180028571] [2025-04-14 16:01:40,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:01:40,238 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-04-14 16:01:40,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:01:40,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-04-14 16:01:40,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=1188, Unknown=0, NotChecked=0, Total=1482 [2025-04-14 16:01:40,239 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:40,239 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:01:40,239 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 7.205128205128205) internal successors, (281), 38 states have internal predecessors, (281), 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 16:01:40,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:40,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:40,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:40,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:40,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:01:40,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:01:40,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:40,598 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:40,598 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:40,598 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:40,598 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:40,598 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:01:40,598 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:01:40,598 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:01:40,605 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 16:01:40,799 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:01:40,799 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:01:40,799 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:01:40,799 INFO L139 ounterexampleChecker]: Examining path program with hash 1528314927, occurence #2 [2025-04-14 16:01:40,800 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:01:40,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:01:40,800 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:40,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 16:01:40,800 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:40,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:01:40,800 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:40,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 16:01:40,800 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:40,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 16:01:40,800 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:40,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 16:01:40,800 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:40,800 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 16:01:40,800 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:40,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 16:01:40,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:40,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 16:01:40,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:40,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 16:01:40,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:40,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-14 16:01:40,801 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:40,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-04-14 16:01:40,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:40,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2025-04-14 16:01:40,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:40,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2025-04-14 16:01:40,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:40,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-14 16:01:40,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:40,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-14 16:01:40,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:40,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-14 16:01:40,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:40,802 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:01:40,802 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:01:40,802 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:01:40,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1016518421, now seen corresponding path program 6 times [2025-04-14 16:01:40,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:01:40,802 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852812348] [2025-04-14 16:01:40,802 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:01:40,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:01:40,818 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 137 statements into 5 equivalence classes. [2025-04-14 16:01:41,005 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 137 of 137 statements. [2025-04-14 16:01:41,006 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 16:01:41,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:41,981 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 52 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:01:41,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:01:41,981 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852812348] [2025-04-14 16:01:41,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852812348] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:01:41,981 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467775376] [2025-04-14 16:01:41,981 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:01:41,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:01:41,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:01:41,987 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 16:01:41,988 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 16:01:42,068 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 137 statements into 5 equivalence classes. [2025-04-14 16:01:42,144 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 137 of 137 statements. [2025-04-14 16:01:42,144 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 16:01:42,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:42,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-04-14 16:01:42,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:01:42,835 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 46 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-04-14 16:01:42,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:01:43,433 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 52 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-04-14 16:01:43,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467775376] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:01:43,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:01:43,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 20, 20] total 70 [2025-04-14 16:01:43,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568921044] [2025-04-14 16:01:43,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:01:43,434 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2025-04-14 16:01:43,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:01:43,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2025-04-14 16:01:43,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=743, Invalid=4227, Unknown=0, NotChecked=0, Total=4970 [2025-04-14 16:01:43,436 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:43,436 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:01:43,436 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 4.985915492957746) internal successors, (354), 70 states have internal predecessors, (354), 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 16:01:43,436 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:43,436 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:43,436 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:43,436 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:43,436 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:01:43,436 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:01:43,436 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:01:43,436 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:44,111 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:44,111 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:44,111 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:44,111 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:44,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:01:44,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:01:44,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:01:44,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:01:44,119 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 16:01:44,312 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:01:44,312 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:01:44,312 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:01:44,313 INFO L139 ounterexampleChecker]: Examining path program with hash 1528314927, occurence #3 [2025-04-14 16:01:44,313 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:01:44,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:01:44,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:44,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 16:01:44,313 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:44,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 16:01:44,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:44,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 16:01:44,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:44,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-14 16:01:44,313 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:44,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 16:01:44,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:44,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 16:01:44,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:44,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 16:01:44,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:44,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 16:01:44,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:44,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-14 16:01:44,313 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:44,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-04-14 16:01:44,313 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:44,313 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2025-04-14 16:01:44,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:44,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2025-04-14 16:01:44,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:44,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2025-04-14 16:01:44,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:44,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-14 16:01:44,314 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:44,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2025-04-14 16:01:44,314 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:44,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2025-04-14 16:01:44,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:44,314 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:01:44,314 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:01:44,314 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:01:44,314 INFO L85 PathProgramCache]: Analyzing trace with hash 632324713, now seen corresponding path program 7 times [2025-04-14 16:01:44,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:01:44,314 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894180320] [2025-04-14 16:01:44,314 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:01:44,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:01:44,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-04-14 16:01:44,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-04-14 16:01:44,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:01:44,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:45,219 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 55 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:01:45,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:01:45,220 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894180320] [2025-04-14 16:01:45,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894180320] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:01:45,220 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000383507] [2025-04-14 16:01:45,220 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:01:45,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:01:45,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:01:45,222 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 16:01:45,223 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 16:01:45,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-04-14 16:01:45,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-04-14 16:01:45,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:01:45,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:45,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-14 16:01:45,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:01:46,060 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 66 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:01:46,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:01:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 78 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:01:46,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000383507] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:01:46,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:01:46,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 63 [2025-04-14 16:01:46,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249848507] [2025-04-14 16:01:46,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:01:46,544 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-04-14 16:01:46,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:01:46,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-04-14 16:01:46,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=755, Invalid=3277, Unknown=0, NotChecked=0, Total=4032 [2025-04-14 16:01:46,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:46,545 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:01:46,546 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 5.046875) internal successors, (323), 63 states have internal predecessors, (323), 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 16:01:46,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:46,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:46,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:46,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:46,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:01:46,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:01:46,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:01:46,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:01:46,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:47,797 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:47,797 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:47,797 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:47,797 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:47,797 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:01:47,797 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:47,797 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:01:47,797 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:01:47,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:01:47,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-14 16:01:48,002 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:01:48,002 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:01:48,002 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:01:48,002 INFO L139 ounterexampleChecker]: Examining path program with hash -1114537283, occurence #1 [2025-04-14 16:01:48,002 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:01:48,002 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:01:48,002 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:01:48,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1129926017, now seen corresponding path program 8 times [2025-04-14 16:01:48,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:01:48,003 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699030925] [2025-04-14 16:01:48,003 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:01:48,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:01:48,030 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 238 statements into 2 equivalence classes. [2025-04-14 16:01:48,070 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 238 of 238 statements. [2025-04-14 16:01:48,070 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:01:48,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 515 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:01:50,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:01:50,796 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699030925] [2025-04-14 16:01:50,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699030925] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:01:50,796 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564607123] [2025-04-14 16:01:50,796 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:01:50,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:01:50,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:01:50,798 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 16:01:50,800 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 16:01:50,904 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 238 statements into 2 equivalence classes. [2025-04-14 16:01:50,998 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 238 of 238 statements. [2025-04-14 16:01:50,998 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:01:50,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:51,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-04-14 16:01:51,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:01:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 515 proven. 102 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-04-14 16:01:52,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:01:53,859 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 539 proven. 78 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-04-14 16:01:53,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564607123] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:01:53,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:01:53,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 37, 37] total 132 [2025-04-14 16:01:53,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463720142] [2025-04-14 16:01:53,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:01:53,860 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2025-04-14 16:01:53,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:01:53,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2025-04-14 16:01:53,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2736, Invalid=14820, Unknown=0, NotChecked=0, Total=17556 [2025-04-14 16:01:53,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:53,864 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:01:53,864 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 4.93984962406015) internal successors, (657), 132 states have internal predecessors, (657), 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 16:01:53,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:53,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:53,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:53,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:53,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:01:53,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:53,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:01:53,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:01:53,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:01:53,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:55,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:55,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:55,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:55,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:55,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:01:55,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:55,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:01:55,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:01:55,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:01:55,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:01:55,190 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 16:01:55,383 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,SelfDestructingSolverStorable9 [2025-04-14 16:01:55,384 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:01:55,384 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:01:55,384 INFO L139 ounterexampleChecker]: Examining path program with hash -1114537283, occurence #2 [2025-04-14 16:01:55,384 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:01:55,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:01:55,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:55,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 16:01:55,384 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:55,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 16:01:55,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:55,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 16:01:55,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:55,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 16:01:55,384 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:55,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 16:01:55,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:55,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 16:01:55,385 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:55,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 164 [2025-04-14 16:01:55,397 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:01:55,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1742602327, now seen corresponding path program 1 times [2025-04-14 16:01:55,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:01:55,397 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115217576] [2025-04-14 16:01:55,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:01:55,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:01:55,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-04-14 16:01:55,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-04-14 16:01:55,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:01:55,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:01:55,567 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:01:55,567 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:01:55,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2025-04-14 16:01:55,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:55,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-04-14 16:01:55,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:55,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2025-04-14 16:01:55,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:55,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-04-14 16:01:55,568 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:55,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-04-14 16:01:55,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:55,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2025-04-14 16:01:55,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:55,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 240 [2025-04-14 16:01:55,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:55,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2025-04-14 16:01:55,568 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:55,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2025-04-14 16:01:55,568 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:01:55,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2025-04-14 16:01:55,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:01:55,568 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:01:55,568 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:01:55,569 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:01:55,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1604604159, now seen corresponding path program 9 times [2025-04-14 16:01:55,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:01:55,569 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203036362] [2025-04-14 16:01:55,569 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:01:55,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:01:55,590 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 250 statements into 13 equivalence classes. [2025-04-14 16:01:56,004 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 242 of 250 statements. [2025-04-14 16:01:56,005 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-14 16:01:56,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:57,166 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 233 proven. 8 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2025-04-14 16:01:57,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:01:57,166 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203036362] [2025-04-14 16:01:57,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203036362] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:01:57,166 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555777830] [2025-04-14 16:01:57,166 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:01:57,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:01:57,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:01:57,169 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 16:01:57,170 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 16:01:57,286 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 250 statements into 13 equivalence classes. [2025-04-14 16:01:57,634 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 242 of 250 statements. [2025-04-14 16:01:57,634 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-14 16:01:57,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:01:57,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-04-14 16:01:57,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:01:58,471 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 0 proven. 547 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-04-14 16:01:58,471 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:01:58,755 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 233 proven. 8 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2025-04-14 16:01:58,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555777830] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:01:58,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:01:58,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 48, 11] total 58 [2025-04-14 16:01:58,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857981067] [2025-04-14 16:01:58,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:01:58,756 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2025-04-14 16:01:58,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:01:58,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2025-04-14 16:01:58,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=2988, Unknown=0, NotChecked=0, Total=3306 [2025-04-14 16:01:58,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:58,758 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:01:58,758 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 6.0) internal successors, (348), 58 states have internal predecessors, (348), 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 16:01:58,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:01:58,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:01:58,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:01:58,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:58,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:01:58,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:01:58,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:01:58,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:01:58,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:01:58,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:01:58,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:01,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:01,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:02:01,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:02:01,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:02:01,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:02:01,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:02:01,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:02:01,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:02:01,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:02:01,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:02:01,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:02:01,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-04-14 16:02:01,244 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:02:01,244 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:02:01,244 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:02:01,245 INFO L139 ounterexampleChecker]: Examining path program with hash 1528314927, occurence #4 [2025-04-14 16:02:01,245 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:02:01,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:02:01,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:01,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 16:02:01,245 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:01,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 16:02:01,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:01,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 16:02:01,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:01,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 16:02:01,245 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:01,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 16:02:01,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:01,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 16:02:01,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:01,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-04-14 16:02:01,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:01,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-04-14 16:02:01,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:01,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2025-04-14 16:02:01,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:01,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-04-14 16:02:01,246 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:01,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-04-14 16:02:01,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:01,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2025-04-14 16:02:01,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:01,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2025-04-14 16:02:01,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:01,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-04-14 16:02:01,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:01,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2025-04-14 16:02:01,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:01,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2025-04-14 16:02:01,246 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:01,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2025-04-14 16:02:01,246 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:01,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 256 [2025-04-14 16:02:01,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:01,246 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:02:01,246 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:02:01,247 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:02:01,247 INFO L85 PathProgramCache]: Analyzing trace with hash 2096388331, now seen corresponding path program 10 times [2025-04-14 16:02:01,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:02:01,247 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071161288] [2025-04-14 16:02:01,247 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:02:01,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:02:01,265 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 258 statements into 2 equivalence classes. [2025-04-14 16:02:01,274 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 133 of 258 statements. [2025-04-14 16:02:01,274 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 16:02:01,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:02:01,743 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 32 proven. 210 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2025-04-14 16:02:01,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:02:01,743 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071161288] [2025-04-14 16:02:01,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071161288] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:02:01,743 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647010605] [2025-04-14 16:02:01,743 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:02:01,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:02:01,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:02:01,745 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 16:02:01,746 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 16:02:01,871 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 258 statements into 2 equivalence classes. [2025-04-14 16:02:01,914 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 133 of 258 statements. [2025-04-14 16:02:01,915 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 16:02:01,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:02:01,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-04-14 16:02:01,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:02:02,787 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 32 proven. 574 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-04-14 16:02:02,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:02:03,129 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 32 proven. 133 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2025-04-14 16:02:03,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647010605] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:02:03,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:02:03,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 50, 11] total 60 [2025-04-14 16:02:03,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522342868] [2025-04-14 16:02:03,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:02:03,130 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2025-04-14 16:02:03,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:02:03,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2025-04-14 16:02:03,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=3171, Unknown=0, NotChecked=0, Total=3540 [2025-04-14 16:02:03,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:03,131 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:02:03,132 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 5.633333333333334) internal successors, (338), 60 states have internal predecessors, (338), 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 16:02:03,132 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:03,132 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:02:03,132 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:02:03,132 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:02:03,132 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:02:03,132 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:02:03,132 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:02:03,132 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:02:03,132 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:02:03,132 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:02:03,132 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:02:03,132 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:05,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:05,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:02:05,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:02:05,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:02:05,603 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:02:05,604 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:02:05,604 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:02:05,604 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:02:05,604 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:02:05,604 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:02:05,604 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:02:05,604 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:05,610 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 16:02:05,804 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,SelfDestructingSolverStorable12 [2025-04-14 16:02:05,804 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:02:05,804 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:02:05,805 INFO L139 ounterexampleChecker]: Examining path program with hash -2066855831, occurence #1 [2025-04-14 16:02:05,805 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:02:05,805 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:02:05,805 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:02:05,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1554431750, now seen corresponding path program 11 times [2025-04-14 16:02:05,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:02:05,805 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039831127] [2025-04-14 16:02:05,805 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:02:05,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:02:05,829 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 302 statements into 14 equivalence classes. [2025-04-14 16:02:06,175 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 302 of 302 statements. [2025-04-14 16:02:06,176 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-04-14 16:02:06,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:02:08,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 1339 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:02:08,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:02:08,383 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039831127] [2025-04-14 16:02:08,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039831127] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:02:08,383 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122783537] [2025-04-14 16:02:08,383 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:02:08,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:02:08,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:02:08,385 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 16:02:08,386 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 16:02:08,506 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 302 statements into 14 equivalence classes. [2025-04-14 16:02:09,327 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 302 of 302 statements. [2025-04-14 16:02:09,327 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-04-14 16:02:09,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:02:09,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-04-14 16:02:09,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:02:11,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 1210 proven. 421 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-04-14 16:02:11,207 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:02:12,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 1331 proven. 300 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-04-14 16:02:12,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122783537] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:02:12,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:02:12,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 50, 50] total 128 [2025-04-14 16:02:12,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167466128] [2025-04-14 16:02:12,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:02:12,685 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2025-04-14 16:02:12,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:02:12,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2025-04-14 16:02:12,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3011, Invalid=13501, Unknown=0, NotChecked=0, Total=16512 [2025-04-14 16:02:12,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:12,689 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:02:12,690 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 4.364341085271318) internal successors, (563), 128 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 16:02:12,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:12,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:02:12,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:02:12,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:02:12,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:02:12,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:02:12,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:02:12,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:02:12,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:02:12,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:02:12,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:02:12,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:12,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:02:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:02:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:02:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:02:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:02:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:02:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:02:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:02:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:02:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:02:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:13,977 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 16:02:14,167 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,SelfDestructingSolverStorable13 [2025-04-14 16:02:14,168 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:02:14,168 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:02:14,168 INFO L139 ounterexampleChecker]: Examining path program with hash -2066855831, occurence #2 [2025-04-14 16:02:14,168 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:02:14,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:02:14,168 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:14,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 16:02:14,168 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:14,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 16:02:14,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:14,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 16:02:14,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:14,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 16:02:14,169 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:14,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-14 16:02:14,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:14,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 16:02:14,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:14,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 270 [2025-04-14 16:02:14,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:14,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 281 [2025-04-14 16:02:14,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:14,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 284 [2025-04-14 16:02:14,169 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:14,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 290 [2025-04-14 16:02:14,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:14,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 294 [2025-04-14 16:02:14,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:14,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 296 [2025-04-14 16:02:14,169 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:14,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 300 [2025-04-14 16:02:14,169 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:14,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 301 [2025-04-14 16:02:14,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:14,169 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:02:14,169 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:02:14,170 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:02:14,170 INFO L85 PathProgramCache]: Analyzing trace with hash 520277692, now seen corresponding path program 12 times [2025-04-14 16:02:14,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:02:14,170 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422641928] [2025-04-14 16:02:14,170 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:02:14,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:02:14,191 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 303 statements into 14 equivalence classes. [2025-04-14 16:02:14,747 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) and asserted 303 of 303 statements. [2025-04-14 16:02:14,747 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2025-04-14 16:02:14,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:02:17,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1664 backedges. 1287 proven. 377 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:02:17,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:02:17,363 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422641928] [2025-04-14 16:02:17,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422641928] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:02:17,363 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454439099] [2025-04-14 16:02:17,363 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:02:17,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:02:17,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:02:17,369 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 16:02:17,370 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 16:02:17,518 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 303 statements into 14 equivalence classes. [2025-04-14 16:02:19,469 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) and asserted 303 of 303 statements. [2025-04-14 16:02:19,469 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2025-04-14 16:02:19,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:02:19,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 1424 conjuncts, 62 conjuncts are in the unsatisfiable core [2025-04-14 16:02:19,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:02:21,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1664 backedges. 1200 proven. 464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:02:21,662 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:02:24,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1664 backedges. 1339 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:02:24,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454439099] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:02:24,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:02:24,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 169 [2025-04-14 16:02:24,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803445306] [2025-04-14 16:02:24,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:02:24,285 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2025-04-14 16:02:24,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:02:24,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2025-04-14 16:02:24,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4379, Invalid=24351, Unknown=0, NotChecked=0, Total=28730 [2025-04-14 16:02:24,289 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:24,289 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:02:24,290 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 5.105882352941176) internal successors, (868), 169 states have internal predecessors, (868), 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 16:02:24,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:24,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:02:24,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:02:24,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:02:24,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:02:24,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:02:24,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:02:24,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:02:24,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:02:24,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:02:24,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:02:24,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:24,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:24,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:26,709 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:02:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:02:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:02:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:02:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:02:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:02:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:02:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:02:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:02:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:02:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-14 16:02:26,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-04-14 16:02:26,910 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,SelfDestructingSolverStorable14 [2025-04-14 16:02:26,911 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:02:26,911 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:02:26,911 INFO L139 ounterexampleChecker]: Examining path program with hash -2066855831, occurence #3 [2025-04-14 16:02:26,911 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:02:26,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:02:26,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:26,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 16:02:26,911 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:26,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 16:02:26,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:26,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 16:02:26,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:26,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-14 16:02:26,911 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:26,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-14 16:02:26,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:26,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 16:02:26,911 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:26,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 276 [2025-04-14 16:02:26,912 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:26,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2025-04-14 16:02:26,912 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:26,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 290 [2025-04-14 16:02:26,912 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:26,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 296 [2025-04-14 16:02:26,912 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:26,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 300 [2025-04-14 16:02:26,912 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:26,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 302 [2025-04-14 16:02:26,912 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:26,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 306 [2025-04-14 16:02:26,912 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:26,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 307 [2025-04-14 16:02:26,912 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:26,912 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:02:26,912 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:02:26,912 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:02:26,912 INFO L85 PathProgramCache]: Analyzing trace with hash -548409860, now seen corresponding path program 13 times [2025-04-14 16:02:26,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:02:26,913 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785331050] [2025-04-14 16:02:26,913 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:02:26,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:02:26,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 309 statements into 1 equivalence classes. [2025-04-14 16:02:26,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 309 of 309 statements. [2025-04-14 16:02:26,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:02:26,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:02:30,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 435 proven. 1399 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:02:30,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:02:30,612 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785331050] [2025-04-14 16:02:30,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785331050] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:02:30,613 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134259016] [2025-04-14 16:02:30,613 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:02:30,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:02:30,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:02:30,614 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 16:02:30,615 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 16:02:30,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 309 statements into 1 equivalence classes. [2025-04-14 16:02:30,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 309 of 309 statements. [2025-04-14 16:02:30,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:02:30,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:02:30,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 1478 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-04-14 16:02:30,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:02:33,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 465 proven. 1370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:02:33,330 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:02:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 496 proven. 1339 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:02:35,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134259016] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:02:35,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:02:35,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 62, 62] total 184 [2025-04-14 16:02:35,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159153941] [2025-04-14 16:02:35,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:02:35,968 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 185 states [2025-04-14 16:02:35,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:02:35,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2025-04-14 16:02:35,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4959, Invalid=29081, Unknown=0, NotChecked=0, Total=34040 [2025-04-14 16:02:35,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:35,973 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:02:35,973 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 185 states, 185 states have (on average 4.718918918918919) internal successors, (873), 184 states have internal predecessors, (873), 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 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-14 16:02:35,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-14 16:02:39,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-04-14 16:02:39,699 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 16:02:39,892 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,SelfDestructingSolverStorable15 [2025-04-14 16:02:39,892 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:02:39,892 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:02:39,892 INFO L139 ounterexampleChecker]: Examining path program with hash -2066855831, occurence #4 [2025-04-14 16:02:39,892 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:02:39,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:02:39,892 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:39,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 16:02:39,893 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:39,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 16:02:39,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:39,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 16:02:39,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:39,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-14 16:02:39,893 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:39,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-14 16:02:39,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:39,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 16:02:39,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:39,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 324 [2025-04-14 16:02:39,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:39,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 335 [2025-04-14 16:02:39,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:39,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 338 [2025-04-14 16:02:39,893 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:39,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 344 [2025-04-14 16:02:39,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:39,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 348 [2025-04-14 16:02:39,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:39,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 350 [2025-04-14 16:02:39,893 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:39,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 354 [2025-04-14 16:02:39,893 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:02:39,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 355 [2025-04-14 16:02:39,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:02:39,893 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:02:39,894 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:02:39,894 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:02:39,894 INFO L85 PathProgramCache]: Analyzing trace with hash 181357856, now seen corresponding path program 14 times [2025-04-14 16:02:39,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:02:39,894 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518139604] [2025-04-14 16:02:39,894 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:02:39,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:02:39,919 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 357 statements into 2 equivalence classes. [2025-04-14 16:02:39,984 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 357 of 357 statements. [2025-04-14 16:02:39,984 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:02:39,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:02:46,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2528 backedges. 1968 proven. 560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:02:46,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:02:46,100 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518139604] [2025-04-14 16:02:46,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518139604] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:02:46,100 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938529263] [2025-04-14 16:02:46,100 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:02:46,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:02:46,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:02:46,101 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 16:02:46,126 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 16:02:46,272 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 357 statements into 2 equivalence classes. [2025-04-14 16:02:46,397 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 357 of 357 statements. [2025-04-14 16:02:46,397 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:02:46,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:02:46,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 1658 conjuncts, 72 conjuncts are in the unsatisfiable core [2025-04-14 16:02:46,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:02:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2528 backedges. 0 proven. 2032 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2025-04-14 16:02:50,072 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:02:50,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2528 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 2281 trivial. 0 not checked. [2025-04-14 16:02:50,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938529263] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-14 16:02:50,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:02:50,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [106, 73] total 183 [2025-04-14 16:02:50,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127762624] [2025-04-14 16:02:50,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:02:50,591 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-14 16:02:50,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:02:50,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-14 16:02:50,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3601, Invalid=29705, Unknown=0, NotChecked=0, Total=33306 [2025-04-14 16:02:50,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:50,594 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:02:50,594 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 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 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-14 16:02:50,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-04-14 16:02:50,595 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-04-14 16:02:51,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:02:51,307 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 16:02:51,500 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:02:51,500 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:02:51,500 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:02:51,500 INFO L139 ounterexampleChecker]: Examining path program with hash 179887830, occurence #1 [2025-04-14 16:02:51,500 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:02:51,500 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:02:51,501 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:02:51,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1080560591, now seen corresponding path program 15 times [2025-04-14 16:02:51,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:02:51,501 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020076694] [2025-04-14 16:02:51,501 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:02:51,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:02:51,525 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 369 statements into 17 equivalence classes. [2025-04-14 16:02:52,977 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) and asserted 369 of 369 statements. [2025-04-14 16:02:52,977 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2025-04-14 16:02:52,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:02:56,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2546 backedges. 1986 proven. 560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:02:56,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:02:56,764 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020076694] [2025-04-14 16:02:56,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020076694] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:02:56,764 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814667178] [2025-04-14 16:02:56,764 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:02:56,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:02:56,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:02:56,766 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 16:02:56,767 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 16:02:56,922 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 369 statements into 17 equivalence classes. [2025-04-14 16:03:01,949 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) and asserted 369 of 369 statements. [2025-04-14 16:03:01,949 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2025-04-14 16:03:01,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:03:01,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 1703 conjuncts, 75 conjuncts are in the unsatisfiable core [2025-04-14 16:03:01,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:03:05,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2546 backedges. 2002 proven. 544 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:03:05,655 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:03:08,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2546 backedges. 2042 proven. 504 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:03:08,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814667178] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:03:08,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:03:08,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 72, 72] total 185 [2025-04-14 16:03:08,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627899771] [2025-04-14 16:03:08,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:03:08,566 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 186 states [2025-04-14 16:03:08,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:03:08,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 186 interpolants. [2025-04-14 16:03:08,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6654, Invalid=27756, Unknown=0, NotChecked=0, Total=34410 [2025-04-14 16:03:08,569 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:03:08,569 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:03:08,570 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 186 states, 186 states have (on average 5.704301075268817) internal successors, (1061), 185 states have internal predecessors, (1061), 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 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:03:08,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-04-14 16:03:11,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:03:11,102 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-14 16:03:11,117 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 16:03:11,302 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-14 16:03:11,302 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:03:11,302 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:03:11,303 INFO L139 ounterexampleChecker]: Examining path program with hash 179887830, occurence #2 [2025-04-14 16:03:11,303 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:03:11,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:03:11,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:11,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 16:03:11,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:03:11,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-14 16:03:11,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:11,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-14 16:03:11,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:11,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 16:03:11,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:03:11,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 16:03:11,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:11,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 16:03:11,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:11,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 332 [2025-04-14 16:03:11,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:11,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 339 [2025-04-14 16:03:11,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:11,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 346 [2025-04-14 16:03:11,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:11,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 349 [2025-04-14 16:03:11,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:03:11,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 356 [2025-04-14 16:03:11,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:11,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 360 [2025-04-14 16:03:11,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:11,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2025-04-14 16:03:11,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:11,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 366 [2025-04-14 16:03:11,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:11,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 368 [2025-04-14 16:03:11,304 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:03:11,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 373 [2025-04-14 16:03:11,304 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:03:11,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 375 [2025-04-14 16:03:11,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:11,304 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:03:11,304 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:03:11,304 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:03:11,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1069821135, now seen corresponding path program 16 times [2025-04-14 16:03:11,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:03:11,304 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107654082] [2025-04-14 16:03:11,304 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:03:11,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:03:11,330 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 377 statements into 2 equivalence classes. [2025-04-14 16:03:11,346 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 185 of 377 statements. [2025-04-14 16:03:11,347 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 16:03:11,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:03:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2830 backedges. 18 proven. 408 refuted. 0 times theorem prover too weak. 2404 trivial. 0 not checked. [2025-04-14 16:03:12,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:03:12,160 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107654082] [2025-04-14 16:03:12,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107654082] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:03:12,160 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348838987] [2025-04-14 16:03:12,160 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:03:12,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:03:12,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:03:12,162 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 16:03:12,163 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 16:03:12,339 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 377 statements into 2 equivalence classes. [2025-04-14 16:03:12,395 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 185 of 377 statements. [2025-04-14 16:03:12,395 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 16:03:12,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:03:12,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 75 conjuncts are in the unsatisfiable core [2025-04-14 16:03:12,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:03:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2830 backedges. 18 proven. 2032 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2025-04-14 16:03:13,823 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:03:14,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2830 backedges. 18 proven. 247 refuted. 0 times theorem prover too weak. 2565 trivial. 0 not checked. [2025-04-14 16:03:14,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348838987] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:03:14,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:03:14,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 76, 9] total 88 [2025-04-14 16:03:14,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534365791] [2025-04-14 16:03:14,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:03:14,237 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2025-04-14 16:03:14,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:03:14,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2025-04-14 16:03:14,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=662, Invalid=6994, Unknown=0, NotChecked=0, Total=7656 [2025-04-14 16:03:14,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:03:14,238 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:03:14,238 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 5.3977272727272725) internal successors, (475), 88 states have internal predecessors, (475), 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 16:03:14,238 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:03:14,238 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:03:14,238 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:03:14,238 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:03:14,238 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:03:14,238 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:03:14,238 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:03:14,238 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:03:14,238 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:03:14,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:03:14,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:03:14,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-04-14 16:03:14,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:03:14,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-14 16:03:14,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-04-14 16:03:14,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:03:14,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-14 16:03:14,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:03:20,723 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-14 16:03:20,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-04-14 16:03:20,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-04-14 16:03:20,924 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:03:20,925 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:03:20,925 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:03:20,925 INFO L139 ounterexampleChecker]: Examining path program with hash 1528314927, occurence #5 [2025-04-14 16:03:20,925 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:03:20,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:03:20,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:20,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 16:03:20,925 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:03:20,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-14 16:03:20,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:20,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-14 16:03:20,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:20,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 16:03:20,925 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:03:20,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 16:03:20,925 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:20,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 16:03:20,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:20,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 388 [2025-04-14 16:03:20,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:20,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 419 [2025-04-14 16:03:20,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:20,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 426 [2025-04-14 16:03:20,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:20,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2025-04-14 16:03:20,926 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:03:20,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 437 [2025-04-14 16:03:20,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:20,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 441 [2025-04-14 16:03:20,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:20,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 445 [2025-04-14 16:03:20,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:20,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 449 [2025-04-14 16:03:20,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:20,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 451 [2025-04-14 16:03:20,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:20,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 453 [2025-04-14 16:03:20,926 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:03:20,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 458 [2025-04-14 16:03:20,926 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:03:20,926 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 459 [2025-04-14 16:03:20,926 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:03:20,926 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:03:20,927 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:03:20,927 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:03:20,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1575768888, now seen corresponding path program 17 times [2025-04-14 16:03:20,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:03:20,927 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727843812] [2025-04-14 16:03:20,927 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:03:20,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:03:20,956 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 461 statements into 21 equivalence classes. [2025-04-14 16:03:21,711 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) and asserted 461 of 461 statements. [2025-04-14 16:03:21,711 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2025-04-14 16:03:21,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:03:26,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3857 backedges. 3077 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:03:26,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:03:26,753 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727843812] [2025-04-14 16:03:26,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727843812] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:03:26,753 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279123377] [2025-04-14 16:03:26,753 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:03:26,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:03:26,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:03:26,755 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 16:03:26,756 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 16:03:26,972 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 461 statements into 21 equivalence classes. [2025-04-14 16:05:09,704 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) and asserted 461 of 461 statements. [2025-04-14 16:05:09,704 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2025-04-14 16:05:09,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:05:09,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 2090 conjuncts, 89 conjuncts are in the unsatisfiable core [2025-04-14 16:05:09,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:05:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3857 backedges. 2858 proven. 989 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-14 16:05:14,759 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:05:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3857 backedges. 3067 proven. 780 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-14 16:05:18,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279123377] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:05:18,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:05:18,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 86, 86] total 219 [2025-04-14 16:05:18,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380115] [2025-04-14 16:05:18,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:05:18,645 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 220 states [2025-04-14 16:05:18,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:05:18,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 220 interpolants. [2025-04-14 16:05:18,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9245, Invalid=38935, Unknown=0, NotChecked=0, Total=48180 [2025-04-14 16:05:18,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:05:18,649 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:05:18,649 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 220 states, 220 states have (on average 4.840909090909091) internal successors, (1065), 219 states have internal predecessors, (1065), 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 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:05:18,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-14 16:05:18,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-04-14 16:05:18,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:05:21,660 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-04-14 16:05:21,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-14 16:05:21,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-04-14 16:05:21,861 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:05:21,862 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:05:21,862 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:05:21,862 INFO L139 ounterexampleChecker]: Examining path program with hash 1528314927, occurence #6 [2025-04-14 16:05:21,862 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:05:21,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:05:21,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:05:21,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 16:05:21,862 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:05:21,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 16:05:21,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:05:21,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 16:05:21,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:05:21,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 16:05:21,863 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:05:21,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 16:05:21,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:05:21,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 16:05:21,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:05:21,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 395 [2025-04-14 16:05:21,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:05:21,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 426 [2025-04-14 16:05:21,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:05:21,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2025-04-14 16:05:21,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:05:21,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 436 [2025-04-14 16:05:21,863 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:05:21,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 444 [2025-04-14 16:05:21,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:05:21,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 448 [2025-04-14 16:05:21,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:05:21,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 452 [2025-04-14 16:05:21,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:05:21,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 456 [2025-04-14 16:05:21,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:05:21,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 458 [2025-04-14 16:05:21,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:05:21,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 460 [2025-04-14 16:05:21,864 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:05:21,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 465 [2025-04-14 16:05:21,864 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:05:21,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 466 [2025-04-14 16:05:21,864 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:05:21,864 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:05:21,864 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:05:21,864 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:05:21,864 INFO L85 PathProgramCache]: Analyzing trace with hash 629014406, now seen corresponding path program 18 times [2025-04-14 16:05:21,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:05:21,864 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363402946] [2025-04-14 16:05:21,864 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:05:21,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:05:21,899 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 468 statements into 24 equivalence classes. [2025-04-14 16:05:23,957 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) and asserted 468 of 468 statements. [2025-04-14 16:05:23,957 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2025-04-14 16:05:23,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:05:30,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4158 backedges. 3001 proven. 1157 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:05:30,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:05:30,750 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363402946] [2025-04-14 16:05:30,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363402946] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:05:30,750 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892969006] [2025-04-14 16:05:30,750 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:05:30,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:05:30,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:05:30,752 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 16:05:30,755 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 16:05:30,985 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 468 statements into 24 equivalence classes. [2025-04-14 16:05:42,641 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) and asserted 468 of 468 statements. [2025-04-14 16:05:42,642 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2025-04-14 16:05:42,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:05:42,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 2153 conjuncts, 104 conjuncts are in the unsatisfiable core [2025-04-14 16:05:42,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:05:48,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4158 backedges. 2988 proven. 1138 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-04-14 16:05:48,390 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:05:55,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4158 backedges. 3045 proven. 1081 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-04-14 16:05:55,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892969006] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:05:55,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:05:55,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 95, 95] total 285 [2025-04-14 16:05:55,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308627414] [2025-04-14 16:05:55,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:05:55,810 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 286 states [2025-04-14 16:05:55,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:05:55,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 286 interpolants. [2025-04-14 16:05:55,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11614, Invalid=69896, Unknown=0, NotChecked=0, Total=81510 [2025-04-14 16:05:55,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:05:55,819 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:05:55,820 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 286 states, 286 states have (on average 4.678321678321678) internal successors, (1338), 285 states have internal predecessors, (1338), 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 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:05:55,820 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-14 16:05:55,824 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-04-14 16:05:55,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-14 16:05:55,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:02,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-14 16:06:02,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-14 16:06:02,618 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 16:06:02,787 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:02,787 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 16:06:02,787 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:02,788 INFO L139 ounterexampleChecker]: Examining path program with hash 1528314927, occurence #7 [2025-04-14 16:06:02,788 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:06:02,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 16:06:02,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:02,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 16:06:02,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:02,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 16:06:02,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:02,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 16:06:02,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:02,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 16:06:02,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:02,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 16:06:02,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:02,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-14 16:06:02,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:02,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2025-04-14 16:06:02,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:02,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 428 [2025-04-14 16:06:02,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:02,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 435 [2025-04-14 16:06:02,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:02,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 438 [2025-04-14 16:06:02,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:02,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 446 [2025-04-14 16:06:02,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:02,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 450 [2025-04-14 16:06:02,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:02,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 454 [2025-04-14 16:06:02,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:02,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 458 [2025-04-14 16:06:02,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:02,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 460 [2025-04-14 16:06:02,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:02,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 462 [2025-04-14 16:06:02,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:02,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 467 [2025-04-14 16:06:02,789 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:02,789 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 468 [2025-04-14 16:06:02,789 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:02,789 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:06:02,789 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:02,790 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:02,790 INFO L85 PathProgramCache]: Analyzing trace with hash 790595526, now seen corresponding path program 19 times [2025-04-14 16:06:02,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:02,790 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759182977] [2025-04-14 16:06:02,790 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:06:02,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:02,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 470 statements into 1 equivalence classes. [2025-04-14 16:06:03,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 470 of 470 statements. [2025-04-14 16:06:03,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:03,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:10:43,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4253 backedges. 0 proven. 4253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:10:43,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:10:43,174 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759182977] [2025-04-14 16:10:43,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759182977] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:10:43,174 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509756233] [2025-04-14 16:10:43,174 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:10:43,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:10:43,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:10:43,176 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 16:10:43,177 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 16:10:43,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 470 statements into 1 equivalence classes. [2025-04-14 16:10:43,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 470 of 470 statements. [2025-04-14 16:10:43,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:10:43,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:10:43,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 2171 conjuncts, 764 conjuncts are in the unsatisfiable core [2025-04-14 16:10:43,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:13:54,161 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-14 16:13:54,162 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 47 select indices, 47 select index equivalence classes, 0 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 1081 case distinctions, treesize of input 670 treesize of output 106 [2025-04-14 16:13:54,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4253 backedges. 0 proven. 3077 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2025-04-14 16:13:54,184 INFO L312 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2025-04-14 16:15:20,290 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2025-04-14 16:15:20,303 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 16:15:20,308 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 16:15:20,308 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 16:15:20,330 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 16:15:20,491 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:15:20,491 WARN L610 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 471 with TraceHistMax 48,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 506 known predicates. [2025-04-14 16:15:20,491 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-04-14 16:15:20,491 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-04-14 16:15:20,493 INFO L422 BasicCegarLoop]: Path program histogram: [19, 1, 1] [2025-04-14 16:15:20,493 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT,TIMEOUT,TIMEOUT (2/3) [2025-04-14 16:15:20,494 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 16:15:20,494 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 16:15:20,502 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 16:15:20,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 04:15:20 BasicIcfg [2025-04-14 16:15:20,503 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 16:15:20,504 INFO L158 Benchmark]: Toolchain (without parser) took 832012.47ms. Allocated memory was 155.2MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 110.8MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2025-04-14 16:15:20,504 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 16:15:20,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.79ms. Allocated memory is still 155.2MB. Free memory was 110.0MB in the beginning and 94.1MB in the end (delta: 16.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-14 16:15:20,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.50ms. Allocated memory is still 155.2MB. Free memory was 94.1MB in the beginning and 90.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 16:15:20,505 INFO L158 Benchmark]: Boogie Preprocessor took 32.81ms. Allocated memory is still 155.2MB. Free memory was 90.8MB in the beginning and 89.0MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 16:15:20,505 INFO L158 Benchmark]: IcfgBuilder took 816.19ms. Allocated memory is still 155.2MB. Free memory was 89.0MB in the beginning and 69.9MB in the end (delta: 19.2MB). Peak memory consumption was 70.3MB. Max. memory is 8.0GB. [2025-04-14 16:15:20,506 INFO L158 Benchmark]: TraceAbstraction took 830840.85ms. Allocated memory was 155.2MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 69.9MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2025-04-14 16:15:20,507 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 286.79ms. Allocated memory is still 155.2MB. Free memory was 110.0MB in the beginning and 94.1MB in the end (delta: 16.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.50ms. Allocated memory is still 155.2MB. Free memory was 94.1MB in the beginning and 90.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.81ms. Allocated memory is still 155.2MB. Free memory was 90.8MB in the beginning and 89.0MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * IcfgBuilder took 816.19ms. Allocated memory is still 155.2MB. Free memory was 89.0MB in the beginning and 69.9MB in the end (delta: 19.2MB). Peak memory consumption was 70.3MB. Max. memory is 8.0GB. * TraceAbstraction took 830840.85ms. Allocated memory was 155.2MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 69.9MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.4GB. 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: 7294, independent: 6882, independent conditional: 3572, independent unconditional: 3310, dependent: 412, dependent conditional: 383, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6926, independent: 6882, independent conditional: 3572, independent unconditional: 3310, dependent: 44, dependent conditional: 15, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6926, independent: 6882, independent conditional: 3572, independent unconditional: 3310, dependent: 44, dependent conditional: 15, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6926, independent: 6882, independent conditional: 3572, independent unconditional: 3310, dependent: 44, dependent conditional: 15, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6926, independent: 6882, independent conditional: 0, independent unconditional: 6882, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6926, independent: 6882, independent conditional: 0, independent unconditional: 6882, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3235, independent: 3206, independent conditional: 0, independent unconditional: 3206, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3235, independent: 3201, independent conditional: 0, independent unconditional: 3201, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 34, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 712, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 612, dependent conditional: 0, dependent unconditional: 612, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 6926, independent: 3676, independent conditional: 0, independent unconditional: 3676, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 3235, unknown conditional: 0, unknown unconditional: 3235] , Statistics on independence cache: Total cache size (in pairs): 3235, Positive cache size: 3206, Positive conditional cache size: 0, Positive unconditional cache size: 3206, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3587, Maximal queried relation: 0, Independence queries for same thread: 368, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 257, Number of trivial persistent sets: 15, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3339, independent: 3310, independent conditional: 0, independent unconditional: 3310, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7294, independent: 6882, independent conditional: 3572, independent unconditional: 3310, dependent: 412, dependent conditional: 383, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6926, independent: 6882, independent conditional: 3572, independent unconditional: 3310, dependent: 44, dependent conditional: 15, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6926, independent: 6882, independent conditional: 3572, independent unconditional: 3310, dependent: 44, dependent conditional: 15, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6926, independent: 6882, independent conditional: 3572, independent unconditional: 3310, dependent: 44, dependent conditional: 15, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6926, independent: 6882, independent conditional: 0, independent unconditional: 6882, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6926, independent: 6882, independent conditional: 0, independent unconditional: 6882, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3235, independent: 3206, independent conditional: 0, independent unconditional: 3206, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3235, independent: 3201, independent conditional: 0, independent unconditional: 3201, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 34, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 712, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 612, dependent conditional: 0, dependent unconditional: 612, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 6926, independent: 3676, independent conditional: 0, independent unconditional: 3676, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 3235, unknown conditional: 0, unknown unconditional: 3235] , Statistics on independence cache: Total cache size (in pairs): 3235, Positive cache size: 3206, Positive conditional cache size: 0, Positive unconditional cache size: 3206, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3587, Maximal queried relation: 0, Independence queries for same thread: 368 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 316080, independent: 269386, independent conditional: 264038, independent unconditional: 5348, dependent: 46694, dependent conditional: 46659, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 270355, independent: 269386, independent conditional: 264038, independent unconditional: 5348, dependent: 969, dependent conditional: 934, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 270355, independent: 269386, independent conditional: 264038, independent unconditional: 5348, dependent: 969, dependent conditional: 934, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 272242, independent: 269386, independent conditional: 264038, independent unconditional: 5348, dependent: 2856, dependent conditional: 2821, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 272242, independent: 269386, independent conditional: 0, independent unconditional: 269386, dependent: 2856, dependent conditional: 1312, dependent unconditional: 1544, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 272242, independent: 269386, independent conditional: 0, independent unconditional: 269386, dependent: 2856, dependent conditional: 1312, dependent unconditional: 1544, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1862, independent: 1793, independent conditional: 0, independent unconditional: 1793, dependent: 69, dependent conditional: 59, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1862, independent: 1792, independent conditional: 0, independent unconditional: 1792, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 70, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 69, dependent conditional: 59, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 69, dependent conditional: 59, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 694, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 672, dependent conditional: 497, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 1, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 272242, independent: 267593, independent conditional: 0, independent unconditional: 267593, dependent: 2787, dependent conditional: 1253, dependent unconditional: 1534, unknown: 1862, unknown conditional: 59, unknown unconditional: 1803] , Statistics on independence cache: Total cache size (in pairs): 5098, Positive cache size: 5000, Positive conditional cache size: 1, Positive unconditional cache size: 4999, Negative cache size: 98, Negative conditional cache size: 59, Negative unconditional cache size: 39, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 265547, Maximal queried relation: 9, Independence queries for same thread: 45725, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 5221, Number of trivial persistent sets: 5198, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5383, independent: 5348, independent conditional: 0, independent unconditional: 5348, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 316080, independent: 269386, independent conditional: 264038, independent unconditional: 5348, dependent: 46694, dependent conditional: 46659, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 270355, independent: 269386, independent conditional: 264038, independent unconditional: 5348, dependent: 969, dependent conditional: 934, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 270355, independent: 269386, independent conditional: 264038, independent unconditional: 5348, dependent: 969, dependent conditional: 934, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 272242, independent: 269386, independent conditional: 264038, independent unconditional: 5348, dependent: 2856, dependent conditional: 2821, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 272242, independent: 269386, independent conditional: 0, independent unconditional: 269386, dependent: 2856, dependent conditional: 1312, dependent unconditional: 1544, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 272242, independent: 269386, independent conditional: 0, independent unconditional: 269386, dependent: 2856, dependent conditional: 1312, dependent unconditional: 1544, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1862, independent: 1793, independent conditional: 0, independent unconditional: 1793, dependent: 69, dependent conditional: 59, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1862, independent: 1792, independent conditional: 0, independent unconditional: 1792, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 70, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 69, dependent conditional: 59, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 69, dependent conditional: 59, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 694, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 672, dependent conditional: 497, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 1, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 272242, independent: 267593, independent conditional: 0, independent unconditional: 267593, dependent: 2787, dependent conditional: 1253, dependent unconditional: 1534, unknown: 1862, unknown conditional: 59, unknown unconditional: 1803] , Statistics on independence cache: Total cache size (in pairs): 5098, Positive cache size: 5000, Positive conditional cache size: 1, Positive unconditional cache size: 4999, Negative cache size: 98, Negative conditional cache size: 59, Negative unconditional cache size: 39, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 265547, Maximal queried relation: 9, Independence queries for same thread: 45725 - TimeoutResultAtElement [Line: 166]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 471 with TraceHistMax 48,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 506 known predicates. - TimeoutResultAtElement [Line: 160]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 471 with TraceHistMax 48,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 506 known predicates. - TimeoutResultAtElement [Line: 161]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 471 with TraceHistMax 48,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 506 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread4Thread1of1ForFork2 with 1 thread instances CFG has 13 procedures, 122 locations, 154 edges, 11 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 1.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 122 locations, 154 edges, 11 error locations. Started 1 CEGAR loops. OverallTime: 829.6s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 19, EmptinessCheckTime: 38.6s, 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: 818, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 129.7s SatisfiabilityAnalysisTime, 97.1s InterpolantComputationTime, 9044 NumberOfCodeBlocks, 8298 NumberOfCodeBlocksAsserted, 242 NumberOfCheckSat, 13317 ConstructedInterpolants, 0 QuantifiedInterpolants, 76261 SizeOfPredicates, 186 NumberOfNonLiveVariables, 18871 ConjunctsInSsa, 844 ConjunctsInUnsatCore, 53 InterpolantComputations, 6 PerfectInterpolantSequences, 50111/71385 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 206, ConditionCalculationTime [ms]: 11, ConditionCalculations: 156, QuantifiedConditions: 0, TraceChecks: 1, UnknownTraceChecks: 0, UnsatisfiedConditions: 1, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown