/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --preprocessor.replace.while.statements.and.if-then-else.statements false -i ../../../trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 16:06:27,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 16:06:27,363 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 16:06:27,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 16:06:27,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 16:06:27,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 16:06:27,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 16:06:27,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 16:06:27,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 16:06:27,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 16:06:27,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 16:06:27,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 16:06:27,393 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 16:06:27,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 16:06:27,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 16:06:27,393 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 16:06:27,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 16:06:27,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 16:06:27,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 16:06:27,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 16:06:27,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 16:06:27,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 16:06:27,393 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 16:06:27,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 16:06:27,394 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 16:06:27,394 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 16:06:27,394 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 16:06:27,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 16:06:27,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 16:06:27,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 16:06:27,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:06:27,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 16:06:27,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 16:06:27,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 16:06:27,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 16:06:27,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:06:27,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 16:06:27,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 16:06:27,395 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 16:06:27,395 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 16:06:27,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 16:06:27,396 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 16:06:27,396 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 16:06:27,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 16:06:27,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 16:06:27,396 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 16:06:27,396 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 16:06:27,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false [2025-04-14 16:06:27,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 16:06:27,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 16:06:27,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 16:06:27,621 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 16:06:27,622 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 16:06:27,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c [2025-04-14 16:06:28,968 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a656bb1f0/36ac05d612e3473e9df36a5b0ed530d3/FLAGc1a1d8cc4 [2025-04-14 16:06:29,195 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 16:06:29,196 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c [2025-04-14 16:06:29,203 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a656bb1f0/36ac05d612e3473e9df36a5b0ed530d3/FLAGc1a1d8cc4 [2025-04-14 16:06:29,969 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a656bb1f0/36ac05d612e3473e9df36a5b0ed530d3 [2025-04-14 16:06:29,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 16:06:29,972 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 16:06:29,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 16:06:29,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 16:06:29,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 16:06:29,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 04:06:29" (1/1) ... [2025-04-14 16:06:29,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e8f3345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:29, skipping insertion in model container [2025-04-14 16:06:29,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 04:06:29" (1/1) ... [2025-04-14 16:06:29,996 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 16:06:30,186 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c[5161,5174] [2025-04-14 16:06:30,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 16:06:30,207 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 16:06:30,249 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c[5161,5174] [2025-04-14 16:06:30,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 16:06:30,269 INFO L204 MainTranslator]: Completed translation [2025-04-14 16:06:30,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:30 WrapperNode [2025-04-14 16:06:30,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 16:06:30,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 16:06:30,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 16:06:30,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 16:06:30,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:30" (1/1) ... [2025-04-14 16:06:30,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:30" (1/1) ... [2025-04-14 16:06:30,311 INFO L138 Inliner]: procedures = 24, calls = 53, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 325 [2025-04-14 16:06:30,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 16:06:30,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 16:06:30,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 16:06:30,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 16:06:30,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:30" (1/1) ... [2025-04-14 16:06:30,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:30" (1/1) ... [2025-04-14 16:06:30,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:30" (1/1) ... [2025-04-14 16:06:30,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:30" (1/1) ... [2025-04-14 16:06:30,326 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:30" (1/1) ... [2025-04-14 16:06:30,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:30" (1/1) ... [2025-04-14 16:06:30,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:30" (1/1) ... [2025-04-14 16:06:30,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:30" (1/1) ... [2025-04-14 16:06:30,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 16:06:30,336 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-14 16:06:30,336 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-14 16:06:30,336 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-14 16:06:30,336 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:30" (1/1) ... [2025-04-14 16:06:30,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 16:06:30,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:30,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 16:06:30,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 16:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 16:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-14 16:06:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-14 16:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-14 16:06:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-14 16:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-14 16:06:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-14 16:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 16:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 16:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 16:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 16:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 16:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 16:06:30,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 16:06:30,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 16:06:30,382 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 16:06:30,450 INFO L256 CfgBuilder]: Building ICFG [2025-04-14 16:06:30,452 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 16:06:30,790 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 16:06:30,791 INFO L307 CfgBuilder]: Performing block encoding [2025-04-14 16:06:31,037 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 16:06:31,038 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 16:06:31,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 04:06:31 BoogieIcfgContainer [2025-04-14 16:06:31,038 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-14 16:06:31,039 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 16:06:31,039 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 16:06:31,043 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 16:06:31,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 04:06:29" (1/3) ... [2025-04-14 16:06:31,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc84eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 04:06:31, skipping insertion in model container [2025-04-14 16:06:31,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 04:06:30" (2/3) ... [2025-04-14 16:06:31,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc84eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 04:06:31, skipping insertion in model container [2025-04-14 16:06:31,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 04:06:31" (3/3) ... [2025-04-14 16:06:31,045 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-1.wvr-bad.c [2025-04-14 16:06:31,055 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 16:06:31,057 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-commit-1.wvr-bad.c that has 4 procedures, 45 locations, 58 edges, 1 initial locations, 6 loop locations, and 1 error locations. [2025-04-14 16:06:31,057 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 16:06:31,103 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-14 16:06:31,136 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 16:06:31,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 16:06:31,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:31,139 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 16:06:31,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 16:06:31,205 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 16:06:31,219 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 16:06:31,226 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;@113d9a73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 16:06:31,226 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-04-14 16:06:31,397 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:31,397 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:31,397 INFO L139 ounterexampleChecker]: Examining path program with hash -881869739, occurence #1 [2025-04-14 16:06:31,397 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:31,397 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:31,402 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:31,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2041670095, now seen corresponding path program 1 times [2025-04-14 16:06:31,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:31,408 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705514356] [2025-04-14 16:06:31,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:31,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:31,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-14 16:06:31,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-14 16:06:31,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:31,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:31,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:06:31,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:31,599 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705514356] [2025-04-14 16:06:31,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705514356] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:31,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:31,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 16:06:31,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722449975] [2025-04-14 16:06:31,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:31,603 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-14 16:06:31,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:31,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-14 16:06:31,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-14 16:06:31,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:31,619 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:31,621 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:31,622 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:32,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:32,785 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 16:06:32,785 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:32,785 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:32,785 INFO L139 ounterexampleChecker]: Examining path program with hash 964360069, occurence #1 [2025-04-14 16:06:32,785 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:32,785 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:32,786 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:32,786 INFO L85 PathProgramCache]: Analyzing trace with hash -320638140, now seen corresponding path program 1 times [2025-04-14 16:06:32,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:32,786 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656695528] [2025-04-14 16:06:32,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:32,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:32,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-04-14 16:06:32,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-04-14 16:06:32,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:32,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:33,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 16:06:33,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:33,089 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656695528] [2025-04-14 16:06:33,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656695528] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:33,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:33,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 16:06:33,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946115589] [2025-04-14 16:06:33,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:33,090 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:06:33,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:33,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:06:33,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:06:33,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:33,091 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:33,091 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:33,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:33,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:33,277 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:33,278 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:33,278 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 16:06:33,278 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:33,278 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:33,278 INFO L139 ounterexampleChecker]: Examining path program with hash -1126710300, occurence #1 [2025-04-14 16:06:33,278 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:33,278 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:33,279 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:33,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1302281160, now seen corresponding path program 2 times [2025-04-14 16:06:33,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:33,279 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771493145] [2025-04-14 16:06:33,279 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:06:33,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:33,303 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 121 statements into 2 equivalence classes. [2025-04-14 16:06:33,317 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 101 of 121 statements. [2025-04-14 16:06:33,317 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 16:06:33,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 16:06:33,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:33,429 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771493145] [2025-04-14 16:06:33,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771493145] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:33,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:33,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:06:33,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497599226] [2025-04-14 16:06:33,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:33,430 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:06:33,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:33,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:06:33,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:06:33,431 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:33,431 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:33,431 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:33,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:33,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:33,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:33,555 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:33,555 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:33,556 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:33,556 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 16:06:33,556 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:33,556 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:33,556 INFO L139 ounterexampleChecker]: Examining path program with hash 1294141499, occurence #1 [2025-04-14 16:06:33,556 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:33,556 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:33,557 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:33,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1509258444, now seen corresponding path program 3 times [2025-04-14 16:06:33,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:33,557 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078725569] [2025-04-14 16:06:33,557 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:06:33,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:33,575 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 157 statements into 4 equivalence classes. [2025-04-14 16:06:33,587 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 98 of 157 statements. [2025-04-14 16:06:33,587 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-14 16:06:33,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:33,678 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-04-14 16:06:33,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:33,679 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078725569] [2025-04-14 16:06:33,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078725569] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:33,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:33,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:06:33,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80570648] [2025-04-14 16:06:33,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:33,679 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:06:33,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:33,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:06:33,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:06:33,694 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:33,694 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:33,695 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:33,695 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:33,695 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:33,695 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:33,695 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:33,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:33,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:33,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:33,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:33,808 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-14 16:06:33,808 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:33,808 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:33,808 INFO L139 ounterexampleChecker]: Examining path program with hash 614515818, occurence #1 [2025-04-14 16:06:33,808 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:33,808 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:33,808 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:33,809 INFO L85 PathProgramCache]: Analyzing trace with hash 697673432, now seen corresponding path program 4 times [2025-04-14 16:06:33,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:33,809 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725722250] [2025-04-14 16:06:33,809 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:06:33,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:33,831 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 209 statements into 2 equivalence classes. [2025-04-14 16:06:33,837 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 161 of 209 statements. [2025-04-14 16:06:33,837 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-14 16:06:33,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:33,930 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-04-14 16:06:33,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:33,930 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725722250] [2025-04-14 16:06:33,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725722250] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:33,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:33,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:06:33,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376479612] [2025-04-14 16:06:33,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:33,930 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:06:33,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:33,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:06:33,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:06:33,931 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:33,931 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:33,931 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:33,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:33,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:33,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:33,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:33,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,011 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,011 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,011 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,011 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,012 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-14 16:06:34,012 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:34,012 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:34,013 INFO L139 ounterexampleChecker]: Examining path program with hash 1225228484, occurence #1 [2025-04-14 16:06:34,013 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:34,013 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:34,013 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:34,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1793450829, now seen corresponding path program 5 times [2025-04-14 16:06:34,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:34,013 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35981311] [2025-04-14 16:06:34,013 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:06:34,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:34,028 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 133 statements into 5 equivalence classes. [2025-04-14 16:06:34,073 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 94 of 133 statements. [2025-04-14 16:06:34,073 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-14 16:06:34,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:34,122 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-04-14 16:06:34,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:34,122 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35981311] [2025-04-14 16:06:34,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35981311] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:34,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:34,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:06:34,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884048800] [2025-04-14 16:06:34,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:34,123 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:06:34,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:34,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:06:34,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:06:34,123 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,123 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:34,123 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:34,123 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,123 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,123 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,123 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,123 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,123 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,209 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,209 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,209 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,209 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,209 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,209 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,210 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-04-14 16:06:34,210 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:34,210 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:34,210 INFO L139 ounterexampleChecker]: Examining path program with hash -944303341, occurence #1 [2025-04-14 16:06:34,210 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:34,210 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:34,210 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:34,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1306545762, now seen corresponding path program 6 times [2025-04-14 16:06:34,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:34,211 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899563475] [2025-04-14 16:06:34,211 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:06:34,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:34,220 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 131 statements into 5 equivalence classes. [2025-04-14 16:06:34,226 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 29 of 131 statements. [2025-04-14 16:06:34,226 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-14 16:06:34,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:34,289 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-04-14 16:06:34,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:34,289 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899563475] [2025-04-14 16:06:34,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899563475] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:34,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:34,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:06:34,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072988343] [2025-04-14 16:06:34,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:34,289 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:06:34,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:34,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:06:34,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 16:06:34,290 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,290 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:34,290 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:34,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:34,358 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-14 16:06:34,358 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:34,358 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:34,358 INFO L139 ounterexampleChecker]: Examining path program with hash -944303341, occurence #2 [2025-04-14 16:06:34,358 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:06:34,358 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 16:06:34,359 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:34,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 16:06:34,359 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:34,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 16:06:34,359 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:34,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 16:06:34,359 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:34,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 16:06:34,359 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:34,359 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 16:06:34,421 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:34,421 INFO L85 PathProgramCache]: Analyzing trace with hash 202796603, now seen corresponding path program 1 times [2025-04-14 16:06:34,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:34,422 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685160097] [2025-04-14 16:06:34,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:34,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:34,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-04-14 16:06:34,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-04-14 16:06:34,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:34,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:34,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 16:06:34,487 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:34,488 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685160097] [2025-04-14 16:06:34,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685160097] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:34,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:34,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:06:34,489 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 21. Constructing proof automaton... [2025-04-14 16:06:34,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:34,489 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-14 16:06:34,489 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:06:34,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-14 16:06:34,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:06:34,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:06:34,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,490 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:34,490 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:34,490 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,490 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,490 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,490 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,490 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,490 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,490 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:34,490 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,652 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:34,652 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,652 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-04-14 16:06:34,652 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:34,652 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:34,652 INFO L139 ounterexampleChecker]: Examining path program with hash 557572445, occurence #1 [2025-04-14 16:06:34,652 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:34,652 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:34,652 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:34,653 INFO L85 PathProgramCache]: Analyzing trace with hash 801500388, now seen corresponding path program 1 times [2025-04-14 16:06:34,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:34,653 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629125987] [2025-04-14 16:06:34,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:34,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:34,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-04-14 16:06:34,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-04-14 16:06:34,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:34,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-04-14 16:06:34,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:34,756 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629125987] [2025-04-14 16:06:34,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629125987] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:34,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:34,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:06:34,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748497061] [2025-04-14 16:06:34,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:34,757 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:06:34,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:34,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:06:34,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:06:34,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,757 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:34,757 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) 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 16:06:34,757 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:34,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,916 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:34,916 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,916 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,916 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,916 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,916 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,916 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:34,916 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,917 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:34,917 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-04-14 16:06:34,917 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:34,917 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:34,917 INFO L139 ounterexampleChecker]: Examining path program with hash 948456444, occurence #1 [2025-04-14 16:06:34,917 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:34,917 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:34,918 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:34,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1939967876, now seen corresponding path program 1 times [2025-04-14 16:06:34,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:34,918 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257669823] [2025-04-14 16:06:34,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:34,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:34,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-04-14 16:06:34,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-04-14 16:06:34,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:34,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:35,008 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-04-14 16:06:35,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:35,008 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257669823] [2025-04-14 16:06:35,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257669823] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:35,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:35,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:06:35,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112275341] [2025-04-14 16:06:35,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:35,008 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:06:35,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:35,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:06:35,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:06:35,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,009 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:35,010 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:35,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:35,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,119 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,119 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,119 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,119 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,119 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,119 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,119 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:35,119 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,119 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,120 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,120 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-04-14 16:06:35,120 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:35,120 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:35,120 INFO L139 ounterexampleChecker]: Examining path program with hash 1746786497, occurence #1 [2025-04-14 16:06:35,120 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:35,120 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:35,120 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:35,121 INFO L85 PathProgramCache]: Analyzing trace with hash -839718591, now seen corresponding path program 2 times [2025-04-14 16:06:35,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:35,121 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206616118] [2025-04-14 16:06:35,121 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:06:35,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:35,137 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 283 statements into 2 equivalence classes. [2025-04-14 16:06:35,176 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 283 of 283 statements. [2025-04-14 16:06:35,176 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:06:35,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:35,264 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2025-04-14 16:06:35,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:35,265 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206616118] [2025-04-14 16:06:35,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206616118] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:35,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:35,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:06:35,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006059143] [2025-04-14 16:06:35,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:35,265 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:06:35,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:35,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:06:35,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:06:35,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,266 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:35,266 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:35,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:35,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,350 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,350 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,350 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,350 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,350 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,350 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,350 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:35,350 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,350 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,350 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,351 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,351 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-04-14 16:06:35,351 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:35,351 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:35,352 INFO L139 ounterexampleChecker]: Examining path program with hash -2059465848, occurence #1 [2025-04-14 16:06:35,352 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:35,352 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:35,352 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:35,353 INFO L85 PathProgramCache]: Analyzing trace with hash 213151195, now seen corresponding path program 2 times [2025-04-14 16:06:35,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:35,353 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556717676] [2025-04-14 16:06:35,353 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:06:35,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:35,369 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 220 statements into 2 equivalence classes. [2025-04-14 16:06:35,376 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 39 of 220 statements. [2025-04-14 16:06:35,376 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 16:06:35,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2025-04-14 16:06:35,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:35,450 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556717676] [2025-04-14 16:06:35,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556717676] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:35,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:35,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 16:06:35,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655677513] [2025-04-14 16:06:35,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:35,451 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:06:35,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:35,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:06:35,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 16:06:35,451 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,451 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:35,452 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:35,452 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,452 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,452 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,452 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,452 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,452 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,452 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:35,452 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,452 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,452 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,452 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,452 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:35,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:35,530 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-04-14 16:06:35,530 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:35,530 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:35,530 INFO L139 ounterexampleChecker]: Examining path program with hash -2059465848, occurence #2 [2025-04-14 16:06:35,530 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:06:35,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 16:06:35,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:35,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 16:06:35,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:35,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 16:06:35,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:35,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 16:06:35,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:35,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 16:06:35,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:35,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 16:06:35,576 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:35,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1709203486, now seen corresponding path program 1 times [2025-04-14 16:06:35,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:35,576 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846541722] [2025-04-14 16:06:35,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:35,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:35,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-04-14 16:06:35,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-04-14 16:06:35,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:35,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:35,594 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:35,594 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:35,594 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 16:06:35,655 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:35,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1688655637, now seen corresponding path program 1 times [2025-04-14 16:06:35,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:35,655 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987571179] [2025-04-14 16:06:35,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:35,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:35,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-14 16:06:35,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-14 16:06:35,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:35,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 16:06:35,736 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:35,736 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987571179] [2025-04-14 16:06:35,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987571179] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:35,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:35,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:06:35,736 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 31. Constructing proof automaton... [2025-04-14 16:06:35,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:35,736 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-14 16:06:35,736 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:06:35,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-14 16:06:35,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:06:35,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 16:06:35,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,737 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:35,737 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:35,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:35,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:35,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,809 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:35,809 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,809 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,809 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,809 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,809 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,809 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:35,809 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,809 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,809 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,809 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:35,809 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:35,810 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:35,810 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2025-04-14 16:06:35,811 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:35,811 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:35,811 INFO L139 ounterexampleChecker]: Examining path program with hash -2059465848, occurence #3 [2025-04-14 16:06:35,811 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:06:35,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 16:06:35,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:35,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 16:06:35,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:35,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 16:06:35,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:35,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 16:06:35,811 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:35,811 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:06:35,812 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:35,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 16:06:35,857 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:35,857 INFO L85 PathProgramCache]: Analyzing trace with hash 646603680, now seen corresponding path program 1 times [2025-04-14 16:06:35,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:35,858 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186425695] [2025-04-14 16:06:35,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:35,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:35,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-04-14 16:06:35,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-04-14 16:06:35,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:35,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:35,874 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:35,874 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:35,874 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 16:06:35,918 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:35,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1515212905, now seen corresponding path program 1 times [2025-04-14 16:06:35,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:35,918 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554711119] [2025-04-14 16:06:35,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:35,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:35,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-04-14 16:06:35,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-04-14 16:06:35,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:35,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:35,945 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:35,945 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:35,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-14 16:06:35,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:35,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-14 16:06:35,992 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:35,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1735594841, now seen corresponding path program 1 times [2025-04-14 16:06:35,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:35,993 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151029587] [2025-04-14 16:06:35,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:35,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:36,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-04-14 16:06:36,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-04-14 16:06:36,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:36,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-14 16:06:36,337 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:36,337 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151029587] [2025-04-14 16:06:36,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151029587] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:36,337 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [512561791] [2025-04-14 16:06:36,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:36,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:36,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-04-14 16:06:36,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-04-14 16:06:36,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:36,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:36,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 16:06:36,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-14 16:06:36,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [512561791] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:36,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:36,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 16:06:36,534 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:36,534 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-04-14 16:06:36,534 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:36,534 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-04-14 16:06:36,534 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:36,534 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2025-04-14 16:06:36,535 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:36,535 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2025-04-14 16:06:36,535 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:36,535 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2025-04-14 16:06:36,535 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:36,535 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2025-04-14 16:06:36,535 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:36,535 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:06:36,535 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:36,535 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:36,535 INFO L85 PathProgramCache]: Analyzing trace with hash -626291943, now seen corresponding path program 1 times [2025-04-14 16:06:36,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:36,535 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488151695] [2025-04-14 16:06:36,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:36,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:36,550 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 222 statements into 1 equivalence classes. [2025-04-14 16:06:36,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 222 of 222 statements. [2025-04-14 16:06:36,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:36,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2025-04-14 16:06:36,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:36,930 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488151695] [2025-04-14 16:06:36,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488151695] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:36,930 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678332548] [2025-04-14 16:06:36,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:36,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:36,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:36,934 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:06:36,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-14 16:06:37,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 222 statements into 1 equivalence classes. [2025-04-14 16:06:37,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 222 of 222 statements. [2025-04-14 16:06:37,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:37,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:37,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 16:06:37,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:37,216 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2025-04-14 16:06:37,216 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:06:37,367 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2025-04-14 16:06:37,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678332548] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:06:37,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:06:37,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-04-14 16:06:37,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187308988] [2025-04-14 16:06:37,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:06:37,368 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-14 16:06:37,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:37,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-14 16:06:37,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-04-14 16:06:37,369 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:37,369 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:37,369 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:37,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:37,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:37,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:37,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:37,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:37,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:37,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-14 16:06:37,749 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-04-14 16:06:37,750 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:37,750 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:37,750 INFO L139 ounterexampleChecker]: Examining path program with hash -2059465848, occurence #4 [2025-04-14 16:06:37,750 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:06:37,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 16:06:37,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:37,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 16:06:37,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:37,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 16:06:37,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:37,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 16:06:37,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:37,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 16:06:37,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:37,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-14 16:06:37,799 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:37,799 INFO L85 PathProgramCache]: Analyzing trace with hash -612001384, now seen corresponding path program 1 times [2025-04-14 16:06:37,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:37,799 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945196543] [2025-04-14 16:06:37,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:37,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:37,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-04-14 16:06:37,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-04-14 16:06:37,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:37,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:37,836 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:37,836 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:37,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 16:06:37,885 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:37,886 INFO L85 PathProgramCache]: Analyzing trace with hash -844750513, now seen corresponding path program 1 times [2025-04-14 16:06:37,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:37,886 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891771863] [2025-04-14 16:06:37,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:37,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:37,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-04-14 16:06:37,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-14 16:06:37,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:37,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:37,915 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:37,915 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:37,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 16:06:37,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:37,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 156 [2025-04-14 16:06:37,965 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:37,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1581734295, now seen corresponding path program 1 times [2025-04-14 16:06:37,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:37,965 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206375896] [2025-04-14 16:06:37,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:37,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:37,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-04-14 16:06:37,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-04-14 16:06:37,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:37,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:38,215 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-04-14 16:06:38,215 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:38,216 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206375896] [2025-04-14 16:06:38,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206375896] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:38,216 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [61324217] [2025-04-14 16:06:38,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:38,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:38,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-04-14 16:06:38,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-04-14 16:06:38,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:38,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:38,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 16:06:38,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:38,407 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-04-14 16:06:38,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [61324217] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:38,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:38,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2025-04-14 16:06:38,407 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:38,407 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2025-04-14 16:06:38,407 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:38,407 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-04-14 16:06:38,407 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:38,408 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2025-04-14 16:06:38,408 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:38,408 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2025-04-14 16:06:38,408 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:38,408 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-04-14 16:06:38,408 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:38,408 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2025-04-14 16:06:38,408 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:38,408 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:06:38,408 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:38,408 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:38,408 INFO L85 PathProgramCache]: Analyzing trace with hash 2078406796, now seen corresponding path program 2 times [2025-04-14 16:06:38,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:38,408 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876162505] [2025-04-14 16:06:38,408 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:06:38,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:38,422 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 223 statements into 2 equivalence classes. [2025-04-14 16:06:38,490 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 223 of 223 statements. [2025-04-14 16:06:38,490 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:06:38,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:38,784 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2025-04-14 16:06:38,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:38,784 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876162505] [2025-04-14 16:06:38,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876162505] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:38,784 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540086134] [2025-04-14 16:06:38,784 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:06:38,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:38,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:38,786 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:06:38,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-14 16:06:38,861 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 223 statements into 2 equivalence classes. [2025-04-14 16:06:38,927 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 223 of 223 statements. [2025-04-14 16:06:38,928 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:06:38,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:38,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-14 16:06:38,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:38,984 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2025-04-14 16:06:38,984 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 16:06:38,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540086134] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:38,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 16:06:38,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-04-14 16:06:38,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101905591] [2025-04-14 16:06:38,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:38,985 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:06:38,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:38,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:06:38,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-04-14 16:06:38,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:38,985 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:38,986 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:38,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:39,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:39,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:39,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:39,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:39,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:39,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:39,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:39,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:39,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:39,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:39,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:39,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:39,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:39,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:39,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:39,246 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 16:06:39,439 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:39,440 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:39,440 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:39,440 INFO L139 ounterexampleChecker]: Examining path program with hash 1504075543, occurence #1 [2025-04-14 16:06:39,440 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:39,440 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:39,440 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:39,440 INFO L85 PathProgramCache]: Analyzing trace with hash -167582676, now seen corresponding path program 3 times [2025-04-14 16:06:39,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:39,441 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815723467] [2025-04-14 16:06:39,441 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:06:39,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:39,460 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 275 statements into 9 equivalence classes. [2025-04-14 16:06:39,474 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 275 statements. [2025-04-14 16:06:39,474 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 16:06:39,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:39,557 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2025-04-14 16:06:39,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:39,557 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815723467] [2025-04-14 16:06:39,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815723467] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:39,557 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033284500] [2025-04-14 16:06:39,557 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:06:39,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:39,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:39,559 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:06:39,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-14 16:06:39,639 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 275 statements into 9 equivalence classes. [2025-04-14 16:06:39,671 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 275 statements. [2025-04-14 16:06:39,671 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 16:06:39,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:39,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-14 16:06:39,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:39,876 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2025-04-14 16:06:39,876 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:06:40,096 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2025-04-14 16:06:40,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033284500] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:06:40,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:06:40,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-04-14 16:06:40,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714660445] [2025-04-14 16:06:40,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:06:40,097 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-14 16:06:40,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:40,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-14 16:06:40,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-04-14 16:06:40,098 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:40,098 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:40,098 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:40,098 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:40,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:40,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:40,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-14 16:06:40,431 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:40,431 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:40,431 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:40,432 INFO L139 ounterexampleChecker]: Examining path program with hash 1504075543, occurence #2 [2025-04-14 16:06:40,432 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:06:40,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 16:06:40,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:40,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 16:06:40,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:40,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 16:06:40,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:40,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:06:40,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:40,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 16:06:40,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:40,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 16:06:40,473 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:40,473 INFO L85 PathProgramCache]: Analyzing trace with hash 14752501, now seen corresponding path program 1 times [2025-04-14 16:06:40,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:40,473 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830286203] [2025-04-14 16:06:40,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:40,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:40,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-14 16:06:40,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-14 16:06:40,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:40,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:40,494 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:40,494 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:40,494 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 16:06:40,537 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:40,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1355189332, now seen corresponding path program 1 times [2025-04-14 16:06:40,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:40,537 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058606827] [2025-04-14 16:06:40,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:40,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:40,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-14 16:06:40,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-14 16:06:40,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:40,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:40,563 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:40,564 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:40,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-14 16:06:40,630 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:40,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1890671757, now seen corresponding path program 1 times [2025-04-14 16:06:40,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:40,630 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648977673] [2025-04-14 16:06:40,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:40,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:40,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-04-14 16:06:40,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-04-14 16:06:40,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:40,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:40,656 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:40,656 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:40,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-04-14 16:06:40,697 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:40,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1751186633, now seen corresponding path program 1 times [2025-04-14 16:06:40,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:40,697 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245092476] [2025-04-14 16:06:40,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:40,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:40,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-04-14 16:06:40,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-04-14 16:06:40,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:40,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-04-14 16:06:40,993 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:40,993 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245092476] [2025-04-14 16:06:40,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245092476] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:40,993 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [725936365] [2025-04-14 16:06:40,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:40,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:41,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-04-14 16:06:41,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-04-14 16:06:41,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:41,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:41,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 16:06:41,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-04-14 16:06:41,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [725936365] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:41,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:41,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 16:06:41,252 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:41,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2025-04-14 16:06:41,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:41,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-04-14 16:06:41,294 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:41,294 INFO L85 PathProgramCache]: Analyzing trace with hash 2132677736, now seen corresponding path program 1 times [2025-04-14 16:06:41,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:41,294 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608529792] [2025-04-14 16:06:41,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:41,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:41,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-04-14 16:06:41,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-04-14 16:06:41,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:41,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 293 proven. 16 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-04-14 16:06:41,643 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:41,643 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608529792] [2025-04-14 16:06:41,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608529792] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:41,643 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [609231724] [2025-04-14 16:06:41,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:41,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:41,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-04-14 16:06:41,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-04-14 16:06:41,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:41,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:41,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 16:06:41,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:42,022 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 306 proven. 3 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-04-14 16:06:42,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [609231724] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:42,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:42,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-04-14 16:06:42,022 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:42,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 262 [2025-04-14 16:06:42,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:42,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 268 [2025-04-14 16:06:42,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:42,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 270 [2025-04-14 16:06:42,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:42,023 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 272 [2025-04-14 16:06:42,023 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:42,023 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:06:42,023 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:42,023 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:42,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1314372768, now seen corresponding path program 4 times [2025-04-14 16:06:42,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:42,023 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138396870] [2025-04-14 16:06:42,023 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:06:42,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:42,040 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 276 statements into 2 equivalence classes. [2025-04-14 16:06:42,068 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 276 of 276 statements. [2025-04-14 16:06:42,068 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:06:42,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:42,387 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 421 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-04-14 16:06:42,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:42,388 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138396870] [2025-04-14 16:06:42,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138396870] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:42,388 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181061668] [2025-04-14 16:06:42,388 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:06:42,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:42,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:42,390 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:06:42,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-14 16:06:42,474 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 276 statements into 2 equivalence classes. [2025-04-14 16:06:42,547 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 276 of 276 statements. [2025-04-14 16:06:42,548 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:06:42,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:42,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-04-14 16:06:42,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:43,562 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 520 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-04-14 16:06:43,562 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:06:44,349 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 472 proven. 51 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-04-14 16:06:44,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181061668] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:06:44,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:06:44,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 23, 23] total 52 [2025-04-14 16:06:44,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415419878] [2025-04-14 16:06:44,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:06:44,350 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-04-14 16:06:44,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:44,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-04-14 16:06:44,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=840, Invalid=1812, Unknown=0, NotChecked=0, Total=2652 [2025-04-14 16:06:44,352 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:44,352 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:44,352 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 12.384615384615385) internal successors, (644), 52 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:44,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:44,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:44,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:44,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:44,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:44,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-14 16:06:45,024 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2025-04-14 16:06:45,025 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:45,025 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:45,025 INFO L139 ounterexampleChecker]: Examining path program with hash 2055979724, occurence #1 [2025-04-14 16:06:45,025 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:45,025 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:45,026 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:45,026 INFO L85 PathProgramCache]: Analyzing trace with hash -737263190, now seen corresponding path program 5 times [2025-04-14 16:06:45,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:45,026 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064352467] [2025-04-14 16:06:45,026 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:06:45,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:45,043 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 304 statements into 9 equivalence classes. [2025-04-14 16:06:45,090 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 194 of 304 statements. [2025-04-14 16:06:45,090 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 16:06:45,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2025-04-14 16:06:45,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:45,129 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064352467] [2025-04-14 16:06:45,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064352467] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:45,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:45,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:06:45,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905519581] [2025-04-14 16:06:45,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:45,129 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:06:45,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:45,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:06:45,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:06:45,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:45,130 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:45,130 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:45,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:45,131 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:45,221 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:45,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,222 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-04-14 16:06:45,222 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:45,222 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:45,223 INFO L139 ounterexampleChecker]: Examining path program with hash -1025382095, occurence #1 [2025-04-14 16:06:45,223 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:45,223 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:45,223 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:45,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1311281482, now seen corresponding path program 6 times [2025-04-14 16:06:45,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:45,223 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621244527] [2025-04-14 16:06:45,223 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:06:45,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:45,234 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 183 statements into 7 equivalence classes. [2025-04-14 16:06:45,255 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 73 of 183 statements. [2025-04-14 16:06:45,255 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-14 16:06:45,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:45,354 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2025-04-14 16:06:45,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:45,354 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621244527] [2025-04-14 16:06:45,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621244527] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:45,354 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433858858] [2025-04-14 16:06:45,354 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:06:45,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:45,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:45,356 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:06:45,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-14 16:06:45,431 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 183 statements into 7 equivalence classes. [2025-04-14 16:06:45,466 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 73 of 183 statements. [2025-04-14 16:06:45,466 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-14 16:06:45,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:45,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 16:06:45,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2025-04-14 16:06:45,603 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:06:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2025-04-14 16:06:45,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433858858] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:06:45,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:06:45,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 13 [2025-04-14 16:06:45,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347891326] [2025-04-14 16:06:45,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:06:45,865 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-14 16:06:45,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:45,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-14 16:06:45,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2025-04-14 16:06:45,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:45,866 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:45,866 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.923076923076923) internal successors, (142), 13 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:45,866 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:46,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:46,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:46,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:46,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:46,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:46,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:46,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:46,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:46,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:46,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:46,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:46,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:46,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:46,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:46,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:46,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:46,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:46,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:46,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:46,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-14 16:06:46,328 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:46,329 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:46,329 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:46,329 INFO L139 ounterexampleChecker]: Examining path program with hash -1025382095, occurence #2 [2025-04-14 16:06:46,329 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:06:46,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 16:06:46,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:46,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 16:06:46,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:46,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 16:06:46,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:46,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 16:06:46,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:46,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 16:06:46,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:46,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 16:06:46,368 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:46,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1174185090, now seen corresponding path program 1 times [2025-04-14 16:06:46,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:46,369 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520136296] [2025-04-14 16:06:46,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:46,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:46,376 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-04-14 16:06:46,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-14 16:06:46,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:46,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:46,422 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:46,422 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:46,422 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 16:06:46,461 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:46,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1075140281, now seen corresponding path program 1 times [2025-04-14 16:06:46,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:46,461 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140070089] [2025-04-14 16:06:46,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:46,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:46,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-14 16:06:46,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-14 16:06:46,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:46,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:46,515 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:46,516 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:46,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-14 16:06:46,570 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:46,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1927450230, now seen corresponding path program 1 times [2025-04-14 16:06:46,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:46,570 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651837106] [2025-04-14 16:06:46,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:46,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:46,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-04-14 16:06:46,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-04-14 16:06:46,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:46,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:46,628 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:46,629 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:46,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 16:06:46,629 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:46,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-14 16:06:46,666 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:46,666 INFO L85 PathProgramCache]: Analyzing trace with hash 462632597, now seen corresponding path program 1 times [2025-04-14 16:06:46,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:46,666 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165642425] [2025-04-14 16:06:46,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:46,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:46,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-04-14 16:06:46,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-04-14 16:06:46,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:46,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:47,032 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 55 proven. 73 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-04-14 16:06:47,032 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 16:06:47,032 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165642425] [2025-04-14 16:06:47,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165642425] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:47,032 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [507024448] [2025-04-14 16:06:47,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:47,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:47,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-04-14 16:06:47,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-04-14 16:06:47,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:47,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:47,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 16:06:47,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:47,552 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 66 proven. 62 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-04-14 16:06:47,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [507024448] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:47,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 16:06:47,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2025-04-14 16:06:47,552 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 16:06:47,552 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-14 16:06:47,553 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:47,553 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2025-04-14 16:06:47,553 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:47,553 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 176 [2025-04-14 16:06:47,553 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:47,553 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2025-04-14 16:06:47,553 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:47,553 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-14 16:06:47,553 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:47,553 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:06:47,553 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:47,553 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:47,553 INFO L85 PathProgramCache]: Analyzing trace with hash 2019818748, now seen corresponding path program 7 times [2025-04-14 16:06:47,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:47,553 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142815682] [2025-04-14 16:06:47,553 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:06:47,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:47,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-04-14 16:06:47,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-04-14 16:06:47,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:47,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:47,987 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 43 proven. 75 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-04-14 16:06:47,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:47,987 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142815682] [2025-04-14 16:06:47,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142815682] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:47,987 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822639373] [2025-04-14 16:06:47,987 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:06:47,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:47,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:47,989 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 16:06:47,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-14 16:06:48,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-04-14 16:06:48,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-04-14 16:06:48,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:48,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:48,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-14 16:06:48,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-04-14 16:06:48,189 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 16:06:48,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822639373] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:48,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 16:06:48,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 18 [2025-04-14 16:06:48,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727821184] [2025-04-14 16:06:48,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:48,189 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 16:06:48,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:48,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 16:06:48,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2025-04-14 16:06:48,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:48,190 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:48,190 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:48,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:48,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:48,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:48,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:48,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:48,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:48,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:48,381 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:48,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-14 16:06:48,587 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:48,587 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:48,587 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:48,587 INFO L139 ounterexampleChecker]: Examining path program with hash -1677988038, occurence #1 [2025-04-14 16:06:48,587 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:48,587 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:48,588 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:48,588 INFO L85 PathProgramCache]: Analyzing trace with hash -851560582, now seen corresponding path program 8 times [2025-04-14 16:06:48,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:48,588 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131183756] [2025-04-14 16:06:48,588 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:06:48,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:48,603 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-04-14 16:06:48,620 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-04-14 16:06:48,620 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:06:48,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-04-14 16:06:48,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:48,650 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131183756] [2025-04-14 16:06:48,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131183756] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:48,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:48,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:06:48,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048322071] [2025-04-14 16:06:48,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:48,651 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:06:48,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:48,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:06:48,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:06:48,652 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:48,652 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:48,652 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:48,697 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:48,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:48,698 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-04-14 16:06:48,698 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:48,698 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:48,698 INFO L139 ounterexampleChecker]: Examining path program with hash 188803474, occurence #1 [2025-04-14 16:06:48,699 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:48,699 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:48,699 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:48,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1967633213, now seen corresponding path program 9 times [2025-04-14 16:06:48,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:48,699 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968368650] [2025-04-14 16:06:48,699 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:06:48,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:48,709 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 127 statements into 7 equivalence classes. [2025-04-14 16:06:48,753 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 98 of 127 statements. [2025-04-14 16:06:48,753 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 16:06:48,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:48,870 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-04-14 16:06:48,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:48,870 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968368650] [2025-04-14 16:06:48,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968368650] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:48,870 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699654503] [2025-04-14 16:06:48,870 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:06:48,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:48,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:48,872 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 16:06:48,896 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 16:06:48,983 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 127 statements into 7 equivalence classes. [2025-04-14 16:06:49,055 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 98 of 127 statements. [2025-04-14 16:06:49,055 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 16:06:49,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:49,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 16:06:49,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:49,229 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-04-14 16:06:49,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:06:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-04-14 16:06:49,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699654503] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:06:49,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:06:49,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2025-04-14 16:06:49,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490531515] [2025-04-14 16:06:49,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:06:49,413 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-14 16:06:49,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:49,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-14 16:06:49,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2025-04-14 16:06:49,414 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:49,414 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:49,414 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.6875) internal successors, (155), 16 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,414 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:49,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,629 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:49,629 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:49,629 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:49,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:49,639 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 16:06:49,830 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,SelfDestructingSolverStorable42 [2025-04-14 16:06:49,830 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:49,831 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:49,831 INFO L139 ounterexampleChecker]: Examining path program with hash 188803474, occurence #2 [2025-04-14 16:06:49,831 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:06:49,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 16:06:49,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:49,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:06:49,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:49,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 16:06:49,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:49,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 16:06:49,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:49,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 16:06:49,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:49,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 16:06:49,868 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:49,868 INFO L85 PathProgramCache]: Analyzing trace with hash 423252322, now seen corresponding path program 1 times [2025-04-14 16:06:49,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:49,868 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370832993] [2025-04-14 16:06:49,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:49,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:49,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-14 16:06:49,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-14 16:06:49,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:49,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:49,888 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:49,888 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:49,889 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 16:06:49,927 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:49,927 INFO L85 PathProgramCache]: Analyzing trace with hash 963277977, now seen corresponding path program 1 times [2025-04-14 16:06:49,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:49,927 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036305828] [2025-04-14 16:06:49,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:49,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:49,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-14 16:06:49,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-14 16:06:49,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:49,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:49,972 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:49,972 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:49,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 16:06:50,012 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:50,012 INFO L85 PathProgramCache]: Analyzing trace with hash 62462270, now seen corresponding path program 1 times [2025-04-14 16:06:50,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:50,012 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113482372] [2025-04-14 16:06:50,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:50,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:50,021 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-04-14 16:06:50,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-04-14 16:06:50,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:50,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:50,059 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:50,059 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:50,059 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-04-14 16:06:50,094 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:50,094 INFO L85 PathProgramCache]: Analyzing trace with hash -609102, now seen corresponding path program 1 times [2025-04-14 16:06:50,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:50,094 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490098359] [2025-04-14 16:06:50,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:50,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:50,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-04-14 16:06:50,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-04-14 16:06:50,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:50,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:50,146 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:50,146 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:50,146 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 70 is hopeless, skipping. [2025-04-14 16:06:50,146 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 80 is hopeless, skipping. [2025-04-14 16:06:50,146 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 91 is hopeless, skipping. [2025-04-14 16:06:50,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-14 16:06:50,146 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:50,146 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 102 is hopeless, skipping. [2025-04-14 16:06:50,147 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 110 is hopeless, skipping. [2025-04-14 16:06:50,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-14 16:06:50,147 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:50,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-04-14 16:06:50,147 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:50,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-04-14 16:06:50,147 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:50,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2025-04-14 16:06:50,147 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:50,147 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:06:50,147 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:50,147 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:50,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1141847689, now seen corresponding path program 10 times [2025-04-14 16:06:50,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:50,147 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078607205] [2025-04-14 16:06:50,147 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:06:50,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:50,158 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 128 statements into 2 equivalence classes. [2025-04-14 16:06:50,170 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 128 of 128 statements. [2025-04-14 16:06:50,170 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:06:50,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 19 proven. 21 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-14 16:06:50,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:50,342 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078607205] [2025-04-14 16:06:50,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078607205] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:50,342 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832257357] [2025-04-14 16:06:50,342 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 16:06:50,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:50,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:50,344 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 16:06:50,345 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 16:06:50,437 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 128 statements into 2 equivalence classes. [2025-04-14 16:06:50,485 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 128 of 128 statements. [2025-04-14 16:06:50,485 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 16:06:50,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:50,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 16:06:50,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:50,768 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-14 16:06:50,768 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:06:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 38 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-14 16:06:50,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832257357] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:06:50,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:06:50,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2025-04-14 16:06:50,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746061422] [2025-04-14 16:06:50,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:06:50,976 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-14 16:06:50,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:50,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-14 16:06:50,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2025-04-14 16:06:50,977 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:50,977 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:50,977 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.833333333333334) internal successors, (213), 18 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:50,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:50,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:50,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:50,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:50,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:50,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:50,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:50,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:50,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:50,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:50,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:50,977 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:50,978 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:50,978 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:50,978 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:50,978 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:50,978 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:50,978 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:50,978 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:50,978 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:50,978 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:50,978 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:50,978 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:51,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:51,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:51,137 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 16:06:51,331 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47 [2025-04-14 16:06:51,332 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:51,332 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:51,332 INFO L139 ounterexampleChecker]: Examining path program with hash 188803474, occurence #3 [2025-04-14 16:06:51,332 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 16:06:51,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 16:06:51,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:51,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 16:06:51,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:51,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 16:06:51,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:51,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 16:06:51,332 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:51,332 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 16:06:51,333 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:51,333 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 16:06:51,367 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:51,367 INFO L85 PathProgramCache]: Analyzing trace with hash -563179164, now seen corresponding path program 1 times [2025-04-14 16:06:51,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:51,367 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189866488] [2025-04-14 16:06:51,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:51,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:51,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-14 16:06:51,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-14 16:06:51,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:51,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:51,392 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:51,392 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:51,392 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 16:06:51,429 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:51,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1767880987, now seen corresponding path program 1 times [2025-04-14 16:06:51,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:51,430 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771587896] [2025-04-14 16:06:51,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:51,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:51,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-04-14 16:06:51,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-04-14 16:06:51,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:51,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:51,454 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:51,455 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:51,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 16:06:51,492 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:51,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1953730324, now seen corresponding path program 1 times [2025-04-14 16:06:51,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:51,492 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618199023] [2025-04-14 16:06:51,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:51,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:51,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-04-14 16:06:51,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-04-14 16:06:51,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:51,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:51,531 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:51,531 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:51,531 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-14 16:06:51,566 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:51,566 INFO L85 PathProgramCache]: Analyzing trace with hash -105014092, now seen corresponding path program 1 times [2025-04-14 16:06:51,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 16:06:51,567 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118896466] [2025-04-14 16:06:51,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 16:06:51,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:51,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-14 16:06:51,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-14 16:06:51,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:51,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 16:06:51,655 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 16:06:51,656 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 16:06:51,656 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 71 is hopeless, skipping. [2025-04-14 16:06:51,656 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 81 is hopeless, skipping. [2025-04-14 16:06:51,656 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 92 is hopeless, skipping. [2025-04-14 16:06:51,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 16:06:51,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:51,656 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 103 is hopeless, skipping. [2025-04-14 16:06:51,656 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 111 is hopeless, skipping. [2025-04-14 16:06:51,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 16:06:51,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:51,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-04-14 16:06:51,657 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:51,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-04-14 16:06:51,657 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 16:06:51,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-14 16:06:51,657 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 16:06:51,657 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 16:06:51,657 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:51,657 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:51,657 INFO L85 PathProgramCache]: Analyzing trace with hash 409702465, now seen corresponding path program 11 times [2025-04-14 16:06:51,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:51,657 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622614393] [2025-04-14 16:06:51,657 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:06:51,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:51,669 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 129 statements into 7 equivalence classes. [2025-04-14 16:06:51,714 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 129 of 129 statements. [2025-04-14 16:06:51,714 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-14 16:06:51,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:53,017 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 5 proven. 60 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-04-14 16:06:53,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:53,018 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622614393] [2025-04-14 16:06:53,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622614393] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:53,018 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462679863] [2025-04-14 16:06:53,018 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 16:06:53,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:53,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:53,034 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 16:06:53,047 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 16:06:53,145 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 129 statements into 7 equivalence classes. [2025-04-14 16:06:53,429 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 129 of 129 statements. [2025-04-14 16:06:53,430 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-14 16:06:53,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:53,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-14 16:06:53,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:53,659 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-04-14 16:06:53,659 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:06:53,724 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-14 16:06:53,725 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2025-04-14 16:06:53,857 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-04-14 16:06:53,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462679863] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:06:53,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:06:53,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8, 6] total 27 [2025-04-14 16:06:53,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891504416] [2025-04-14 16:06:53,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:06:53,858 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-04-14 16:06:53,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:53,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-04-14 16:06:53,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=639, Unknown=0, NotChecked=0, Total=756 [2025-04-14 16:06:53,859 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:53,859 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:53,859 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.928571428571429) internal successors, (194), 27 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:53,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:53,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:53,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:53,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:53,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:53,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:53,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:53,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:53,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:53,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:53,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:53,859 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:53,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:53,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:53,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:53,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:53,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:53,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:53,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:53,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:53,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:53,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:53,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:53,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:54,779 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:54,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:06:54,788 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 16:06:54,981 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,SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2025-04-14 16:06:54,981 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:54,981 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:54,981 INFO L139 ounterexampleChecker]: Examining path program with hash -1408394642, occurence #1 [2025-04-14 16:06:54,981 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:54,982 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:54,982 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:54,982 INFO L85 PathProgramCache]: Analyzing trace with hash 439617079, now seen corresponding path program 12 times [2025-04-14 16:06:54,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:54,982 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059965360] [2025-04-14 16:06:54,982 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 16:06:54,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:54,996 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 195 statements into 7 equivalence classes. [2025-04-14 16:06:55,031 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 151 of 195 statements. [2025-04-14 16:06:55,032 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 16:06:55,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2025-04-14 16:06:55,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:55,065 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059965360] [2025-04-14 16:06:55,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059965360] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:06:55,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:06:55,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 16:06:55,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576722368] [2025-04-14 16:06:55,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:06:55,065 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 16:06:55,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:55,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 16:06:55,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 16:06:55,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:55,066 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:55,066 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:55,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:55,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:55,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:55,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:55,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:55,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:55,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:55,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:55,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:55,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:55,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:55,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:55,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:06:55,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:55,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:55,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:55,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:06:55,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:55,147 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2025-04-14 16:06:55,147 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:55,147 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:55,147 INFO L139 ounterexampleChecker]: Examining path program with hash -7983899, occurence #1 [2025-04-14 16:06:55,147 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:55,148 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:55,148 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:55,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1009088984, now seen corresponding path program 13 times [2025-04-14 16:06:55,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:55,148 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452336802] [2025-04-14 16:06:55,148 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:06:55,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:55,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-04-14 16:06:55,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-04-14 16:06:55,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:55,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:56,059 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-04-14 16:06:56,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:56,060 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452336802] [2025-04-14 16:06:56,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452336802] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:56,060 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311854246] [2025-04-14 16:06:56,060 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 16:06:56,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:56,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:56,063 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 16:06:56,065 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 16:06:56,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-04-14 16:06:56,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-04-14 16:06:56,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 16:06:56,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:56,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-14 16:06:56,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:56,683 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 35 proven. 7 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-04-14 16:06:56,683 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:06:56,754 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-14 16:06:56,754 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2025-04-14 16:06:57,283 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 1 proven. 41 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-04-14 16:06:57,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311854246] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:06:57,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:06:57,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 32 [2025-04-14 16:06:57,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726701694] [2025-04-14 16:06:57,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:06:57,284 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-04-14 16:06:57,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:57,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-04-14 16:06:57,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=833, Unknown=0, NotChecked=0, Total=992 [2025-04-14 16:06:57,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:57,285 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:57,285 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 7.8125) internal successors, (250), 32 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:57,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:57,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:57,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:57,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:57,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:57,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:57,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:57,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:57,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:57,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:57,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:57,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:57,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:57,286 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:57,286 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:57,286 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:57,286 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:57,286 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:57,286 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:57,286 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:57,286 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:57,286 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:57,286 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:57,286 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:06:57,286 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:57,286 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:58,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:06:58,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:58,250 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:06:58,258 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 16:06:58,450 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,SelfDestructingSolverStorable54 [2025-04-14 16:06:58,450 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:58,450 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:58,450 INFO L139 ounterexampleChecker]: Examining path program with hash -1836188871, occurence #1 [2025-04-14 16:06:58,451 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:58,451 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:58,451 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:58,451 INFO L85 PathProgramCache]: Analyzing trace with hash -868550498, now seen corresponding path program 14 times [2025-04-14 16:06:58,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:58,451 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707825424] [2025-04-14 16:06:58,451 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:06:58,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:58,461 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-04-14 16:06:58,507 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-04-14 16:06:58,507 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:06:58,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:58,787 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-04-14 16:06:58,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:06:58,788 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707825424] [2025-04-14 16:06:58,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707825424] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 16:06:58,788 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349033208] [2025-04-14 16:06:58,788 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 16:06:58,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 16:06:58,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 16:06:58,790 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 16:06:58,791 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 16:06:58,893 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-04-14 16:06:58,946 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-04-14 16:06:58,946 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 16:06:58,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:06:58,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 16:06:58,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 16:06:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-04-14 16:06:59,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 16:06:59,123 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-14 16:06:59,123 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2025-04-14 16:06:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-04-14 16:06:59,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349033208] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 16:06:59,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 16:06:59,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 7] total 13 [2025-04-14 16:06:59,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27750507] [2025-04-14 16:06:59,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 16:06:59,241 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-04-14 16:06:59,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:06:59,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-04-14 16:06:59,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-04-14 16:06:59,242 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:59,242 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:06:59,242 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 13 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:59,242 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:59,243 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:06:59,243 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,243 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:06:59,243 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:59,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:06:59,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:59,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:06:59,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:59,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:59,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:59,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:06:59,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:06:59,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:06:59,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:06:59,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:59,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:06:59,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:06:59,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:06:59,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:06:59,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:06:59,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-14 16:06:59,795 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,SelfDestructingSolverStorable55 [2025-04-14 16:06:59,796 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-14 16:06:59,796 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 16:06:59,796 INFO L139 ounterexampleChecker]: Examining path program with hash -1188019180, occurence #1 [2025-04-14 16:06:59,796 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 16:06:59,796 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 16:06:59,796 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 16:06:59,796 INFO L85 PathProgramCache]: Analyzing trace with hash -452752074, now seen corresponding path program 15 times [2025-04-14 16:06:59,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 16:06:59,796 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145299179] [2025-04-14 16:06:59,796 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 16:06:59,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 16:06:59,806 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 100 statements into 7 equivalence classes. [2025-04-14 16:06:59,871 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 95 of 100 statements. [2025-04-14 16:06:59,871 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 16:06:59,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 16:07:00,126 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2025-04-14 16:07:00,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 16:07:00,127 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145299179] [2025-04-14 16:07:00,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145299179] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 16:07:00,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 16:07:00,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-14 16:07:00,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626127661] [2025-04-14 16:07:00,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 16:07:00,127 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 16:07:00,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 16:07:00,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 16:07:00,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-04-14 16:07:00,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:00,127 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 16:07:00,128 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 16:07:00,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:14,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 16:07:14,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:14,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:14,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:14,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:14,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:14,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 16:07:14,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 16:07:14,780 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-04-14 16:07:14,781 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-04-14 16:07:14,781 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-04-14 16:07:14,781 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-04-14 16:07:14,781 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2025-04-14 16:07:14,785 INFO L422 BasicCegarLoop]: Path program histogram: [15, 6, 2, 2, 1] [2025-04-14 16:07:14,787 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 16:07:14,787 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 16:07:14,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-14 16:07:14,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 04:07:14 BasicIcfg [2025-04-14 16:07:14,795 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 16:07:14,796 INFO L158 Benchmark]: Toolchain (without parser) took 44824.19ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 99.5MB in the beginning and 947.2MB in the end (delta: -847.6MB). Peak memory consumption was 602.7MB. Max. memory is 8.0GB. [2025-04-14 16:07:14,796 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 16:07:14,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.03ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 82.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-04-14 16:07:14,797 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.92ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 80.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 16:07:14,797 INFO L158 Benchmark]: Boogie Preprocessor took 23.57ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 78.6MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 16:07:14,797 INFO L158 Benchmark]: IcfgBuilder took 702.31ms. Allocated memory is still 142.6MB. Free memory was 78.6MB in the beginning and 65.8MB in the end (delta: 12.8MB). Peak memory consumption was 61.1MB. Max. memory is 8.0GB. [2025-04-14 16:07:14,797 INFO L158 Benchmark]: TraceAbstraction took 43756.38ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 65.8MB in the beginning and 947.2MB in the end (delta: -881.3MB). Peak memory consumption was 571.0MB. Max. memory is 8.0GB. [2025-04-14 16:07:14,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 295.03ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 82.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.92ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 80.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 23.57ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 78.6MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * IcfgBuilder took 702.31ms. Allocated memory is still 142.6MB. Free memory was 78.6MB in the beginning and 65.8MB in the end (delta: 12.8MB). Peak memory consumption was 61.1MB. Max. memory is 8.0GB. * TraceAbstraction took 43756.38ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 65.8MB in the beginning and 947.2MB in the end (delta: -881.3MB). Peak memory consumption was 571.0MB. 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: 777738, independent: 646632, independent conditional: 643612, independent unconditional: 3020, dependent: 131106, dependent conditional: 131083, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 651044, independent: 646632, independent conditional: 643612, independent unconditional: 3020, dependent: 4412, dependent conditional: 4389, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 651044, independent: 646632, independent conditional: 643612, independent unconditional: 3020, dependent: 4412, dependent conditional: 4389, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 719269, independent: 646632, independent conditional: 643612, independent unconditional: 3020, dependent: 72637, dependent conditional: 72614, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 719269, independent: 646632, independent conditional: 1137, independent unconditional: 645495, dependent: 72637, dependent conditional: 20394, dependent unconditional: 52243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 719269, independent: 646632, independent conditional: 1137, independent unconditional: 645495, dependent: 72637, dependent conditional: 20394, dependent unconditional: 52243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1945, independent: 1817, independent conditional: 40, independent unconditional: 1777, dependent: 128, dependent conditional: 105, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1945, independent: 1770, independent conditional: 0, independent unconditional: 1770, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 175, independent: 47, independent conditional: 40, independent unconditional: 7, dependent: 128, dependent conditional: 105, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 175, independent: 47, independent conditional: 40, independent unconditional: 7, dependent: 128, dependent conditional: 105, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4895, independent: 1321, independent conditional: 1069, independent unconditional: 252, dependent: 3574, dependent conditional: 2719, dependent unconditional: 855, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 26, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 719269, independent: 644815, independent conditional: 1097, independent unconditional: 643718, dependent: 72509, dependent conditional: 20289, dependent unconditional: 52220, unknown: 1945, unknown conditional: 145, unknown unconditional: 1800] , Statistics on independence cache: Total cache size (in pairs): 1971, Positive cache size: 1843, Positive conditional cache size: 66, Positive unconditional cache size: 1777, Negative cache size: 128, Negative conditional cache size: 105, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 694695, Maximal queried relation: 20, Independence queries for same thread: 126694, Persistent sets #1 benchmarks: Persistent set computation time: 1.2s, Number of persistent set computation: 1107, Number of trivial persistent sets: 925, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3043, independent: 3020, independent conditional: 0, independent unconditional: 3020, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 777738, independent: 646632, independent conditional: 643612, independent unconditional: 3020, dependent: 131106, dependent conditional: 131083, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 651044, independent: 646632, independent conditional: 643612, independent unconditional: 3020, dependent: 4412, dependent conditional: 4389, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 651044, independent: 646632, independent conditional: 643612, independent unconditional: 3020, dependent: 4412, dependent conditional: 4389, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 719269, independent: 646632, independent conditional: 643612, independent unconditional: 3020, dependent: 72637, dependent conditional: 72614, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 719269, independent: 646632, independent conditional: 1137, independent unconditional: 645495, dependent: 72637, dependent conditional: 20394, dependent unconditional: 52243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 719269, independent: 646632, independent conditional: 1137, independent unconditional: 645495, dependent: 72637, dependent conditional: 20394, dependent unconditional: 52243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1945, independent: 1817, independent conditional: 40, independent unconditional: 1777, dependent: 128, dependent conditional: 105, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1945, independent: 1770, independent conditional: 0, independent unconditional: 1770, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 175, independent: 47, independent conditional: 40, independent unconditional: 7, dependent: 128, dependent conditional: 105, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 175, independent: 47, independent conditional: 40, independent unconditional: 7, dependent: 128, dependent conditional: 105, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4895, independent: 1321, independent conditional: 1069, independent unconditional: 252, dependent: 3574, dependent conditional: 2719, dependent unconditional: 855, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 26, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 719269, independent: 644815, independent conditional: 1097, independent unconditional: 643718, dependent: 72509, dependent conditional: 20289, dependent unconditional: 52220, unknown: 1945, unknown conditional: 145, unknown unconditional: 1800] , Statistics on independence cache: Total cache size (in pairs): 1971, Positive cache size: 1843, Positive conditional cache size: 66, Positive unconditional cache size: 1777, Negative cache size: 128, Negative conditional cache size: 105, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 694695, Maximal queried relation: 20, Independence queries for same thread: 126694 - PositiveResult [Line: 162]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 76 locations, 106 edges, 4 error locations. Started 1 CEGAR loops. OverallTime: 43.6s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 15, EmptinessCheckTime: 21.6s, 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: 296, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 6345 NumberOfCodeBlocks, 5033 NumberOfCodeBlocksAsserted, 86 NumberOfCheckSat, 7873 ConstructedInterpolants, 1 QuantifiedInterpolants, 28556 SizeOfPredicates, 50 NumberOfNonLiveVariables, 6329 ConjunctsInSsa, 159 ConjunctsInUnsatCore, 46 InterpolantComputations, 17 PerfectInterpolantSequences, 8623/9190 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 2, ConComChecker Statistics: CheckTime [ms]: 5161, ConditionCalculationTime [ms]: 1128, ConditionCalculations: 95, QuantifiedConditions: 0, TraceChecks: 26, UnknownTraceChecks: 0, UnsatisfiedConditions: 19, ImperfectProofs: 5 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-14 16:07:14,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...